US4874577A
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Wear-resistant intermetallic compound alloy having improved machineability
Assignee: Mitsubishi Metal Corp
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Filing: 1987-11-09
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Granted: 1989-10-17
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Expires: 2007-11-09
Abstract
Abstract Disclosed is a wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: 45-60% of either Ni or Co or both with cobalt content of at least 5%, at least one of 0.1-2% of Hf and 0.05-2% of Re, 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi, 0-2% of C, and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn, the balance being Ti and incidental impurities, the percent being atomic percent.
Inventors
- 👤 Saburo Wakita
- 👤 Junji Hoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:38
CPC Classifications
C; C22; C22C; C22C19/00
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 45-60% of Co or (ii) a Co and Ni content of 45-60% with the Co content being at least 5%; at least one of 0.1-2% of Hf and 0.05-2% of Re; 0.1-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 2
Dependent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 45-60% of Co or (ii) a Co and Ni content of 45-60% with the Co content being at least 5%; at least one of 0.1-2% of Hf and 0.05-2% of Re; 0.1-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 3
Dependent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 45-60% of Co or (ii) a Co and Ni content of 45-60% with the Co content being at least 5%; at least one of 0.1-2% of Hf and 0.05-2% of Re; 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0.05-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 4
Dependent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 45-60% of Co or (ii) a Co and Ni content of 45-60% with the Co content being at least 5%; at least one of 0.1-2% of Hf and 0.05-2% of Re; 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0.05-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 5
Dependent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 47-53% of Co or (ii) a Co and Ni content of 47-53% with the Co content being at least 5%; at least one or 0.1-2% of Hf and 0.05-2% of Re; 0.1-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 6
Dependent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 47-53% of Co or (ii) a Co and Ni content of 47-53% with the Co content being at least 5%; at least one or 0.1-2% of Hf and 0.05-2% of Re; 0.1-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 7
Dependent Claim
11 words
The alloy according to claim 3, which contains 0.05-2% of C.
Claim 8
Dependent Claim
30 words
The alloy according to claim 4 which contains 0.1-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn.
Claim 9
Dependent Claim
30 words
The alloy according to claim 4 which contains 0.1-3% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn.
Claim 10
Dependent Claim
23 words
The alloy according to claim 6 which contains a total of 47-53% nickel and cobalt with the cobalt content being at least 20%.
Claim 11
Dependent Claim
15 words
The alloy according to claim 6 which contains 47-53% cobalt and does not contain nickel.
Claim 12
Dependent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 47-53% of Co or (ii) a Co and Ni content of 47-53% with the Co content being at least 5%, at least one of 0.1-2% of Hf and 0.05-2% of Re; 0.2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0.05-2% of C; and 0.1-3% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 13
Dependent Claim
107 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: (i) 47-53% of Co or (ii) a Co and Ni content of 47-53% with the Co content being at least 5%, at least one of 0.1-2% of Hf and 0.05-2% of Re; 0.2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0.05-2% of C; and 0.1-3% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 14
Dependent Claim
33 words
The alloy according to claim 9 which contains 0.1-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi.
Claim 15
Dependent Claim
101 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: a Co and Ni content of 47-60% with the Co content being at least 20%; at least one if 0.1-2% of Hf and 0.05-2% of Re; 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 16
Dependent Claim
101 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: a Co and Ni content of 47-60% with the Co content being at least 20%; at least one if 0.1-2% of Hf and 0.05-2% of Re; 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 17
Dependent Claim
23 words
The alloy according to claim 11 which contains a total of 47-53% nickel and cobalt with the cobalt content being at least 20%.
Claim 18
Dependent Claim
94 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: 45-60% of Co and does not contain Ni; at least one of 0.1-2% of Hf and 0.05-2% of Re; 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 19
Dependent Claim
94 words
A wear-resistant intermetallic compound alloy having superior machineability which consists essentially of: 45-60% of Co and does not contain Ni; at least one of 0.1-2% of Hf and 0.05-2% of Re; 0-2% of at least one element selected from the group consisting of Si, P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb, and Bi; 0-2% of C; and 0-5% of at least one element selected from the group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn; the balance being Ti and incidental impurities, the percent being atomic percent.
Claim 20
Dependent Claim
18 words
The alloy according to claim 13, which contains a total of 47-53% cobalt and does not contain nickel.
References Cited (Backward Citations)
US3276865A
Cited
US3660082A
Cited
US4019899A
Cited
US4011075A
Cited
JPS58157934A
Cited
JPS5928548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-10-16 | 1993-04-17 | 1993-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-16 | 1997-04-17 | 1997-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-16 | 2001-04-17 | 2001-10-17 | $7700.00 | Window Closed / Lapsed |