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Abstract:
研究了氩气保护熔炼和单辊旋铸Cu_(71)Cr_(29)合金的显微组织和性能.结果表明,氩气保护熔炼Cu_(71)Cr_(29)合金的显微组织主要以初生的富Cr枝晶形式存在于Cu基体中,而单辊旋铸Cu_(71)Cr_(29)合金的显微组织呈现出球状富Cr相,且富Cr球的大小随着条带厚度的变化而变化,靠近自由面的富Cr球直径比接触面要大,分析表明合金快速凝固过程中发生了亚稳态的液相分离.与氩气保护熔炼Cu_(71)Cr_(29)合金相比,单辊旋铸Cu_(71)Cr_(29)合金的显微硬度增加了100%,主要是由于固溶度增加和晶粒细小的缘故.
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Source :
热加工工艺
ISSN: 1001-3814
Year: 2009
Issue: 23
Page: 33-35
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 19
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