Effects of yttrium and erbium ion implantation on the AISI 304 stainless steel passive layer

被引：26
作者：
Pedraza, F
Román, E
Cristóbal, MJ
Hierro, MP
Pérez, FJ [3 ]
机构：
[1] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain
[2] Univ Vigo, ETSII&M, Dept Ciencia Mat, Lagoas Marcosende 36210, Pontevedra, Spain
[3] Univ Complutense Madrid, Dept Ciencia Los Mat & Ingn Met, Lab Ingn Superficies Degradac & Durabilidad Mat, E-28040 Madrid, Spain
来源：
THIN SOLID FILMS | 2002年 / 414卷 / 02期
关键词：
yttrium and erbium implantation; stainless steel; Auger electron spectroscopy; X-ray photoelectron spectroscopy;
D O I：
10.1016/S0040-6090(02)00255-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the response of AISI 304 stainless steel after having been implanted with 10(17) ions/cm(2) doses of Y and Er at an acceleration potential of 150 keV is examined. Computational estimates of the implanted profile have been performed using the PROFILE code. The nature of the outermost surface of the steel, i.e. the passive layer and onwards is studied by means of Auger Electron Spectroscopy as well as X-Ray Photoelectron Spectroscopy techniques, supported by thermodynamics calculations. It is shown that the incorporation of both reactive elements in the steel surface brings about different changes in the nature of their respective passive layers. Both implanted ions induce oxidation of the base material to a certain extent, probably due to the implantation process itself giving rise to Cr2O3 and FeO and/or Fe-OH species, together with different RE oxides as well as Y(OH)3. (C) 2002 Elsevier Science B.V. All rights reserved.
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收藏
页码：231 / 238
页数：8
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