Journal
CORROSION SCIENCE
Volume 66, Issue -, Pages 5-13Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.08.034
Keywords
Stainless steel; Erosion; Polarization; Pitting corrosion
Funding
- National Natural Science Foundation of China [51105179, 51275220]
- China Postdoctoral Science Special Foundation [2012T50438]
- Natural Science Foundation of Jiangsu Province [BK2011478, BK2010352]
- National Science Foundation for Post-doctoral Scientists of China [20110491349]
- College Industrialization Project of Jiangsu Province [JHB2011-38]
- Jiangsu Postdoctoral Science Foundation in China [1101018B]
- Natural Science Foundation of the Jiangsu Higher Education Institutions in China [10KJB460001]
- Innovation Program of Graduated Student of Jiangsu Province [CXZZ11_0546, CX10B_330Z]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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Effects of laser shock processing (LSP) on electrochemical corrosion resistance of weldments after cavitation erosion were investigated by X-ray diffraction (XRD) technology, scanning electron microscope (SEM), roughness tester and optical microscope (OM). Some main factors to influence erosion and corrosion of weldments, residual stresses, surface roughness, grain refinements and slip, were discussed in detail. Results show that LSP impacts can induce compressive residual stresses, decrease surface roughness, refine grains and generate the slip. Thus, the erosion and corrosion resistance with LSP impacts is improved. Crown Copyright (c) 2012 Published by Elsevier Ltd. All rights reserved.
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