Mechanical and three-body abrasive wear behaviour of PMMA/TPU blends

被引：41
|
作者：
Poomali [2 ]
Siddaramaiah [3 ]
Suresha, B. [1 ]
Lee, Joong-Hee [4 ]
机构：
[1] Natl Inst Engn, Dept Mech Engn, Mysore 570006, Karnataka, India
[2] Cent Inst Plast Engn & Technol, IDA, Hyderabad 500051, Andhra Pradesh, India
[3] SJ Coll Engn, Dept Polymer Sci & Technol, Mysore 570006, Karnataka, India
[4] Chonbuk Natl Univ, Dept Polymer & Nano Sci & Technol, Bin Fus Res Team, Jeonju 561756, Jeonbuk, South Korea
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2008年 / 492卷 / 1-2期
关键词：
mechanical properties; three-body wear; PMMA/TPU blends; worn surface features;
D O I：
10.1016/j.msea.2008.03.018
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The blends of poly(methyl methacrlate) (PMMA) and thermoplastic polyurethane (TPU) were prepared by a Brabender co-twin screw extruder. The mechanical and three-body abrasive wear behaviour of PMMA/TPU blends has been studied. Three-body abrasive wear tests were conducted using rubber wheel abrasion tester (RWAT) under different abrading distances at 200 rpm and 22 N load. A significant reduction in tensile strength and tensile modulus with an increase in TPU content in the blend formulation was observed. Three-body abrasive wear results indicate that the wear volume increases with increase in abrading distance for all the samples studied. However, neat PMMA showed better wear resistance as compared to PMMA/TPU blends. The worn surface features, as examined through scanning electron microscope (SEM), show matrix cracking and deep furrows in PMMA/TPU blends. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：486 / 490
页数：5
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