Morphological and structural characterizations of different oxides formed on the stainless steel by Nd:YAG pulsed laser irradiation

被引：15
作者：
Cui, Chengyun [1 ]
Hu, Jiandong [1 ]
Liu, Yuhua [1 ]
Gao, Kun [1 ]
Guo, Zuoxing [1 ]
机构：
[1] Jilin Univ, Coll Mat Sci & Engn, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2008年 / 254卷 / 20期
关键词：
stainless steel; Nd : YAG pulsed laser; oxides; XPS; TEM;
D O I：
10.1016/j.apsusc.2008.04.020
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effects of laser surface irradiation on microstructure of AISI 304 stainless steel were investigated. The stainless steel surface was characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM). XRD patterns indicated that different oxides, such as chromium oxides and manganese oxides were fabricated successfully on the surface of the stainless steel by Nd:YAG pulsed laser irradiation. The effects of the growth conditions such as the laser power density on the morphologies of the different oxides have been investigated. From the FESEM, EDS (energy-dispersive spectrum) and TEM observations, the oxides with triangle-like, quadrangular and hexagonal morphologies have been fabricated successfully. The XPS was used to verify the formed oxides which had been detected by the XRD patterns. It was considered that laser power density had a critical role in the formation of different oxides. (C) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码：6537 / 6542
页数：6
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