Effect of UHMWPE powder size onto tribological and mechanical properties of composites loaded with functionalized chopped glass fibers

S. Panin, Qitao Huang, L. Kornienko, D. Buslovich, V. O. Alexenko
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引用次数: 2

Abstract

Mechanical and tribological properties of UHMWPE composites with the different initial polymer powder size filled with chopped glass fibers (CGF) functionalized with silane-containing KH550 modifier aimed at increase adhesion were studied. It is shown that the various initial powder size at an equivalent molecular weight determines the pattern of glass fiber distribution in the matrix, and, as a consequence, the mechanical and tribotechnical properties of the composites. It was revealed that glass fiber reinforced composite based on fine UHMWPE powder grade GUR-2122 possesses higher tribomechanical properties in contrast with coarse grade GUR-4120 one. For practical antifriction applications the “UHMWPE 2122 + 10 wt. % CGF” composite is recommended loaded with the glass fibers functionalization with the KH550 silane-based industrially manufactured coupling agent.Mechanical and tribological properties of UHMWPE composites with the different initial polymer powder size filled with chopped glass fibers (CGF) functionalized with silane-containing KH550 modifier aimed at increase adhesion were studied. It is shown that the various initial powder size at an equivalent molecular weight determines the pattern of glass fiber distribution in the matrix, and, as a consequence, the mechanical and tribotechnical properties of the composites. It was revealed that glass fiber reinforced composite based on fine UHMWPE powder grade GUR-2122 possesses higher tribomechanical properties in contrast with coarse grade GUR-4120 one. For practical antifriction applications the “UHMWPE 2122 + 10 wt. % CGF” composite is recommended loaded with the glass fibers functionalization with the KH550 silane-based industrially manufactured coupling agent.
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超高分子量聚乙烯粉体粒径对功能化短切玻璃纤维负载复合材料摩擦学和力学性能的影响
研究了以硅烷改性剂KH550为增粘剂的短切玻璃纤维(CGF)填充不同初始粒径的超高分子量聚乙烯复合材料的力学和摩擦学性能。结果表明,相同分子量的不同初始粉末大小决定了玻璃纤维在基体中的分布模式,从而决定了复合材料的力学和摩擦技术性能。结果表明,细粒UHMWPE粉末级玻璃纤维增强复合材料gurr -2122比粗粒UHMWPE粉末级玻璃纤维增强复合材料gurr -4120具有更高的摩擦力学性能。对于实际的减摩应用,“UHMWPE 2122 + 10 wt. % CGF”复合材料推荐加载玻璃纤维功能化与KH550硅烷基工业制造的偶联剂。研究了以硅烷改性剂KH550为增粘剂的短切玻璃纤维(CGF)填充不同初始粒径的超高分子量聚乙烯复合材料的力学和摩擦学性能。结果表明,相同分子量的不同初始粉末大小决定了玻璃纤维在基体中的分布模式,从而决定了复合材料的力学和摩擦技术性能。结果表明,细粒UHMWPE粉末级玻璃纤维增强复合材料gurr -2122比粗粒UHMWPE粉末级玻璃纤维增强复合材料gurr -4120具有更高的摩擦力学性能。对于实际的减摩应用,“UHMWPE 2122 + 10 wt. % CGF”复合材料推荐加载玻璃纤维功能化与KH550硅烷基工业制造的偶联剂。
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