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Enhancement of intergranular corrosion resistance of type 304 stainless steel through a novel surface thermo-mechanical treatment.
- Source :
-
Surface & Coatings Technology . Oct2013, Vol. 232, p920-927. 8p. - Publication Year :
- 2013
-
Abstract
- Abstract: An experimental study is carried out on a novel surface thermo-mechanical treatment involving conventional shot blasting and laser surface treatment, for enhancing inter-granular corrosion resistance of type 304 stainless steel. The modified surface exhibited fine re-crystallized austenite grains. A non-destructive approach of monitoring width of γ(311) diffraction peak through a portable X-ray diffraction was adopted, to determine micro-structural state on the thermo-mechanically treated surface. The results of the study have demonstrated that laser-assisted surface thermo-mechanical treatment of type 304 stainless steel is effective not only for enhancing material's inherent resistance against sensitization and inter-granular corrosion due to its subsequent exposure to susceptible temperature regime but also for reducing inter-granular corrosion susceptibility of pre-sensitized specimens. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 02578972
- Volume :
- 232
- Database :
- Academic Search Index
- Journal :
- Surface & Coatings Technology
- Publication Type :
- Academic Journal
- Accession number :
- 90102752
- Full Text :
- https://doi.org/10.1016/j.surfcoat.2013.06.124