简介概要

INFLUENCE OF HEAT TREATMENT PROCESSES ON MECHANICAL PROPERTIES OF A Cu-Ni-AI-Ti ALLOY

来源期刊:中国有色金属学报(英文版)1994年第2期

论文作者:Deng Zhiqian Xie Haitao

文章页码:47 - 51

Key words:Cu-Ni-Al-Ti alloy; heat treatment; strength; plasticity; fatigue crack propagating rate; cold deformation

Abstract: The influence of heat treatment processes on the strength.hardnese and fatigue crack propagating rate of a Cu-Ni-Al-Ti alloy was studied.The results show that the ccoling rate after solution heat treatment has great influence on the properties of the alloy:namely,the larger the cooling rate,the higher the strength and the lower the plasticity.But the alloy can retain relativelyhigh strength even under air-cooling.With regard to the strength.it is advisable to adopt the following process:solution heat treatment+water cooling +cold deformation +aging.However,with regard to the combination of the strength,plasticity and fatigue crack propagating rate,it isadvisable to adopt the following process:solution heat treatment +air-cooling+cold deformation+aging.

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