基于细观力学的多相耐火材料压缩状态损伤表征

doi:10.19976/j.cnki.43-1448/TF.2024013

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摘要针对多相复合耐火材料压缩状态下的非线性力学行为,在细观损伤力学的基础上,对改进的广义自洽模型进行逆向求解,研究多相耐火材料受到压缩载荷时的损伤行为,提出一种能表征多相耐火材料在压缩载荷下非线性损伤行为的方法。以AMC (aluminum-magnesium-carbon)多相耐火材料为例,利用该方法对其在受压状态下的力学行为进行表征。结果显示,表征结果和实验值吻合较好,为多相复合耐火材料的损伤表征提供了一种思路和理论基础。

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	黄志兴
	王志刚
	刘昌明
	李贤军

关键词 ：细观损伤力学, 多相耐火材料, 损伤表征, 广义自洽模型, 非线性力学行为

Abstract：For the nonlinear mechanical behavior of multiphase composite refractory under compression, on the basis of microscopic damage mechanics, the improved generalized self-consistent model was solved inversely, the damage behavior of multiphase refractory under compression load was investigated, and a method that can characterize the nonlinear damage behavior of multiphase refractory under compression load was proposed. Taking the AMC (aluminum-magnesium-carbon) multiphase refractory as an example, the mechanical behavior under compression was characterized by this method. The results show that the characterization results of this method are in good agreement with the experimental values, which provides an idea and a theoretical basis for the damage characterization of multiphase composite refractory.

Key words： microscopic damage mechanics multiphase refractory damage characterization generalized self-consistent model nonlinear mechanical behavior

收稿日期: 2024-02-28 出版日期: 2024-05-31

ZTFLH:

TB35

基金资助:耐火材料损伤状态的声学主被动监测机理与方法研究(51505346); 面向教育“新基建”的《工程热力学》课程体系改革与教材建设创新实践(2023233)

通讯作者: 王志刚,教授,博士。电话：15697181117;E-mail: 35067795@qq.com

引用本文:

黄志兴, 王志刚, 刘昌明, 李贤军. 基于细观力学的多相耐火材料压缩状态损伤表征[J]. 粉末冶金材料科学与工程, 2024, 29(2): 93-100.
HUANG Zhixing, WANG Zhigang, LIU Changming, LI Xianjun. Damage characterization of multiphase refractories under compression based on mesomechanics. Materials Science and Engineering of Powder Metallurgy, 2024, 29(2): 93-100.

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http://pmbjb.csu.edu.cn/CN/10.19976/j.cnki.43-1448/TF.2024013 或 http://pmbjb.csu.edu.cn/CN/Y2024/V29/I2/93

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