Effects of γ-Ray Irradiation on the Fatigue Strength, Thermal Conductivities and Thermal Stabilities of the Glass Fibres/Epoxy Resins Composites

被引：11

作者：

Zheng, Li-Fang ^{[1
]}

Wang, Lu-Ning ^{[2
]}

Wang, Zhao-Zhong ^{[1
]}

Wang, Li ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2018年 / 31卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Epoxy resins composites; Glass fibres; Fatigue strength; gamma-Ray irradiation; Thermal stabilities; MODEL COIL INSULATION; FIBER EPOXY COMPOSITE; MECHANICAL-PROPERTIES; BEPC-II; REACTOR IRRADIATION; TENSILE-STRENGTH; FLAME-RETARDANT; STORAGE-RING; NANOCOMPOSITES; RADIATION;

D O I：

10.1007/s40195-017-0692-2

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Glass fibres/epoxy resins composites have been performed as ideal materials to make support instruments for high-energy and nuclear physics experiments. The effects of the gamma-ray irradiation on the fatigue strength, thermal conductivities and thermal stabilities of the glass fibres/epoxy resins composites were investigated. And a two-parameter fatigue life model was established to predict the fatigue life of the composites. Results revealed that the gamma-ray irradiation could probably result in the degradation of epoxy resins, but hardly damage to the glass fibres. And the gamma-ray irradiation treatment could significantly affect the fatigue strength of the composites at a low-cycle fatigue stage, but seldom influence at a high-cycle fatigue stage. Furthermore, the fabricated glass fibres/epoxy resins composites after the gamma-ray irradiation still presented excellent fatigue strength, ideal thermal conductivities, remarkable dimensional and thermal stabilities, which can meet the actual requirements of normal operation for supporting instruments under high-energy and nuclear physics experiments.

引用

页码：105 / 112

页数：8

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