US4950340A
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Intermetallic compound type alloy having improved toughness machinability and wear resistance
Assignee: Mitsubishi Metal Corp
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Filing: 1988-08-05
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Granted: 1990-08-21
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Expires: 2008-08-05
Abstract
Abstract An intermetallic compound type alloy consisting essentially of: Ni or Co or both 45-60%; Si 0.01-1%; Re 0-2%; Hf 0-2%; C 0-2%; one or more elements selected from a group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn 0-5%; one or more elements selected from a group consisting of P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi 0-2%; and the balance Ti and incidental impurities, and having excellent toughness, machinability and wear resistance, the % being atomic %.
Inventors
- 👤 Saburo Wakita
- 👤 Junji Hoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:16
CPC Classifications
C; C22; C22C; C22C28/00; C22C19/00; C22C19/07; C22C14/00; C22C19/03
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
88 words
An intermetallic compound type alloy consisting essentially of: Ni or Co or both 45-60%; Si 0.01-1%; Re 0-2%; Hf 0-2%; C 0-2%; one or more elements selected from a group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn from 0-5%; one or more elements selected from a group consisting of P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi from 0-2%; and the balance Ti and incidental impurities, and having excellent toughness, machinability and wear resistance, the % being atomic %.
Claim 2
Dependent Claim
88 words
An intermetallic compound type alloy consisting essentially of: Ni or Co or both 45-60%; Si 0.01-1%; Re 0-2%; Hf 0-2%; C 0-2%; one or more elements selected from a group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn from 0-5%; one or more elements selected from a group consisting of P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi from 0-2%; and the balance Ti and incidental impurities, and having excellent toughness, machinability and wear resistance, the % being atomic %.
Claim 3
Dependent Claim
19 words
An intermetallic compound type alloy according to claim 1, comprising Ni or Co or both comprising 47-53 atomic %.
Claim 4
Dependent Claim
14 words
An intermetallic compound type alloy according to claim 1, comprising Re 0.05-2 atomic %.
Claim 5
Dependent Claim
14 words
An intermetallic compound type alloy according to claim 1, comprising Hf 0.1-2 atomic %.
Claim 6
Dependent Claim
14 words
An intermetallic compound type alloy according to claim 1, comprising C 0.05-2 atomic %.
Claim 7
Dependent Claim
34 words
An intermetallic compound type alloy according to claim 1, comprising one or more elements selected from a group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn from 0.1-5 atomic %.
Claim 8
Dependent Claim
34 words
An intermetallic compound type alloy according to claim 1, comprising one or more elements selected from a group consisting of Zr, Fe, V, Nb, Ta, Cr, Mo, W and Mn from 0.1-3 atomic %.
Claim 9
Dependent Claim
26 words
An intermetallic compound type alloy according to claim 1, comprising P, Cu, Zn, Ga, Ge, Cd, In, Sn, Sb, Pb and Bi from 0.1-2 atomic %.
References Cited (Backward Citations)
US4144057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-08-20 | 1994-02-19 | 1994-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-20 | 1998-02-19 | 1998-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-20 | 2002-02-19 | 2002-08-21 | $7700.00 | Window Closed / Lapsed |