Thermal Aging Effects on the Mechanical Behavior of Glass-Fiber-Reinforced Polyphenylene Sulfide Composites

被引：17
作者：
Deng, Jiangang [1 ,2 ]
Song, You [1 ,2 ]
Xu, Zhuolin [1 ,2 ]
Nie, Yu [1 ,2 ]
Lan, Zhenbo [1 ,2 ]
机构：
[1] State Grid Elect Power Res Inst, Wuhan Nari Ltd Liabil Co, Wuhan 430074, Peoples R China
[2] State Grid Elect Power Res Inst, Nanjing 210000, Peoples R China
来源：
POLYMERS | 2022年 / 14卷 / 07期
关键词：
GF; PPS; thermal aging; mechanical property; color difference; POLY(PHENYLENE SULFIDE); CRYSTALLIZATION; PERFORMANCE; MEMBRANE;
D O I：
10.3390/polym14071275
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this article, the thermal aging behavior of polyphenylene sulfide (PPS) composites, reinforced by 20% glass fibers (GFs), in thermal aging temperatures ranging from 85 to 145 degrees C was studied. Tensile and bending properties and color changes in the thermally aged samples were investigated. The results showed that thermal aging at this temperature range resulted in the degradation of mechanical properties. Both the tensile and flexural strength of the GF/PPS composites were significantly reduced after thermal aging at 145 degrees C. Decreased strength and brittle fracture were observed because thermal aging at high temperatures resulted in the deterioration of the interfaces between the GFs and PPS matrix. The degradation of the mechanical properties of the composite samples can be reflected by the color change, which means that the mechanical properties of the GF/PPS composite samples under thermal aging are predictable using color change analysis.
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页数：11
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