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HIPing of rapidly solidified high-carbon steel powder
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
1988 (English)In: HIP: proceedings of the International Conference on Hot Isostatic Pressing, Luleå, 15-17 June 1987 / [ed] Tore Garvare, Luleå: CENTEK , 1988, 205-208 p.Conference paper (Refereed)
Abstract [en]

The investigated alloy had a nominal composition of Fe--1.6C--1Cr. HIP-parameteres used: T = 750, 650, 550 deg C, p = 200 MPa, t = 2 h. Even though densification is relatively easily achieved due to the small grain size, the surface contaminants (especially oxides) play a key roll in the bulk properties and create problems which increase as the HIP temperature decreases. The oxide solubility is too low for dissolution mechanisms to work, with the result that the fragmented oxide layer stays in the vicinity of the prior particle boundaries, influences the area of metallic bonding and thus decreases material performance (e.g. ductility). Photomicrographs

Place, publisher, year, edition, pages
Luleå: CENTEK , 1988. 205-208 p.
Research subject
Engineering Materials
URN: urn:nbn:se:ltu:diva-39875Local ID: ecb375a0-88d1-11de-8da0-000ea68e967bISBN: 91-86998-34-X (print)OAI: diva2:1013394
International Conference on Hot Isostatic Pressing : 15/06/1987 - 17/06/1987
Godkänd; 1988; 20090814 (andbra)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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