Effects of Temperature on Fretting Corrosion Between Alloy 690TT and 405 Stainless Steel in Pure Water

作者: Xing-Chen Liu , Hong-Liang Ming , Zhi-Ming Zhang , Jian-Qiu Wang , Li-Chen Tang

DOI: 10.1007/S40195-019-00929-9

关键词:

摘要: In pressurized water reactor, fretting corrosion has become the main reason for failure of 690TT heat exchanger tubes. The effect temperature on behavior between tube and 405 stainless steel (SS) bar been studied during 106 cycles. overall average coefficient friction (COF) values descends with an increase in test temperature, while width worn scar becomes wider. severest happens when is at 100 °C. wear mechanism differs different temperatures, from adhesive room to abrasive delamination 100 °C, 200 °C. Deformation slips, high residual strain concentration, micro-cracks are found which disadvantageous further service performance

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