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Title: Effect of heat treatment conditions and densities on residual stresses at hybrid (FLN2-4405) P/M steels
Authors: Kafkas, Firat
Karataş, Cetin
Sarıtaş, Seyman
Keywords: residual stresses
P/M Steels
post sintering
layer removal technique
electrochemical machining
Issue Date: 2007
Publisher: Trans Tech Publications Ltd
Abstract: The characteristics of residual stresses occurring in PM steel based nickel (FLN2-4405) was investigated. Residual stresses were measured by electrochemical layer removal technique. The values and distributions of residual stresses occurring in PM steel processed under various densities (6.8, 7.05, 7.2 and 7.4 g/cm(3)) and heat treatment conditions (sintered at 2050 degrees F, sintered at 2300 degrees F, quenching-tempered, and sinter-hardened) were determined. In most of the experiments, tensile residual stresses were recorded on the surface of the samples. The residual stress distribution on the surface of the PM steels was found to be affected by the heat treatment conditions and density. The maximum values of residual stresses on the surface showed sinter hardened condition and a density of 7.4 g/cm(3). The minimum level of recorded tensile residual stresses are 150 MPa and its maximum level is 370 MPa.
Description: Power Metallurgy World Congress and Exhibition 2006 -- SEP 24-28, 2006 -- Busan, SOUTH KOREA
ISBN: 978-0-87849-419-4
ISSN: 0255-5476
Appears in Collections:WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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