XPS and SEM characterization of wheel/workpiece interface in grinding of superalloy
作者： Xipeng Xu , Yiqing Yu
DOI: 10.1002/SIA.1225
关键词: Thermocouple 、 Abrasive 、 X-ray photoelectron spectroscopy 、 Nickel 、 Oxide 、 Materials science 、 Metallurgy 、 Grinding 、 Scanning electron microscope 、 Superalloy
摘要: An investigation is reported of the physical and chemical reactions at wheel/workpiece interface during grinding a nickel-based superalloy K417. The temperature was measured using workpiece–foil thermocouple forces were detected dynamometer. Scanning electron microscopy used to examine deformations on ground workpiece surfaces wear characteristic abrasive grits. composition, surfaces, depth composition thickness oxide layers determined by XPS its profile technique. A different burning colour found when temperatures are >990 °C. Along with emergence colour, adhesion occurs between grits workpiece, causing plastically deformed coatings appear gradually spread surfaces. model proposed account for process formation Analysis reveals that take place due high generated in grinding, transfer films composed such oxides as Ni2O3, TiO2, Cr2O3 A12O3 formed depends films, which be closely related temperature. Copyright © 2002 John Wiley & Sons, Ltd.
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