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Stainless steel binder for the development of novel TiC-reinforced steel cermets
University of Science and Technology Beijing, School of Materials Science and Engineering.ORCID-id: 0000-0003-4888-6237
University of Science and Technology Beijing, School of Materials Science and Engineering.
University of Science and Technology Beijing, School of Materials Science and Engineering.
University of Science and Technology Beijing, School of Materials Science and Engineering.
2006 (engelsk)Inngår i: Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material, Vol. 13, nr 6, s. 546-550Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Steel reinforced TiC composites are an attractive choice for wear resistance and corrosion resistance applications. TiC-reinforced 17-4PH maraging stainless matrix composites were processed by conventional powder metallurgy (P/M). TiC-reinforced maraging stainless steel composites with >97% of theoretical density were fabricated. The microstructure, mechanical and wear properties of the composites were evaluated. The microstructure of these composites consisted of spherical and semi-spherical TiC particles. A few microcracks appeared in the composites, showing the presence of tensile stress in the composites produced during sintering. Typical properties, namely, hardness and bend strength were reported for the sintered composites. After heat treatment and aging, the increase of hardness was observed. The increase of hardness was attributed to the aging reaction in the 17-4PH stainless steel. The precipitates appeared in the microstructure and were responsible for the increase in hardness. The specific wear behavior of the composites was strongly dependent on the content of TiC particles, the interparticle spacing, and the presence of hard precipitates in the binder phase.

sted, utgiver, år, opplag, sider
2006. Vol. 13, nr 6, s. 546-550
HSV kategori
Forskningsprogram
Materialteknik
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URN: urn:nbn:se:ltu:diva-11563DOI: 10.1016/S1005-8850(06)60111-4Lokal ID: a9081793-cf60-4640-bad2-ab0bb05e405dOAI: oai:DiVA.org:ltu-11563DiVA, id: diva2:984513
Merknad
Upprättat; 2006; 20150416 (farakh)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2017-11-24bibliografisk kontrollert

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