Manufacturing method for alumina-dispersed reinforced copper

Details Manufacturing method for alumina-dispersed reinforced copper Manufacturing method for alumina-dispersed reinforced copper

1996-08-22

1998-11-03

Ryan, Patrick

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

75228, 75232, 75235, 75234, 75255, 75343, 75363, 75333, 75340, C22C 900

Patent

active

058302573

ABSTRACT:
A manufacturing method for an alumina-dispersed reinforced copper alloy according to the invention is an improved method which is capable of manufacturing efficiently alumina-dispersed reinforced copper having both good electro-conductivity used for wire-manufacturing-material and good mechanical property, the manufacturing method comprises the steps of obtaining powders constituted by particles having aluminum-contained copper alloy-oxide, allowing to mill aluminum-contained copper alloy powder within the air atmosphere by milling device with mechanical-alloying-operation due to shock compression, converting aluminum into aluminum-oxide by heat-treatment of the powders within inert atmosphere, implementing reduction-treatment of the converted member within the reducing atmosphere, and executing hot extrusion the reduction-treated-material.

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