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TiC-maraging stainless steel composite: microstructure, mechanical and wear properties
School of Material Science and Engineering, University of Science and Technology, Bejing.ORCID-id: 0000-0003-4888-6237
School of Material Science and Engineering, University of Science and Technology, Bejing.
School of Material Science and Engineering, University of Science and Technology, Bejing.
School of Material Science and Engineering, University of Science and Technology, Bejing.
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2006 (Odefinierat språk)Ingår i: Xiyou jinshu, ISSN 1001-0521, E-ISSN 1867-7185, Vol. 25, nr 6, s. 630-635Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Particulate TiC reinforced 17-4PH and 465 maraging stainless steel matrix composites were processed by conventional powder metallurgy (P/M). TiC-maraging stainless steel composites with theoretical density >97% were produced using conventional P/M. The microstructure, and mechanical and wear properties of the composites were evaluated. The microstructure of the composites consisted of (core-rim structure) spherical and semi-spherical TiC particles depending on the wettability of the matrix with TiC particles. In TiC-maraging stainless steel composites, 465 stainless steel binder phase showed good wettability with TiC particles. Some microcracks appeared in the composites, indicating the presence of tensile stresses in the composites produced during sintering. The typical properties, hardness, and bend strength were reported for the composites. After heat treatment and aging, an increase in hardness was observed. The increase in hardness was attributed to the aging reaction in maraging stainless steel. The specific wear behavior of the composites strongly depends on the content of TiC particles and their interparticle spacing, and on the heat treatment of the maraging stainless steel.

Ort, förlag, år, upplaga, sidor
2006. Vol. 25, nr 6, s. 630-635
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Materialteknik
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URN: urn:nbn:se:ltu:diva-14325DOI: 10.1016/S1001-0521(07)60004-7Lokalt ID: dad35eaa-40df-4684-a794-7fee55f42b1cOAI: oai:DiVA.org:ltu-14325DiVA, id: diva2:987280
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Upprättat; 2006; 20150416 (farakh)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2017-11-24Bibliografiskt granskad

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