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OBSERVATION AND ANALYSIS OF ε-Cu PHASE IN THE ANTIBACTERIAL AUSTENITE STAINLESS STEEL CONTAINING Cu
Author(s): LI Hengwu, ZHANG Tibao, ZHANG Tiyong
Pages: 39-
42
Year: 2008
Issue:
1
Journal: ACTA METALLURGICA SINICA
Keyword: 抗菌不锈钢; ε-Cu相; 显微组织;
Abstract: 采用OM、XRD、SEM、EPM和TEM分析了含Cu奥氏体不锈钢经抗菌热处理后所形成的ε-Cu相.试样经过FeCl3-HCl水溶液浸蚀后在OM下观察到,ε-Cu相最初在晶界上形核,随后顺加工方向逐渐长大成棒状,长度约为30μm.EPM和EDS分析表明,它是一种含Cr,Ni和Fe的富Cu相,较多ε-Cu相中的Cu含量达到80%左右;在时效过程中,ε-Cu相的成分不断变化.XRD分析表明,该富Cu相具有fcc结构,是Cu固溶体相.
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