Non-isothermal phase-transformation kinetics model for evaluating the austenization of 55CrMo steel based on Johnson-Mehl-Avrami equation
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- 作者：Huiping Lia ; lihuiping99@163.com" class="auth_mail" title="E-mail the corresponding author ; Kang Gaia ; Lianfang Hea ; Chunzhi Zhanga ; Hongzhi Cuia ; Musen Lib
- 关键词：Johnson&ndash ; Mehl&ndash ; Avrami equation ; Dilatometric curves ; Level principle ; Numerical simulation ; Induction hardening
- 刊名：Materials & Design
- 出版年：2016
- 出版时间：15 February 2016
- 年：2016
- 卷：92
- 期：Complete
- 页码：731-741
- 全文大小：2066 K
文摘
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Relationship of austenitizing temperature and logarithm of heating rate is close to linear.
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Relationship of austenite fraction and temperature is attained by the level principle.
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Calculated hardness distribution of hardened part is well consistent with the experiment.
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JMA equation can describe the austenitization of 55CrMo steel in the induction hardening.