Microstructure and mechanical properties of spray-formed H13 steel tooling

被引：0
|
作者：
Lin, YJ [1 ]
McHugh, KM [1 ]
Park, YS [1 ]
Zhou, YZ [1 ]
Lavernia, EJ [1 ]
机构：
[1] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA
来源：
TRENDS IN MATERIALS AND MANUFACTURING TECHNOLOGIES FOR TRANSPORTATION INDUSTRIES AND POWDER METALLURGY RESEARCH AND DEVELOPMENT IN THE TRANSPORTATION INDUSTRY | 2005年
关键词：
spray-formed tooling; H13; steel; process development;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents results on the microstructure and hardness of spray-formed H13 (Fe-0.40C5.00Cr-1.10V-1.30Mo (wt%)) tooling. There is very low porosity in both as-spray formed samples and aged samples. The microstructure in the as-spray-formed sample is characterized by primary carbides, acicular lower bainite, and a small amount of martensite and retained austenite. Spray formed and aged tooling H 13 has higher hardness values than those of H 13 in conventional tooling. The experimental results of microstructures and hardness are rationalized on the basis of numerical analysis of cooling during processing of spray-formed tooling.
引用
收藏
页码：45 / 50
页数：6
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