-1 to 10s-1, and processing maps for both alloys were established. The results showed that increasing Cr content significantly enhanced the hot deformation resistance at low temperature and high strain rate, and also increased the apparent activation energy. Comparison of the processing maps of two alloys indicated that safe hot processing range was decreased with the increasing of Cr content."/>

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Effect of Cr on Hot Deformation Behavior of Nickel Based Alloys
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Special Steel Institute,Central Iron and Steel Research Institute,Special Steel Institute,Central Iron and Steel Research Institute,Special Steel Institute,Central Iron and Steel Research Institute,Special Steel Institute,Central Iron and Steel Research Institute,Special Steel Institute,Central Iron and Steel Research Institute

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TG337

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    Abstract:

    Hot compression tests were carried out to study hot deformation behavior of new Ni-based alloys with different contents of Cr (7 % and 20 %) in the temperature range of 950 ℃ to 1200 ℃ and strain rates ranging from 0.01 s-1 to 10s-1, and processing maps for both alloys were established. The results showed that increasing Cr content significantly enhanced the hot deformation resistance at low temperature and high strain rate, and also increased the apparent activation energy. Comparison of the processing maps of two alloys indicated that safe hot processing range was decreased with the increasing of Cr content.

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[Hu Shao-mei, Song Zhi-gang, Zheng Wen-jie, Feng Han, Zhu Yu-liang. Effect of Cr on Hot Deformation Behavior of Nickel Based Alloys[J]. Rare Metal Materials and Engineering,2018,47(7):2205~2209.]
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History
  • Received:February 16,2017
  • Revised:March 31,2017
  • Adopted:April 14,2017
  • Online: October 10,2018
  • Published: