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钛合金激光渗氮层的组织与性能研究

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Indexed by:期刊论文

Date of Publication:2003-12-25

Journal:金属热处理

Included Journals:PKU、ISTIC、CSCD

Volume:28

Issue:12

Page Number:21-24

ISSN No.:0254-6051

Key Words:激光;渗氮;钛合金

Abstract:对Ti-6Al-4V合金在氮和氩的混合气体中通过激光加热形成的渗氮层进行了研究.结果表明,渗氮层由α和TiN两相组成.靠近表层的粗树枝状组织为胞状纳米晶的TiN相,熔区内的显微硬度在500HV~800HV范围内呈阶梯状变化.

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