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| Study on carbide variation in powder metallurgy high speed steel AHPT15M |
| ZHONG Hai-lin1,2，CHEN Fei-xiong1,2，LI Xiao-ming1,2，KUANG Chun-jiang1,2，WANG Xue-bing1,2 |
1. China Iron & Steel Research Institute， Beijing 100081， China
2. Advanced Technology＆ Materials Corporation Ltd.， Beijing 100081， China |
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Abstract In order to understand the?composition and variation rules of?carbides?in high speed steel，?AHPT15M?(S390)?was employed as research object.?By using physical and chemical phase analysis， the change of carbide content， type and size in different?state， such as annealed， quenched and tempered state， were analyzed. Results show that the total mass percent of carbide is 28.08%， 18.40% and 24.84% in annealed， quenched and tempered state， respectively.
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Received: 06 May 2015
Published: 20 April 2016
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[3]邓玉昆，陈景榕，王世章.高速工具钢[M].北京：冶金工业出版社，2002：102-104.
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2016, Vol. 26 
