Volume 40, Issue 1 (Journal of Advanced Materials-Spring 2021)
2021, 40(1): 113-131 |
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Amirarsalani R, Morakabati M, Mahdavi R. EVALUATING HOT DEFORMATION BEHAVIOR OF W360 TOOL STEEL BY HOT COMPRESSION TEST. Journal of Advanced Materials in Engineering (Esteghlal) 2021; 40 (1) :113-131
URL: http://jame.iut.ac.ir/article-1-1101-en.html
URL: http://jame.iut.ac.ir/article-1-1101-en.html
Faculty of Materials and Manufacturing Technologies, Malek Ashtar University of Technology, Tehran, Iran. , m_morakabati@mut.ac.ir
Abstract: (2199 Views)
In this research, the hot deformation behavior of W360 tool steel was investigated using hot compression test at 1000-1200°C and strain rates of 0.001, 0.01, 0.1, and 1 s-1. According to the results, dynamic recrystallization was found the most important restoration factor of this alloy during hot deformation. Recrystallization was enhanced with an increase in temperature and strain rate. Also, the hot working process was optimized by drawing the processing map of this steel. Microstructural images obtained from the hot compression test showed that recrystallization started at 1000°C and the strain rate of 0.01 s-1 and developed with increasing temperature and strain rate due to an increase in the stored energy and suitable regions for nucleation. The results of drawing the processing map showed that the best hot deformation region was the temperature range of 1050-1150°C and strain rates of 0.1-1 s-1.
Keywords: W360 hot work tool steel, Hot compression test, Dynamic recrystallization, Processing map.
Type of Study: Research |
Subject:
Forming and mechanical properties
Received: 2020/08/19 | Accepted: 2021/05/24 | Published: 2021/05/31
Received: 2020/08/19 | Accepted: 2021/05/24 | Published: 2021/05/31
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