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Cr变质处理对金属锰凝固组织和有效形核的影响
Authors
孙丽媛
王志
+4 more
谢克强
钱伟涛
钱国余
马文会
Publication date
1 January 2017
Publisher
Abstract
采用电感耦合等离子体原子发射光谱仪、差热-热重分析仪和金相显微镜等检测手段研究了Cr加入量对金属锰凝固组织的影响.结果表明,变质处理得到的金属锰凝固组织主要为柱状树枝晶,添加Cr有利于枝晶组织细化,Cr加入量由0增加至3.7%(?)时,金属锰平均晶粒尺寸先减小后增大,未变质时平均晶粒尺寸最大,为69.0?m;Cr加入量为2.0%(?)时,平均晶粒尺寸最小,仅为37.5?m;Cr加入量增至3.7%(?)时,平均晶粒尺寸增大至51.8?m.熔体中有效异质形核质点数增加是导致金属锰凝固组织细化的主要原因.</p
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/36622
Last time updated on 05/12/2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ipe.ac.cn:122111/25080
Last time updated on 08/09/2018