HMn62-3-3合金的热变形行为及热加工图<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.016.030

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Abstract Isothermal compression tests of HMn62-3-3 alloy at temperatures ranging from 560 to 600 ℃ and strain rates from 0.01-10 s^-1 were performed on the Gleeble-1500 thermo-simulation machine, the constitutive equation of HMn62-3-3 alloy and hot processing maps during the hot deformation process were established. The results showed that flow stress of HMn62-3-3 alloy decreased with the increase of deformation temperature and the decrease of strain rate. Under the experimental conditions, HMn62-3-3 alloy had the feature of dynamic recrystallization. Arrhenius hyperbolic sine function can well describe the constitutive equation of HMn62-3-3 alloy and the activation energy is about 201.525 kJ·mol^-1. Processing maps were established based on the dynamic material model (DMM), the optimum ranges of deformation temperatures and rates are 610-640 ℃ and 2-10 s^-1, respectively.

Key words： HMn62-3-3 alloy hot compression simulation constitutive equation processing map

Published: 25 August 2017 Online: 2018-05-07

CLC number:

TG146.1

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	Articles by authors
	HU Yong
	CHEN Wei
	LI Xiaocheng
	PENG Hesi
	DING Yutian

Cite this article:

HU Yong,CHEN Wei,LI Xiaocheng, et al. Hot Deformation Behavior and Hot Processing Map for HMn62-3-3 Alloy[J]. Materials Reports, 2017, 31(16): 144-149.

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https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.016.030 OR https://www.mater-rep.com/EN/Y2017/V31/I16/144

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