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纳米力学科学与技术:国际期刊
ESCI SJR: 0.228 SNIP: 0.484 CiteScore™: 0.37

ISSN 打印: 2572-4258
ISSN 在线: 2572-4266

纳米力学科学与技术:国际期刊

Formerly known as Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanoSciTechnolIntJ.v8.i2.10
pages 85-94

EXTRUDABLE UHMWPE-BASED COMPOSITES: PROSPECTS OF APPLICATION IN ADDITIVE TECHNOLOGIES

S. V. Panin
Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences, 2/4 Akademicheskii Ave., Tomsk, 634055, Russia; National Research Polytechnic University, 30 Lenin Ave., Tomsk, 634050, Russia
L. A. Kornienko
Institute of Strength Physics and Material Science, Siberian Branch of the Russian Academy of Sciences, Russia, Tomsk
V. O. Aleksenko
Institute of Strength Physics and Material Science, Siberian Branch of the Russian Academy of Sciences, Russia, Tomsk; Tomsk Polytechnic University, Russia, Tomsk
L. R. Ivanova
Institute of Strength Physics and Material Science, Siberian Branch of the Russian Academy of Sciences, Russia, Tomsk
S. V. Shil’ko
Metal-Polymer Research Institute, National Academy of Sciences of Belarus, Belarus, Gomel
Yu. M. Pleskachevsky
Metal-Polymer Research Institute, National Academy of Sciences of Belarus, Belarus, Gomel

ABSTRACT

The mechanical and tribotechnical characteristics of UHMWPE compositions blended with block copolymers PP-b-LLDPE, PA-b-LLDPE, and PEX-b were investigated in order to produce wearresistant and extrudable polymer composites that can be used in additive production technologies. The introduction of a compatible polymer component into an ultrahigh-molecular-weight matrix in order to increase processability (extrudability) of UHMWPE is conditioned by the search for affordable and efficient wear-resistant extrudable polymer composites for 3D production technologies for manufacturing robust and wear-resistant products of complex shapes for tribojoints in machine building and medicine. Nanocomposites based on a modified extrudable matrix manifest wear resistance 4–5 times higher than wear resistance of the original UHMWPE. A supramolecular structure and the wear surface topography of nanocomposites based on extruded polymer–polymer matrices of UHMWPE with compatible block copolymers was investigated so as to clarify nanocomposite wear mechanisms.


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