Effect of cryogenic temperatures on the failure strain and surface morphology of glass fiber

7th International Conference on Key Engineering Materials

材料科学;工业技术

Wang, Qingwei^1 ; Jian, Chen^2 ; Lida, Luo^1 ; Wei, Ning^2

State Key Laboratories for Modification of Chemical Fiber and Polymer Materials, Donghua University, Shanghai

201620, China^1

Engineering Research Center of Advanced Glasses Manufacturing Technology, MOE, Donghua University, Shanghai

201620, China^2

关键词: Cryogenic temperatures;    Failure strain;    Reinforced composites;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/201/1/012044/pdf
DOI  :  10.1088/1757-899X/201/1/012044

来源: IOP

【 摘 要 】

Glass fiber used as reinforced composite presented excellent properties and was used widely in various environment including cryogenic temperature. The failure strain and surface morphology of glass fiber dipped in the liquid nitrogen and room temperature were measured in the study. Through the comparison of two different environment, results showed the glass fiber present better failure strains compared to those at room temperature, and there are no visible defect in the surface of glass fiber after immerged into the liquid nitrogen. The reduction of failure strain in the room temperature would owe dominantly to the relative humidity, but the temperature just exercised less influence on it.