Preparation method of aluminum oxide dispersion-strengthened copper-based diffusion alloy powder

Preparation method of aluminum oxide dispersion-strengthened copper-based diffusion alloy powder

The invention provides a preparation method of aluminum oxide dispersion-strengthened copper-based diffusion alloy powder. The preparation method comprises the following steps of: (1) weighing luminumoxide dispersion-strengthened copper powder of which the particle size is smaller than 75 microns an...

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Hauptverfasser: YAN ZHIQIAO, WANG SHUNCHENG, LIU ZHENPENG, FU NAIKE, CHEN FENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CASTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
WORKING METALLIC POWDER
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creator YAN ZHIQIAO
WANG SHUNCHENG
LIU ZHENPENG
FU NAIKE
CHEN FENG
description The invention provides a preparation method of aluminum oxide dispersion-strengthened copper-based diffusion alloy powder. The preparation method comprises the following steps of: (1) weighing luminumoxide dispersion-strengthened copper powder of which the particle size is smaller than 75 microns and metal powder of which the particle size is smaller than 45 microns according to a mass ratio, andmixing for 4 h to 8 h; (2) processing the mixed powder for 0.5 h to 4 h at the temperature of 600 DEG C to 900 DEG C in hydrogen atmosphere; (3) crushing the obtained material until the particle sizeof the material is smaller than or equal to 180 microns, and screening the material to form powder which is within four different particle size ranges including 180-150 microns, 15-75 microns, 75-45microns and smaller than 45 microns; and (4) processing the powder for 1 h to 3 h at the temperature of 450 DEG C to 650 DEG C in the hydrogen atmosphere, cooling to room temperature to obtain the aluminum oxide dispersion-stren
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subjects CASTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
WORKING METALLIC POWDER
title Preparation method of aluminum oxide dispersion-strengthened copper-based diffusion alloy powder
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