Surface remelting treated high velocity arc sprayed FeNiCrAlBRE coating by tungsten inert gas
This study aims at evaluating the effect of the TIG (Tungsten Inert Gas) remelting treatment of self-fluxing FeNiCrAlBRE alloy coatings, formed by means of high velocity arc spraying on steel surfaces. The treated and untreated samples were subjected to comparative structural examination using scanning electron microscopes. For quantitative investigation of porosity, a computer image analyser was used. Additionally, the wear resistance and wear volume loss of the worn tracks before and after the remelting process were contrastively evaluated in details. After the sprayed coatings were treated by TIG remelting in a proper conditions, the microstructure examination of the remelted coatings showed that a change of the microstructure from lamellar to cellular structure. Also, the results show that the remelting process decrease the coating defects and make the coating more wearable.
high velocity arc spraying FeNiCrAlBRE alloy coatings TIG remelting process microstructure
H.L. Tian S.C.Wei Y.X. Chen H. Tong Y. Liu B.S. Xu
School of Materials Science and Engineering, Beijing University of Aeronautics & Astronautics, Beij National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072,
国际会议
北京
英文
716-719
2012-10-23（万方平台首次上网日期，不代表论文的发表时间）