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High strength, heat-resistant aluminum-based alloys
Assignee: MASUMOTO TSUYOSHI (1/3)
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Filing: 1989-04-28
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Granted: 1991-10-01
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Expires: 2009-04-28
Abstract
Abstract The present invention provides high strength, heat resistant aluminum-based alloys having a composition represented by the general formula, Al a M b X c wherein: M is at least one metal element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Ti, Mo, W, Ca, Li, Mg, and Si; X is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb, Ta and Mm (misch metal); and a, b and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b≦35 and 0.5≦c≦25, the aluminum-based alloy being in an amorphous state, microcrystalline state or a composite state thereof. The aluminum-based alloys possess an advantageous combination of properties of high strength, heat resistance, superior ductility and good processability which make them suitable for various applications.
Inventors
- 👤 Tsuyoshi Masumoto
- 👤 Akihisa Inoe
- 👤 Katsumasa Odera
- 👤 Masahiro Oguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:17
CPC Classifications
C; C22; C22C; C22C21/00; C22C45/00; C22C45/08
Claims Analysis
Total Claims: 62
Claim 1
Independent Claim
115 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.dl M.sub.2d2 M.sub.3d3 Mm.sub.c' X".sub.C" wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X" is at least one metal element selected from the group consisting of Y, Ta, Nb and Hf; and a, d1, d2, d3, c' and c" are atomic percentages falling within the following ranges: 5≦ a≦95, 0.5≦b=d1+d2+d3≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 2
Dependent Claim
115 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.dl M.sub.2d2 M.sub.3d3 Mm.sub.c' X".sub.C" wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X" is at least one metal element selected from the group consisting of Y, Ta, Nb and Hf; and a, d1, d2, d3, c' and c" are atomic percentages falling within the following ranges: 5≦ a≦95, 0.5≦b=d1+d2+d3≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 3
Dependent Claim
47 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b Mm.sub.c wherein: a, b and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5 ≦b≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 4
Dependent Claim
47 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b Mm.sub.c wherein: a, b and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5 ≦b≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 5
Dependent Claim
69 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b Mm.sub.c' X".sub.c" wherein : X" is at least one metal element selected from the group consisting of Y, Hf, Nb and Ta; and a, b, c' and c" are atomic percentages falling within the following ranges: 50≦a≦95, 0.5 ≦b≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 6
Dependent Claim
69 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b Mm.sub.c' X".sub.c" wherein : X" is at least one metal element selected from the group consisting of Y, Hf, Nb and Ta; and a, b, c' and c" are atomic percentages falling within the following ranges: 50≦a≦95, 0.5 ≦b≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 7
Dependent Claim
46 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a3 Fe.sub.b3 Ce.sub.c3 wherein: a3, b3 and c3 are atomic percentages falling within the following ranges: 66≦a3≦95, 0.5≦b3≦9 and 2.5≦c3≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 8
Dependent Claim
46 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a3 Fe.sub.b3 Ce.sub.c3 wherein: a3, b3 and c3 are atomic percentages falling within the following ranges: 66≦a3≦95, 0.5≦b3≦9 and 2.5≦c3≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 9
Dependent Claim
47 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a4 Fe.sub.b4 Ce.sub.c4 wherein: a4, b4 and c4 are atomic percentages falling within the following ranges: 5≦ a4≦90.5, 9≦b4≦35 and 0.5≦c4≦25 wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 10
Dependent Claim
47 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a4 Fe.sub.b4 Ce.sub.c4 wherein: a4, b4 and c4 are atomic percentages falling within the following ranges: 5≦ a4≦90.5, 9≦b4≦35 and 0.5≦c4≦25 wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 11
Dependent Claim
48 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a9 Fe.sub.b9 Ce.sub.e1 Y.sub.e2 wherein: a9, b9, e1 and e2 are atomic percentages falling within the following ranges: 66≦a9≦95, 0.5≦b9≦9 and 3.5≦e1+e2≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 12
Dependent Claim
48 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a9 Fe.sub.b9 Ce.sub.e1 Y.sub.e2 wherein: a9, b9, e1 and e2 are atomic percentages falling within the following ranges: 66≦a9≦95, 0.5≦b9≦9 and 3.5≦e1+e2≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 13
Dependent Claim
47 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a10 Fe.sub.b10 Ce.sub.e'1 Y.sub.e'2 wherein: a10, b10, e'1 and e'2 are atomic percentages falling within the following ranges: 50≦a10≦90.5,9≦b10≦35 and 0.5≦e'1+e'2≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 14
Dependent Claim
47 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a10 Fe.sub.b10 Ce.sub.e'1 Y.sub.e'2 wherein: a10, b10, e'1 and e'2 are atomic percentages falling within the following ranges: 50≦a10≦90.5,9≦b10≦35 and 0.5≦e'1+e'2≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 15
Dependent Claim
72 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.2b" Mm.sub.c wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a, b', b" and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 16
Dependent Claim
72 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.2b" Mm.sub.c wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a, b', b" and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 17
Dependent Claim
90 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.2b" Mm.sub.c' X".sub.c" wherein: is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; X" is at least one metal element selected from the group consisting of Y, Ta, Hf, and Nb; and a, b', b", c' and c" are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 18
Dependent Claim
90 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.2b" Mm.sub.c' X".sub.c" wherein: is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; X" is at least one metal element selected from the group consisting of Y, Ta, Hf, and Nb; and a, b', b", c' and c" are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 19
Dependent Claim
92 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.3b" x.sub.2c wherein: M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X 2 is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb, and Ta; and a, b', b" and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 20
Dependent Claim
92 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.3b" x.sub.2c wherein: M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X 2 is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb, and Ta; and a, b', b" and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 21
Dependent Claim
69 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.3b" Mm.sub.c wherein: M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; and a, b', b" and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 22
Dependent Claim
69 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.3b" Mm.sub.c wherein: M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; and a, b', b" and c are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 23
Dependent Claim
89 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.3b" Mm.sub.c' X".sub.c" wherein: M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X" is at least one metal element selected from the group consisting of Y, Ta, Nb and Hf; and a, b', b", c' and c" are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 24
Dependent Claim
89 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.b' M.sub.3b" Mm.sub.c' X".sub.c" wherein: M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X" is at least one metal element selected from the group consisting of Y, Ta, Nb and Hf; and a, b', b", c' and c" are atomic percentages falling within the following ranges: 50≦a≦95, 0.5≦b=b'+b"≦35 and 0.5≦c=c'+c"≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 25
Dependent Claim
72 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a5 Fe.sub.b'5 M.sub.2b"5 Y.sub.c5 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a5, b'5, b"5 and c5 are atomic percentages falling within the following ranges: 66.5≦a5≦95, 0.5≦b'5≦8.6,0<b"5≦34.5, and 3.5<c5≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 26
Dependent Claim
72 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a5 Fe.sub.b'5 M.sub.2b"5 Y.sub.c5 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a5, b'5, b"5 and c5 are atomic percentages falling within the following ranges: 66.5≦a5≦95, 0.5≦b'5≦8.6,0<b"5≦34.5, and 3.5<c5≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 27
Dependent Claim
73 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a6 Fe.sub.b'6 M.sub.2b"6 Y.sub.c6 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a6, b'6, b"6 and c6 are atomic percentages falling within the following ranges: 50≦a6≦91, 8.6<b'6<35, 0<b"6<26.5, and 0.5≦c6≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 28
Dependent Claim
73 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a6 Fe.sub.b'6 M.sub.2b"6 Y.sub.c6 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a6, b'6, b"6 and c6 are atomic percentages falling within the following ranges: 50≦a6≦91, 8.6<b'6<35, 0<b"6<26.5, and 0.5≦c6≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 29
Dependent Claim
73 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a7 Fe.sub.b'7 M.sub.2b"7 Ce.sub.c7 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, ti, Mo and Si; and a7, b'7, b"7 and c7 are atomic percentages falling within the following ranges: 66.5≦a7≦94, 0.5 ≦b'7≦8.6,0<b"7≦34.5, and 2.2<c7≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 30
Dependent Claim
73 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a7 Fe.sub.b'7 M.sub.2b"7 Ce.sub.c7 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, ti, Mo and Si; and a7, b'7, b"7 and c7 are atomic percentages falling within the following ranges: 66.5≦a7≦94, 0.5 ≦b'7≦8.6,0<b"7≦34.5, and 2.2<c7≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 31
Dependent Claim
72 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a8 Fe.sub.b'8 M.sub.2b"8 Ce.sub.c8 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and A8, b'8, b"8 and c8 are atomic percentages falling within the following ranges: 50≦a8<90.9, 8.6<b'8<35,0<b"8≦26.5 and 0.5≦c8≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 32
Dependent Claim
72 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a8 Fe.sub.b'8 M.sub.2b"8 Ce.sub.c8 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and A8, b'8, b"8 and c8 are atomic percentages falling within the following ranges: 50≦a8<90.9, 8.6<b'8<35,0<b"8≦26.5 and 0.5≦c8≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 33
Dependent Claim
59 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a11 Fe.sub.b11 M.sub.2b'11 Ce.sub.e3 Y.sub.e4 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a11, b11, b'11, e3 and e4 are atomic percentages falling within the following ranges:
Claim 34
Dependent Claim
59 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a11 Fe.sub.b11 M.sub.2b'11 Ce.sub.e3 Y.sub.e4 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a11, b11, b'11, e3 and e4 are atomic percentages falling within the following ranges:
Claim 35
Dependent Claim
15 words
5≦a11≦94, 0.5≦b11≦8.6,0<b'11≦34.5 and 3.5<e3+e4≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 36
Dependent Claim
15 words
5≦a11≦94, 0.5≦b11≦8.6,0<b'11≦34.5 and 3.5<e3+e4≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 37
Dependent Claim
73 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a12 Fe.sub.b12 M.sub.2b'12 Ce.sub.e'3 Y.sub.e'4 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a12, b12, b12', e'3 and e'4 are atomic percentages falling within the following ranges: 50≦a12<90.9,8.6<b12<35,0<b'12≦26.5 and 0.5≦e'3+e'4≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 38
Dependent Claim
73 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a12 Fe.sub.b12 M.sub.2b'12 Ce.sub.e'3 Y.sub.e'4 wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; and a12, b12, b12', e'3 and e'4 are atomic percentages falling within the following ranges: 50≦a12<90.9,8.6<b12<35,0<b'12≦26.5 and 0.5≦e'3+e'4≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 39
Dependent Claim
117 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.d1 M.sub.2d2 M.sub.3d3 X.sub.2c wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X 2 is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb and Ta; and a, d1, d2, d3 and c are atomic percentages falling within the following ranges: 5≦ a≦95,0.5≦b=d1+d2+d3≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 40
Dependent Claim
117 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.d1 M.sub.2d2 M.sub.3d3 X.sub.2c wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; X 2 is at least one metal element selected from the group consisting of Y, La, Ce, Sm, Nd, Hf, Nb and Ta; and a, d1, d2, d3 and c are atomic percentages falling within the following ranges: 5≦ a≦95,0.5≦b=d1+d2+d3≦35 and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 41
Dependent Claim
92 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.dl M.sub.2d2 M.sub.3d3 Mm.sub.c wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; and a, d1, d2, d3 and c are atomic percentages falling within the following ranges: 50≦a≦95,0.5≦b=d1+d2+d3≦35and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 42
Dependent Claim
92 words
A high strength, heat resistant aluminum-based alloy having a composition represented by the general formula: Al.sub.a Fe.sub.dl M.sub.2d2 M.sub.3d3 Mm.sub.c wherein: M 2 is at least one metal element selected from the group consisting of V, Cr, Co, Ni, Zr, Ti, Mo and Si; M 3 is at least one metal element selected from the group consisting of Mn, Cu, W, Ca and Li; and a, d1, d2, d3 and c are atomic percentages falling within the following ranges: 50≦a≦95,0.5≦b=d1+d2+d3≦35and 0.5≦c≦25, wherein said aluminum-based alloy is composed of a microcrystalline composite structure.
Claim 43
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 1, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 44
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 2, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 45
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 3, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 46
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 4, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 47
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 5, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 48
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 6, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 49
Dependent Claim
35 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 7, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline matrix phase and a stable or metasable intermetallic phase.
Claim 50
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 8, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 51
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 9, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 52
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 10, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrysalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 53
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 11, in which said microcrysalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 54
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 12, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 55
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 13, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 56
Dependent Claim
35 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 14, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline matrix phase and a stable or metastable intermetallic phase.
Claim 57
Dependent Claim
35 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 15, in which microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 58
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 16, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystlline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 59
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 17, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 60
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 18, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 61
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 19, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
Claim 62
Dependent Claim
36 words
A high-strength, heat resistant aluminum-based alloy as claimed in claim 20, in which said microcrystalline composite structure consists of an aluminum matrix solid solution, a microcrystalline aluminum matrix phase and a stable or metastable intermetallic phase.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-09-30 | 1995-04-01 | 1995-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-30 | 1999-04-01 | 1999-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-30 | 2003-04-01 | 2003-10-01 | $7700.00 | Window Closed / Lapsed |