Article ID Journal Published Year Pages File Type
1470129 Corrosion Science 2011 6 Pages PDF
Abstract

The fatigue strength of commercial SUS316L stainless steel was studied in PBS(−) (phosphate buffer solution) with different dissolved oxygen contents and CPBS (a 0.9 mass% NaCl-containing citric phosphate buffer solution) with different pH levels, i.e., 5.0, 6.0, and 7.5. The results obtained are as follows. (1) The fatigue behaviour in PBS(−) was hardly affected by the dissolved oxygen content. (2) The fatigue strength in a high-cycle region was much lower in CPBS of pH 7.5 than in PBS(−) of pH 7.5. (3) The fatigue strength in CPBS decreased with decreasing pH from 7.5 to 5.0.

► The fatigue behaviour in PBS(−) was hardly affected by the dissolved oxygen content. ► The fatigue strength was much lower in CPBS of pH 7.5 than in PBS(−) of pH 7.5. ► The fatigue strength in CPBS decreased with decreasing pH from 7.5 to 5.0. ► No pits were observed at crack initiation sites or on the specimen surface. ► These results might be explained the anodic polarisation properties of the steel.

Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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