Structure and properties of ultra-high-molecular-weight polyethylene (UHMWPE) containing silver nanoparticles

被引：7
|
作者：
Timashev, P. S. [1 ,2 ]
Minaev, N. V. [1 ]
Terekhin, D. V. [3 ]
Kuznetsov, E. V. [2 ]
Parfenov, V. V. [4 ]
Malinovskaya, V. V. [4 ]
Bagratashvili, V. N. [1 ]
Parenago, O. P. [3 ]
机构：
[1] Russian Acad Sci, Inst Laser & Informat Technol, Moscow, Russia
[2] Karpov Inst Phys Chem, Moscow, Russia
[3] Russian Acad Sci, Topchiev Inst Petrochem Synth, Moscow, Russia
[4] Russian Acad Med Sci, Gamaleya Inst Epidemiol & Microbiol, Moscow, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2014年 / 8卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
supercritical carbon dioxide; superhigh-molecular polyethylene; organometal precursors; modification; nanoindentation; tribological characteristics; friction coefficient; DIFFUSION;
D O I：
10.1134/S1990793114080156
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Ultra-high molecular weight polyethylene (UHMWPE) containing silver particles was obtained by impregnation with a silver-containing precursor in supercritical carbon dioxide and its microstructure and mechanical properties were studied. The Ag-containing UHMWPE samples showed a 40-50% increase (on the average) in the elasticity modulus according to a study by the nanoindentation method. The hardness of the material did not change during modification. The friction coefficients of the starting and modified samples were comparable over the whole range of loads from 50 to 400 N under study.
引用
收藏
页码：1042 / 1048
页数：7
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