Investigation of fretting wear behavior of Inconel 690 alloy in tube/plate contact configuration

作者: X Mi , WX Wang , XM Xiong , H Qian , LC Tang

DOI: 10.1016/J.WEAR.2015.04.003

关键词: AdhesiveMetallurgyElectron microprobeLayer (electronics)DelaminationMaterials scienceAlloyInconelFrettingScanning electron microscope

摘要: Abstract Fretting wear tests of Inconel 690 alloy have been carried out at various temperatures (room temperature – RT, 90 °C, 200 °C and 285 °C) for tube/plate contact configuration. The worn surfaces cross-sectional morphologies were observed through scanning electron microscopy (SEM), energy dispersive X-ray (EDX) probe microanalysis (EPMA). Moreover, a particular debris cleaning method was used to remove particles effectively in order estimate exact volume. Overall, the results indicated that had great impact on fretting behavior mechanisms. With increase temperature, principal mechanisms changed from delamination combination adhesive wear, as demonstrated by presence an transfer layer 285 °C, instead compacted bed 90 °C. seemed protect better due reduction interaction surfaces. Finally, higher friction coefficient volume appeared lower (RT 90 °C), compared associated with (200 °C 285 °C).

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