Wear-resistant aluminum alloy and compressor piston formed there

Details Wear-resistant aluminum alloy and compressor piston formed there Wear-resistant aluminum alloy and compressor piston formed there

1996-01-05

1998-12-22

Ryan, Patrick

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148417, 148418, 148439, 420532, 420534, 420535, C22C 2100

Patent

active

058513205

ABSTRACT:
An improved aluminum alloy containing specific additions of silicon and copper to improve wear resistance and improve solutionizing of the alloying constituents, and a process for forming a wear-resistant component from the alloy. The improved aluminum alloy is also characterized by good strength and sufficient ductility so as to permit forging of a wear-resistant component from the alloy. A preferred composition for the alloy, in weight percent, is about 13.0 to about 15.5 percent silicon; about 0.8 to about 2.0 percent copper; about 0.8 to about 1.3 percent magnesium, and the balance being aluminum and impurities. The aluminum alloy is particularly well suited to form pistons of the type used in compressors of automotive air conditioning systems.

REFERENCES:
Translation of JP (07-197165).

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