Study and Simulation Analysis of Microwave Heating Performance of Magnetite Concrete Based on Random Aggregate Modeling

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成果类型：

期刊论文

作者：

Li, Guoyu;Chen, Zhenfu;Wu, Qiongfang;Wu, Dan;Tao, Qiuwang;...

通讯作者：

Wu, QF

作者机构：

[Zou, Pinyu; Liu, Yizhi; Li, Guoyu; Chen, Zhenfu; Wu, Qiongfang; Wu, QF; Tao, Qiuwang; Wu, Dan] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

[Zou, Pinyu; Liu, Yizhi; Li, Guoyu; Chen, Zhenfu; Wu, Qiongfang; Wu, QF; Tao, Qiuwang; Wu, Dan] Univ South China, China Nucl Ind Key Lab High Performance Concrete, Hengyang 421001, Peoples R China.

[Zou, Pinyu; Liu, Yizhi; Li, Guoyu; Chen, Zhenfu; Wu, Qiongfang; Wu, QF; Tao, Qiuwang; Wu, Dan] Univ South China, Hunan Prov Key Lab High Performance Special Concre, Hengyang 421001, Peoples R China.

通讯机构：

[Wu, QF ] U

Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

Univ South China, China Nucl Ind Key Lab High Performance Concrete, Hengyang 421001, Peoples R China.

Univ South China, Hunan Prov Key Lab High Performance Special Concre, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

magnetite concrete;microwave heating;random aggregate model;thermal evolution

期刊：

Materials

ISSN：

1996-1944

年：

2025

卷：

期：

DOI：

10.3390/ma18061333

基金类别：

Zhenfu Chen of the National Natural Science Foundation of China [51678286]; National Natural Science Foundation of China

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

摘要：

Radiation-shielding concrete, widely used in protective structures because of its effective shielding properties, employs magnetite aggregates to achieve higher compressive strength than conventional concrete. However, prolonged exposure to high temperatures leads to mechanical degradation. This study investigates the thermal evolution of magnetite concrete under microwave heating across varying temperatures (38-800 degrees C). A microwave oven was utilized for heating, and COMSOL Multiphysics was employed to establish an electromagnetic-thermal-mechanical coupled model, analyzing surface char...

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Study and Simulation Analysis of Microwave Heating Performance of Magnetite Concrete Based on Random Aggregate Modeling

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