Dynamic Mechanical Analysis and Three-Body Abrasive Wear Behaviour of Thermoplastic Copolyester Elastomer Composites

IF 1.5 Q3 ENGINEERING, MECHANICAL
H. Rajashekaraiah, Sekar Mohan, P. K. Pallathadka, Suresha Bhimappa
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引用次数: 30

Abstract

Various amounts of short fibers (glass and carbon) and particulate fillers like polytetrafluoroethylene (PTFE), silicon carbide (SiC), and alumina (Al2O3) were systematically introduced into the thermoplastic copolyester elastomer (TCE) matrix for reinforcement purpose. The mechanical properties such as storage modulus, loss modulus, and Tan δ by dynamic mechanical analysis (DMA) and three-body abrasive wear performance on a dry sand rubber wheel abrasion tester have been investigated. For abrasive wear study, the experiments were planned according to orthogonal array by considering three factors and three levels. The complex moduli for TCE hybrid composites were pushed to a higher level relative to the TCE filled PTFE composite. At lower temperatures (in the glassy region), the storage modulus increases with increase in wt.% of reinforcement (fiber
热塑性共聚酯弹性体复合材料的动态力学分析及三体磨粒磨损行为
不同数量的短纤维(玻璃和碳)和颗粒填料,如聚四氟乙烯(PTFE),碳化硅(SiC)和氧化铝(Al2O3)被系统地引入热塑性共聚弹性体(TCE)基体中以增强目的。通过动态力学分析(DMA)研究了材料的储存模量、损耗模量和Tan δ等力学性能,并在干砂橡胶轮磨损试验机上研究了三体磨粒磨损性能。在磨料磨损研究中,采用三因素三水平正交法规划试验。与TCE填充PTFE复合材料相比,TCE杂化复合材料的复合模量提高了。在较低的温度下(在玻璃区),存储模量随着增强纤维wt %的增加而增加
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来源期刊
Advances in Tribology
Advances in Tribology ENGINEERING, MECHANICAL-
CiteScore
5.00
自引率
0.00%
发文量
1
审稿时长
13 weeks
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