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Microstructure and properties of heat-treated 440C martensitic stainless steel

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Main Authors: Siti Hawa, Mohamed Salleh, Mohd Nazree, Derman, Dr., Mohd Zaidi, Omar, Junaidi, Syarif, Shahrum, Abdullah
Other Authors: sitihawa @unimap.edu.my
Format: Article
Language:English
Published: Trans Tech Publications 2014
Subjects:
Carbide
Martensitic stainless steel
Precipitation hardening
Secondary hardening
Tempering
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/36101
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spelling my.unimap-361012014-07-08T08:23:04Z Microstructure and properties of heat-treated 440C martensitic stainless steel Siti Hawa, Mohamed Salleh Mohd Nazree, Derman, Dr. Mohd Zaidi, Omar Junaidi, Syarif Shahrum, Abdullah sitihawa @unimap.edu.my nazree@unimap.edu.my zaidi@eng.ukm.my syarif@eng.ukm.my shahrum@eng.ukm.my Carbide Martensitic stainless steel Precipitation hardening Secondary hardening Tempering Link to publisher's homepage at http://www.ttp.net/ 440C martensitic stainless steels are widely used because of their good mechanical properties. The mechanical properties of 440C martensitic stainless steel were evaluated after heat treatment of these materials at various types of heat treatment processes. The initial part of this investigation focused on the microstructures of these 440C steels. Microstructure evaluations from the as-received to the as-tempered condition were described. In the as-received condition, the formations of ferrite matrix and carbide particles were observed in this steel. In contrast, the precipitation of M7C3 carbides and martensitic structures were present in this steel due to the rapid quenching process from the high temperature condition. After precipitation heat treatment, the Cr-rich M23C6 carbides were identified within the structures. Moreover, a 30 minutes heat-treated sample shows the highest value of hardness compared to the others holding time. Finally, the tempering process had been carried out to complete the whole heat treatment process in addition to construct the secondary hardening phenomenon. It is believed that this phenomenon influenced the value of hardness of the 440C steel. 2014-07-08T08:23:03Z 2014-07-08T08:23:03Z 2013-02 Article Defect and Diffusion Forum, vol.334-335, 2013, pages 105-110 1662-9507 http://dspace.unimap.edu.my:80/dspace/handle/123456789/36101 http://www.scientific.net/DDF.334-335.105 10.4028/www.scientific.net/DDF.334-335.105 en Trans Tech Publications
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Carbide
Martensitic stainless steel
Precipitation hardening
Secondary hardening
Tempering
spellingShingle Carbide
Martensitic stainless steel
Precipitation hardening
Secondary hardening
Tempering
Siti Hawa, Mohamed Salleh
Mohd Nazree, Derman, Dr.
Mohd Zaidi, Omar
Junaidi, Syarif
Shahrum, Abdullah
Microstructure and properties of heat-treated 440C martensitic stainless steel
description Link to publisher's homepage at http://www.ttp.net/
author2 sitihawa @unimap.edu.my
author_facet sitihawa @unimap.edu.my
Siti Hawa, Mohamed Salleh
Mohd Nazree, Derman, Dr.
Mohd Zaidi, Omar
Junaidi, Syarif
Shahrum, Abdullah
format Article
author Siti Hawa, Mohamed Salleh
Mohd Nazree, Derman, Dr.
Mohd Zaidi, Omar
Junaidi, Syarif
Shahrum, Abdullah
author_sort Siti Hawa, Mohamed Salleh
title Microstructure and properties of heat-treated 440C martensitic stainless steel
title_short Microstructure and properties of heat-treated 440C martensitic stainless steel
title_full Microstructure and properties of heat-treated 440C martensitic stainless steel
title_fullStr Microstructure and properties of heat-treated 440C martensitic stainless steel
title_full_unstemmed Microstructure and properties of heat-treated 440C martensitic stainless steel
title_sort microstructure and properties of heat-treated 440c martensitic stainless steel
publisher Trans Tech Publications
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/36101
_version_ 1643798011816443904
score 13.214268

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