Investigation on strength and fracture mechanism of aluminum plate-fin structures at cryogenic temperature

Hongqiang Ma,Shengxun Wang,Jiajun Wang,Yue Xie, Peng Zhong,Weihua Cai,Kai Min,Xinmei Luo

Engineering Failure Analysis（2023）

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Abstract

•The stress-strain curve of plate-fin structures is obtained based on tensile test.•The fracture morphology of plate-fin structures is analyzed based on SEM observation.•The fracture mechanism of plate-fin structures is obtained at cryogenic temperatures.

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Key words

Aluminum plate-fin heat exchangers,Axial tensile strength test,Fracture mechanism,Cryogenic temperature,Thermal stress damage

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