Effect of annealing process in water on the essential work of fracture response of ultra high molecular weight polyethylene

被引:7
作者
Yilmaz, Sinan [2 ]
Yilmaz, Taner [1 ,3 ]
Arici, A. Armagan [2 ]
机构
[1] Kocaeli Univ, Civil Aviat Coll, TR-41285 Izmit, Turkey
[2] Kocaeli Univ, Dept Mech Engn, TR-41380 Izmit, Turkey
[3] Kocaeli Univ, TR-41380 Izmit, Turkey
关键词
POLYPROPYLENE/CALCIUM CARBONATE COMPOSITES; FILM; TOUGHNESS; BEHAVIOR; TEMPERATURE; PEN;
D O I
10.1007/s10853-010-4996-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The toughness of ultra high molecular weight polyethylene (UHMWPE) before and after annealing process in water was investigated by the essential work of fracture (EWF) method. Annealing in water at 80 degrees C for various aging periods of the 5 mm thickness with various ligament lengths single edge notched tension (SENT) specimens was performed in hot water. Tensile tests were performed at 2 mm/min constant deformation rate at room temperature in order to determine EWF parameters. After tensile tests, the fracture cross-sections of SENT specimens were investigated by scanning electron microscope (SEM). From the 60th day of annealing process in water, it was seen that the fracture toughness of the material decreased while water absorption in samples increased.
引用
收藏
页码:1758 / 1766
页数:9
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