Flow behavior of a modified cobalt alloy at high temperature

TANG Chunfeng; QU Xuanhui; DUAN Bohua; HE Xinbo

doi:10.13374/j.issn1001-053x.2006.06.008

Volume 28 Issue 6

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TANG Chunfeng, QU Xuanhui, DUAN Bohua, HE Xinbo. Flow behavior of a modified cobalt alloy at high temperature[J]. Chinese Journal of Engineering, 2006, 28(6): 542-545. doi: 10.13374/j.issn1001-053x.2006.06.008

Citation:

TANG Chunfeng, QU Xuanhui, DUAN Bohua, HE Xinbo. Flow behavior of a modified cobalt alloy at high temperature[J]. Chinese Journal of Engineering, 2006, 28(6): 542-545. doi: 10.13374/j.issn1001-053x.2006.06.008

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Flow behavior of a modified cobalt alloy at high temperature

doi: 10.13374/j.issn1001-053x.2006.06.008

1. State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China;
2. State Key Laboratory for Advanced Metals and Materials, Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China

Received Date: 2006-03-22
Rev Recd Date: 2006-04-23

Available Online: 2021-08-24

Abstract

Abstract

The isothermal compression deformation behavior of a modified cobalt alloy was investigated at temperatures from 850 to 1 150 12 with Gleeble-1500 simulation machine. The experimental results show that the alloy has excellent high-temperature mechanical properties. Its maximum flow stress at 850 12 is in the range of 360-475 MPa when the strain rate is between 0. 0021 and 2.1 s^-1. The flow stress of the alloy during high temperature deformation can be described by Zener-Hollomon parameter.
- Cobalt-base alloy,
- hot compression deformation,
- flow stress,
- isothermal compression test