一种考虑聚醚醚酮（PEEK）不同力学状态的本构模型

张衡; 严飙; 尹红灵; 徐永成; 彭雄奇; 彭福军

doi:10.21656/1000-0887.370283

一种考虑聚醚醚酮（PEEK）不同力学状态的本构模型

doi: 10.21656/1000-0887.370283

¹上海宇航系统工程研究所空间飞行器机构重点实验室, 上海 201108;²上海交通大学材料科学与工程学院, 上海 200030

基金项目: 上海市优秀学术/技术带头人计划（14XD1423200）

详细信息

作者简介:
张衡（1990—），男，硕士生(E-mail: hengzhi@sjtu.edu.cn);彭雄奇（1970—），教授，博士生导师(通讯作者. E-mail: xqpeng@sjtu.edu.cn).

中图分类号: TB324
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出版历程
- 收稿日期: 2016-09-14
- 修回日期: 2017-05-18
- 刊出日期: 2017-07-15

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

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

摘要

摘要: 聚醚醚酮（简称PEEK）以其优良的性能而广泛应用于高端机械、核工程和航空等科技领域.为了描述其在应变、应变率和温度3种因素作用下的力学行为，依据PEEK在不同温度下呈现的3种力学状态，在著名的JC(JohnsonCook)本构模型的基础上，提出了针对高分子不同力学状态的分段JC本构模型.与传统JC模型及文献中改进JC模型相比，提出的分段JC模型能够更精确地表征PEEK在中高温下的力学行为，为PEEK在复合材料中的应用和分析奠定了理论基础.
- 聚醚醚酮 /
- 力学行为 /
- 本构模型
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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参考文献(15)

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一种考虑聚醚醚酮（PEEK）不同力学状态的本构模型

doi: 10.21656/1000-0887.370283

作者简介:
张衡（1990—），男，硕士生(E-mail: hengzhi@sjtu.edu.cn);彭雄奇（1970—），教授，博士生导师(通讯作者. E-mail: xqpeng@sjtu.edu.cn).

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

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一种考虑聚醚醚酮（PEEK）不同力学状态的本构模型

doi: 10.21656/1000-0887.370283

作者简介: 张衡（1990—），男，硕士生(E-mail: hengzhi@sjtu.edu.cn);彭雄奇（1970—），教授，博士生导师(通讯作者. E-mail: xqpeng@sjtu.edu.cn).

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出版历程

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

计量

出版历程

目录

作者简介:
张衡（1990—），男，硕士生(E-mail: hengzhi@sjtu.edu.cn);彭雄奇（1970—），教授，博士生导师(通讯作者. E-mail: xqpeng@sjtu.edu.cn).