A Constitutive Model for Polyether Ether Ketone (PEEK) in Various Mechanical States

ZHANG Heng; YAN Biao; YIN Hong-ling; XU Yong-cheng; PENG Xiong-qi; PENG Fu-jun

doi:10.21656/1000-0887.370283

Volume 38 Issue 7

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Article Navigation > Applied Mathematics and Mechanics > 2017 > 38(7): 755-761

ZHANG Heng, YAN Biao, YIN Hong-ling, XU Yong-cheng, PENG Xiong-qi, PENG Fu-jun. A Constitutive Model for Polyether Ether Ketone (PEEK) in Various Mechanical States[J]. Applied Mathematics and Mechanics, 2017, 38(7): 755-761. doi: 10.21656/1000-0887.370283

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A Constitutive Model for Polyether Ether Ketone (PEEK) in Various Mechanical States

doi: 10.21656/1000-0887.370283

¹Shanghai Key Laboratory of Spacecraft Mechanism, Shanghai Aerospace Systems Engineering Institute, Shanghai 201108, P.R.China;²School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, P.R.China

Received Date: 2016-09-14
Rev Recd Date: 2017-05-18
Publish Date: 2017-07-15

Abstract

Abstract

Polyether ether ketone (PEEK) with its excellent performances is widely used in advanced machinery, nuclear engineering, aviation, aerospace and other scientific & technological fields. In order to describe the mechanical behaviors of PEEK in view of coupled effects of strain, strain rate and temperature, based on the famous JC (Johnson-Cook) constitutive model, a piecewise JC constitutive model was established for PEEK in 3 mechanical states at different temperatures. Compared with the traditional JC model and a modified one in previous literatures, the proposed piecewise JC constitutive model can better predict the flow behaviors of PEEK at high temperatures. It provides a theoretical foundation for the numerical simulation and engineering application of PEEK in composites in the future.
- polyether ether ketone,
- mechanical behavior,
- constitutive model

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References(15)

References

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