Thermal Stability of Nitrogen Expanded Austenite Formed by Plasma Nitriding on AISI304 Austenitic Stainless Steels
The effect of thermal annealing temperature on the microstructure and phase composition of nitrided layer formed on AISI 304 stainless steel by plasma nitriding were investigated. The phase composition and structure of the nitrided have been analyzed by X-ray diffraction (XRD) and scanning electron...
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| Veröffentlicht in: | Key engineering materials 2008-01, Vol.373-374, p.308-311 |
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| creator | Wang, Liang Li, Yang Wang, Yi Zuo |
| description | The effect of thermal annealing temperature on the microstructure and phase composition of
nitrided layer formed on AISI 304 stainless steel by plasma nitriding were investigated. The phase
composition and structure of the nitrided have been analyzed by X-ray diffraction (XRD) and
scanning electron microscopy (SEM). The XRD analysis of nitrided samples at 420oC showed the
presence of γN phase in the nitrided layer. The temperature at which the nitrogen expanded austenite
started to decompose was about 450oC. Above this critical temperature the γN phase transformed
into a mixture of CrN and α-phase. The surface hardness of nitrided layer also slightly changed
with annealing temperature. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.373-374.308 |
| format | Article |
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nitrided layer formed on AISI 304 stainless steel by plasma nitriding were investigated. The phase
composition and structure of the nitrided have been analyzed by X-ray diffraction (XRD) and
scanning electron microscopy (SEM). The XRD analysis of nitrided samples at 420oC showed the
presence of γN phase in the nitrided layer. The temperature at which the nitrogen expanded austenite
started to decompose was about 450oC. Above this critical temperature the γN phase transformed
into a mixture of CrN and α-phase. The surface hardness of nitrided layer also slightly changed
with annealing temperature.</description><identifier>ISSN: 1013-9826</identifier><identifier>ISSN: 1662-9795</identifier><identifier>EISSN: 1662-9795</identifier><identifier>DOI: 10.4028/www.scientific.net/KEM.373-374.308</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><ispartof>Key engineering materials, 2008-01, Vol.373-374, p.308-311</ispartof><rights>2008 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c371t-7719fc6ff7342463849c13ae5a5a3c29542023a2abdff976fe5873a067017d303</citedby><cites>FETCH-LOGICAL-c371t-7719fc6ff7342463849c13ae5a5a3c29542023a2abdff976fe5873a067017d303</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/27?width=600</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Wang, Liang</creatorcontrib><creatorcontrib>Li, Yang</creatorcontrib><creatorcontrib>Wang, Yi Zuo</creatorcontrib><title>Thermal Stability of Nitrogen Expanded Austenite Formed by Plasma Nitriding on AISI304 Austenitic Stainless Steels</title><title>Key engineering materials</title><description>The effect of thermal annealing temperature on the microstructure and phase composition of
nitrided layer formed on AISI 304 stainless steel by plasma nitriding were investigated. The phase
composition and structure of the nitrided have been analyzed by X-ray diffraction (XRD) and
scanning electron microscopy (SEM). The XRD analysis of nitrided samples at 420oC showed the
presence of γN phase in the nitrided layer. The temperature at which the nitrogen expanded austenite
started to decompose was about 450oC. Above this critical temperature the γN phase transformed
into a mixture of CrN and α-phase. The surface hardness of nitrided layer also slightly changed
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nitrided layer formed on AISI 304 stainless steel by plasma nitriding were investigated. The phase
composition and structure of the nitrided have been analyzed by X-ray diffraction (XRD) and
scanning electron microscopy (SEM). The XRD analysis of nitrided samples at 420oC showed the
presence of γN phase in the nitrided layer. The temperature at which the nitrogen expanded austenite
started to decompose was about 450oC. Above this critical temperature the γN phase transformed
into a mixture of CrN and α-phase. The surface hardness of nitrided layer also slightly changed
with annealing temperature.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/KEM.373-374.308</doi><tpages>4</tpages></addata></record> |
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| title | Thermal Stability of Nitrogen Expanded Austenite Formed by Plasma Nitriding on AISI304 Austenitic Stainless Steels |
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