Microstructure and performance of graded Ti(C, N)-based cermets modified by nitriding treatment during different sintering stages
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- 作者：Yijie Zhaoa ; Yong Zhenga ; zy_msc@nuaa.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yi Lia ; Wei Zhoua ; Guotao Zhanga ; Jiajie Zhanga ; Weihao Xiongb
- 关键词：Graded Ti(C ; N)-based cermets ; Nitrided ; Microstructure ; Hardness ; Surface
- 刊名：International Journal of Refractory Metals and Hard Materials
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：62
- 期：part_PA
- 页码：1-8
- 全文大小：2928 K
文摘
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Graded cermets were prepared by introducing nitrogen at different sintering stages.
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A high nitrogen activity could promote the dissolution of the rim phase.
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The high nitrogen potential was favorable to the formation of WC and free carbon.
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A harden surface layer formed in the graded cermets treated at cooling stage.
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The surface hardness of cermets nitrided at cooling stage increased significantly.
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