Constituted oxides/nitrides on nitriding 304, 430 and 17-4 PH stainless steel in salt baths over the temperature range 723 to 923 K

NCU Institutional Repository > 工學院 > 機械工程學系 > 期刊論文 > Item 987654321/50205

jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/50205

题名:	Constituted oxides/nitrides on nitriding 304, 430 and 17-4 PH stainless steel in salt baths over the temperature range 723 to 923 K
作者:	Shih,TS;Huang,YS;Chen,CF
贡献者:	機械工程學系
关键词:	POST-OXIDATION PROCESS;SURFACE MICROSTRUCTURE;XPS;NITROGEN;QPQ;CARBON;FILMS;ESCA;AES
日期:	2011
上传时间:	2012-03-27 17:06:25 (UTC+8)
出版者:	國立中央大學
摘要:	The progressively developed oxides and nitrides that form on nitriding 304, 430 and 17-4 PH stainless steel are analysed by X-ray Diffraction (XRD) and X-ray Photoelectron Spectroscopy (XPS) in this study. The experimental results show that the Cr contents and matrix structures (ferrite, austenite and martensite) play an important role in forming FeCr(2)O(4), Cr(2)O(3) and Fe(2)O(3) oxides as well as nitrides. After a short immersion time, oxides of Cr(2)O(3) and FeCr(2)O(4) form in nitride films on 304 stainless steel samples. Fe(2)O(3) oxide will subsequently form following an increasing immersion time. For the 430 stainless steel, Cr(2)O(3) predominately forms after a short dipping time which hinders the growth of the nitride layer. As a result, this sample had the thinnest nitride film of the three for a given immersion time. After the formation of oxides, both CrN and Cr(2)N were detected near the surface of the nitride films of three samples while Cr(2)N phases formed in the deeper zone. The greatest amount of Fe(2)O(3) oxide among the three samples was obtained on the nitriding 17-4 PH stainless steel which also had a high intensity count of N 1s. (C) 2011 Elsevier B. V. All rights reserved.
關聯:	APPLIED SURFACE SCIENCE
显示于类别:	[機械工程學系] 期刊論文

文件中的档案:

档案	描述	大小	格式	浏览次数
index.html		0Kb	HTML	519	检视/开启

在NCUIR中所有的数据项都受到原著作权保护.

社群 sharing

数据加载中.....