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Abstract:
利用积分镜对激光束进行整形获得宽带激光束,进行宽带激光熔覆获得无裂纹WC/钴基合金层.对激光熔覆层用扫描电境(SEM)进行形貌观察,并进行能谱成分分析,用XRD进行合金物相表征.结果表明,熔覆层组织主要是由Co的过饱和固溶体、WC、W2C、CoCr、Cr7C3等相组成.W2C相的出现说明WC相发生了分解,WC等硬质相的存在导致熔覆层硬度的非均匀性.
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金属热处理
ISSN: 0254-6051
Year: 2007
Issue: 11
Volume: 32
Page: 26-29
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 9
Chinese Cited Count:
30 Days PV: 2
Affiliated Colleges: