Starting powder for producing sintered-aluminum alloy, method fo

Details Starting powder for producing sintered-aluminum alloy, method fo Starting powder for producing sintered-aluminum alloy, method fo

1994-03-30

1995-11-14

Simmons, David A.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75228, 75950, 148698, 148700, 419 29, 419 32, 419 39, 419 46, 419 47, 419 48, 419 54, 420534, 420537, B22F 100, C22C 2102

Patent

active

054662770

ABSTRACT:
A sintered Al-alloy, which has a composition of 0.2 to 2.0% of Mg, 10.0 to 35.0% of Si, from 0.2 to 4.0% of Cu, and Al and unavoidable impurities in balance, is produced by using a mixture of the main powder (10.0-35.0% of Si, 0.2-2.0% of Cu, and Al and unavoidable impurities in balance) and at least one metal or mother-alloy powder selected from (a)-(i): (a) Mg powder; (b) Al--Mg powder; (c) Al--Cu powder; (d) Al--Mg--Si powder; (e) Al--Cu--Si powder; (f) Al--Mg--Cu powder; (g) Al--Mg--Cu--Si powder; (h) Mg--Cu powder; and, (i) Mg--Cu--Si powder.

REFERENCES:
patent: 3325279 (1967-06-01), Lawrence et al.
patent: 4460541 (1984-07-01), Singleton et al.
ASM Metals Handbook (9th Edition), vol. 7: Powder Metallurgy, 1984; p. 10.
ASTM Designation B 595-84, "Standard Specification for Sintered Aluminum Structural Parts"; p. 458, Table 1, Table 2, and Appendix (Table XI); 1984.
Powder Metallurgy: Applications, Advantages and Limitations; Erhard Klar, editor; "Aluminum P/M-Properties and Applications", Generous and Montgomery, pp. 211-234; 1983.
JRCM News by The Japan Research and Development Center for Metals; "Showa Denko K.K.", Dec. 1990 (No. 8).
S. Miura, et al., "The Effects of Varied Alloying Methods on the Properties of Sintered Aluminum Alloys", pp. 571-574; Proceedings of 1993 Powder Metallurgy World Congress, Jul. 1993; Kyoto, Japan.

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