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Published: 2011 ,
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[1]丁亮,赵国平.包芯线技术在Cu-Cr-Zr合金熔铸中的应用[J].特种铸造及有色合金,2011,31(09):870-873.
Ding Liang, Zhao Guoping. Application of Cored Wire Technology in Smelting-casting Cu-Cr-Zr Alloy. [J]. Special Casting & Nonferrous Alloys 31(9):870-873(2011)
通过冲熔法和包芯线技术将Zr元素添加到熔液中
制备Cu-Cr-Zr合金
比较两种不同方法所得合金的Zr元素收得率
并分析Cu-Cr-Zr合金的铸态显微组织。结果表明
包芯线技术较冲熔法能显著提高Zr元素收得率
提高约32.54%
从而使得生产成本降低。Cu-Cr-Zr合金的铸态组织中主要存在3相
即基体Cu、富Cr相和富CuZr相
不存在富CrZr相
其中富Cr相呈纤维针状和颗粒状
主要分布在基体上
部分Cr与Zr形成三元共晶组织;富CuZr相呈不规则块状
主要分布在晶界上。
Cu-Cr-Zr alloy was successfully prepared with adding Zr by impacting-melting method and by cored wire method
and absorption rate of Zr element in the alloy prepared by the kinds of method was analyzed
meanwhile
as-cast microstructure of the Cu-Cr-Zr alloy prepared was observed.The results show that
compared with that in the alloy prepared by impacting-melting method
Zr absorption rate in the alloy prepared by cored wire method is increased by approximately 32.54%
apparently decreasing the product cost.As-cast microstructure of the Cu-Cr-Zr alloy prepared is composed of matrix Cu
Cr-enrichment phase and CuCr-enrichment phase
and absence of CrZr phase can be observed.Needle-like fiber Cr-enrichment phase or Cr-enrichment particle is mainly distributed into the matrix
and a part of Cr with Zr is reacted to generate ternary phase.Irregular CuZr-enrichment phase is mainly distributed along grain boundary.
Cu-Cr-Zr合金收得率铸态组织
Cu-Cr-Zr AlloyAbsorption RateAs-cast Microstructure
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