US4675157A
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High strength rapidly solidified magnesium base metal alloys
Assignee: Honeywell International Inc
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Filing: 1984-06-07
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Granted: 1987-06-23
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Expires: 2004-06-07
Abstract
Abstract A rapidly solidified magnesium based alloy contains finely dispersed magnesium intermetallic phases. The alloy has the form of a filament or a powder and is especially suited for consolidation into bulk shapes having superior mechanical properties and corrosion resistance.
Inventors
- 👤 Santosh K. Das
- 👤 Derek Raybould
- 👤 Richard L. Bye, Jr.
- 👤 Chin-Fong Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:43
CPC Classifications
C; C22; C22C; C22C45/00; C22C45/005; B; B22; B22F; B22F9/00; B22F9/002; B22F9/008; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
99 words
A magnesium containing alloy having a composition consisting essentially of about 0 to 11 atom percent aluminum, about 0 to 4 atom percent zinc, about 0.5 to 4 atom percent of at least one element selected from the group consisting of silicon, germanium, cobalt, tin and antimony, the balance being magnesium and incidental impurities, with the proviso that the sum of aluminum and zinc present ranges from about 2 to 13 atom percent, said alloy having a microstructure comprised of a solid solution phase having intermetallic, magnesium containing precipitates of a grain size ranging from 0.2 to 1.0 μm.
Claim 2
Dependent Claim
99 words
A magnesium containing alloy having a composition consisting essentially of about 0 to 11 atom percent aluminum, about 0 to 4 atom percent zinc, about 0.5 to 4 atom percent of at least one element selected from the group consisting of silicon, germanium, cobalt, tin and antimony, the balance being magnesium and incidental impurities, with the proviso that the sum of aluminum and zinc present ranges from about 2 to 13 atom percent, said alloy having a microstructure comprised of a solid solution phase having intermetallic, magnesium containing precipitates of a grain size ranging from 0.2 to 1.0 μm.
Claim 3
Dependent Claim
14 words
The alloy of claim 1 wherein said alloy having the form of a ribbon.
Claim 4
Dependent Claim
21 words
The alloy of claim 2, wherein said ribbon has a hardness of at least about 125 kg/mm 2 at room temperature.
Claim 5
Dependent Claim
20 words
An alloy as recited in claim 2, wherein said ribbon has a thickness ranging from about 25 to 100 μm.
Claim 6
Dependent Claim
14 words
An alloy as recited in claim 2, wherein said ribbon is a continuous strip.
Claim 7
Dependent Claim
14 words
The alloy of claim 1 wherein said alloy having the form of a powder.
Claim 8
Dependent Claim
10 words
A metal article consolidated from the powder of claim 6.
Claim 9
Dependent Claim
14 words
An alloy of claim 1, wherein said alloy has the form of a powder.
Claim 10
Dependent Claim
10 words
A metal article consolidated from the powder of claim 8.
Claim 11
Dependent Claim
102 words
A magnesium containing alloy having a composition consisting essentially of about 0 to 11 atom percent aluminum, about 0 to 4 atom percent zinc, up to 4 at% of the aluminum and zinc present being replaced by at least one element selected from the group consisting of neodymium, praseodymium, yttrium, cerium and manganese, about 0.5 to 4 atom percent of at least one element selected from the group consisting of silicon, germanium, cobalt, tin and antimony, the balance being magnesium and incidental impurities, with the proviso that the sum of aluminum and zinc present ranges from about 2 to 13 atom percent.
Claim 12
Dependent Claim
102 words
A magnesium containing alloy having a composition consisting essentially of about 0 to 11 atom percent aluminum, about 0 to 4 atom percent zinc, up to 4 at% of the aluminum and zinc present being replaced by at least one element selected from the group consisting of neodymium, praseodymium, yttrium, cerium and manganese, about 0.5 to 4 atom percent of at least one element selected from the group consisting of silicon, germanium, cobalt, tin and antimony, the balance being magnesium and incidental impurities, with the proviso that the sum of aluminum and zinc present ranges from about 2 to 13 atom percent.
Claim 13
Dependent Claim
23 words
The alloy of claim 10 wherein up to 0.3 at% of the silicon, germanium, cobalt, tin and antimony present is replaced by zirconium.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1990-06-22 | 1990-12-22 | 1991-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-22 | 1994-12-22 | 1995-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-22 | 1998-12-22 | 1999-06-23 | $7700.00 | Window Closed / Lapsed |