石墨烯/羟基磷灰石复合材料力学性能的数值研究

doi:10.19596/j.cnki.1001-246x.7595

计算物理 ›› 2018, Vol. 35 ›› Issue (1): 71-76.DOI: 10.19596/j.cnki.1001-246x.7595

石墨烯/羟基磷灰石复合材料力学性能的数值研究

唐秋明¹, 甄天熠¹, 李丹云², 高强¹

1. 苏州大学机电工程学院, 苏州 215021;
2. 浙江大学机械工程学院, 杭州 310028

收稿日期:2016-12-01 修回日期:2017-05-26 出版日期:2018-01-25 发布日期:2018-01-25
通讯作者: 高强(1968-),男,博士,教授,研究方向为数值计算方法、环境流体力学、装备零部件CAD/CAE分析,E-mail:gaoqiang@suda.edu.cn
作者简介:唐秋明(1991-),男,硕士研究生,主要研究方向为材料的力学性能、有限元分析,E-mail:291486007@qq.com
基金资助:
国家自然科学基金（51475315）资助项目

Mechanical Properties of Graphene/Hydroxyapatite Composite Materials: Numerical Study

TANG Qiuming¹, ZHEN Tianyi¹, LI Danyun², GAO Qiang¹

1. School of Mechanical and Electric Engineering, Soochow University, Suzhou 215021, China;
2. School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China

Received:2016-12-01 Revised:2017-05-26 Online:2018-01-25 Published:2018-01-25

摘要/Abstract

摘要： 为了研究石墨烯/羟基磷灰石复合材料力学性能（弹性模量和泊松比），开发了石墨烯/羟基磷灰石复合材料的随机分布模型自动生成算法及相应的计算程序；建立石墨烯/羟基磷灰石复合材料的有限元模型，计算添加不同质量分数的石墨烯对复合材料力学性能的影响，通过与实验数据对比验证算法的有效性.结果表明：添加0.25%~1.25%（质量分数）的石墨烯可使复合材料的弹性模量增加12%~50%，表明添加少量石墨烯即能有效地改善羟基磷灰石的力学性能.

关键词: 石墨烯, 羟基磷灰石, 有限单元法, 力学性能

Abstract: We study effect of addition of graphene on mechanical properties (elastic modulus and Poisson's ratio) of hydroxyapatite composites. Firstly, generating algorithm of random distribution geometric model of graphene/hydroxyapatite composites was created and model's automatic generation program was developed. Then, finite element model of graphene/hydroxyapatite composite was established. Finite element analysis of uniaxial tensile tests of composite materials was carried out. Finally, mechanical properties of different mass fraction of graphene of composite were calculated. Validity of the algorithm is verified by experimental data. It shows that elastic modulus of composite increased 12% to 50% with addition of 0.25% to 1.25% (wt.) graphene. Mechanical properties of hydroxyapatite can be effectively improved by addition of graphene.

Key words: graphene, hydroxyapatite, finite element method(FEM), mechanical properties

中图分类号:

唐秋明, 甄天熠, 李丹云, 高强. 石墨烯/羟基磷灰石复合材料力学性能的数值研究[J]. 计算物理, 2018, 35(1): 71-76.

TANG Qiuming, ZHEN Tianyi, LI Danyun, GAO Qiang. Mechanical Properties of Graphene/Hydroxyapatite Composite Materials: Numerical Study[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2018, 35(1): 71-76.

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石墨烯/羟基磷灰石复合材料力学性能的数值研究

Mechanical Properties of Graphene/Hydroxyapatite Composite Materials: Numerical Study

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