Patent US1507212A successfully refreshed from Google Patents.
Patent US7172641B2 successfully refreshed from Google Patents.
US7172641B2
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Ultra-hard boride-based metal matrix reinforcement
Assignee: Iowa State University Research Foundation Inc
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Filing: 2004-06-18
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Granted: 2007-02-06
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Expires: 2024-06-18
Abstract
Abstract A composite of M/AlMgB 14 or M alloy/AlMgB 14 is synthesized, where M=Al, Ti, W, or Cu. Small particles and/or fibers of AlMgB 14 are distributed throughout a metal matrix to strengthen the resulting composite.
Inventors
- 👤 Bruce Allan Cook
- 👤 Alan Mark Russell
- 👤 Joel Lee Harringa
- 👤 S. Bulent Biner
- 👤 Iver Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:15
CPC Classifications
C; C22; C22C; C22C49/00; C22C49/14; C22C32/00; C22C32/0047; C22C32/0073; B; B22; B22F; B22F2998/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
33 words
A reinforced alloy comprising metal or a metal alloy with from 5% vol. % to about 30% vol. % of AlMgB 14 in the form of particles and/or fibers to reinforce said alloy.
Claim 2
Dependent Claim
33 words
A reinforced alloy comprising metal or a metal alloy with from 5% vol. % to about 30% vol. % of AlMgB 14 in the form of particles and/or fibers to reinforce said alloy.
Claim 3
Dependent Claim
99 words
The reinforced alloy of claim 1 wherein the metal is Al or an Al alloy an the Al alloy comprises from 90 wt. % to 100 wt. Al; from 0 wt. % to 7.0 wt. % Cu; from 0 wt. % to 1 wt. % Bi; from 0 wt. % to 1 wt. Pb; from 0 wt. % to 2 wt. % Fe; from 0 wt. % to 6 wt. % Mg; from 0 wt. % to 2 wt. Mn; from 0 wt. % to 14 wt. % Si; and from 0 wt. % to 8 wt. % Zn.
Claim 4
Dependent Claim
37 words
The reinforced Al alloy of claim 2 wherein the Al alloy is from 80 wt. % Al to 100 wt. % Al; and the solid density of said reinforced alloy is from 2.50 g/cc to 2.90 g/cc.
Claim 5
Dependent Claim
22 words
The reinforced Al alloy of claim 3 wherein the solid density of said reinforced alloy is from 2.60 g/cc to 2.80 g/cc.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2010-02-05 | 2010-08-07 | 2011-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2014-02-05 | 2014-08-07 | 2015-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2018-02-05 | 2018-08-07 | 2019-02-06 | $7700.00 | Window Closed / Lapsed |