In:
Materials Science Forum, Trans Tech Publications, Ltd., Vol. 539-543 ( 2007-03-15), p. 1033-1037
Abstract:
Porous Ti compacts reinforced by ultra-high molecular weight polyethylene (UHMWPE)
were fabricated and their mechanical properties were evaluated. Ti powder atomized by plasma rotating electrode process (PREP) was sintered at temperatures ranging from 1473 K to 1673 K for
7.2 ks in a vacuum. The porous Ti compacts contain the porosity of about 40%, irrespective of the sintering temperature. Porous Ti/UHMWPE composites were successfully fabricated by compressing
UHMWPE powder into the porous Ti compacts. The compacts exhibit open pore structure and enables the penetration of UHMWPE into pores in the compacts. Young’s modulus of the composites
is higher than that of the porous Ti compacts. The increment in Young’s modulus is not simply explained by the rule of mixture because Young’s modulus of the UHMWPE is approximately 1.3
GPa. Three-point bending strength of the composites is improved, presumably due to the local stress relief by UHMWPE in the vicinity of neck in the composites.
Type of Medium:
Online Resource
ISSN:
1662-9752
DOI:
10.4028/www.scientific.net/MSF.539-543
DOI:
10.4028/www.scientific.net/MSF
DOI:
10.4028/www.scientific.net/MSF.539-543.1033
Language:
Unknown
Publisher:
Trans Tech Publications, Ltd.
Publication Date:
2007
detail.hit.zdb_id:
2047372-2
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