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cemented by Cu-based alloy was deposited on the substrate to produce milling tools by oxy-acetylene flame process. Microstructure and wear properties of the hardfacing layers were analyzed by scanning... strengthened by YT758/CuZnNi is approximately 2-3 times higher than that strengthened by YG8/CuZnNi. Key words: wear properties; hardmetal; hardfacing materials; CuZnNi alloy; milling tools CLC number: TG455......
the use of computed tomography for the evaluation of hardfacing. The method used in this research is hardfacing by tungsten inert gas using alloy wires of wear resistant layers. This paper discusses... of the substrate on the deposited alloy, typically assessed by dilution [5]. The beneficial technical and economic effects of regeneration and surface modification through the use of hardfacing......
Study on Y-Base Rare Earth Alloy in Ultra-High Hardfacing 李午申1,王宝森1,冯灵芝1,张亚梅1 (1.School of Materials Science & Engineering, Tianjin University, Tianjin 300072, China) Abstract:The effect of Y-base rare earth alloy in ultra-high hardfacing was observed by means of OM, SEM and XRD. Precipitated carbide can be metamorphosed and spheroidized in surfacing by adding Y-base rare earth alloy, which......
Formation of carbonitride precipitates in hardfacing alloy with niobium additionKe Yang,Qin Yang,Ye-Feng BaoCollege of Mechanical and Electrical Engineering, Hohai University摘 要:hardfacing alloy were studied by optical microscopy, scanning electron microscopy, and electron probe microanalyzer. The ther-modynamics and the effect on the matrix of the formation......
="ChDivSummary" name="ChDivSummary">The most effective carbide-forming elements titanium and niobium were added into hardfacing alloy.Formation and composition of carbides in the hardfacing alloy were investigated by means of optical microscope(OM),scanning electron microscope(SEM),X-ray diffraction(XRD)and energy-dispersive spectrometer(EDS).Hardness and impact toughness of the hardfacing alloy were......
Effect of cerium on abrasive wear behaviour of hardfacing alloy行舒乐,余圣甫,邓宇,戴明辉,余露State Key Laboratory of Material Forming and Mould & Die Designing,Huazhong University of Science and Technology摘 要:Hardfacing alloys with different amounts of ceria were prepared by self-shielded flux cored arc welding.The abrasion tests were carried out using the dry sand......
Effect of cerium on abrasive wear behaviour of hardfacing alloy行舒乐,余圣甫,邓宇,戴明辉,余露State Key Laboratory of Material Forming and Mould & Die Designing,Huazhong University of Science and Technology摘 要:Hardfacing alloys with different amounts of ceria were prepared by self-shielded flux cored arc welding.The abrasion tests were carried out using the dry sand......
Effect of Titanium Content on Microstructure and Wear Resistance of Hardfacing Alloy杨可,JIANG Yongfeng,BAO YefengCollege of Mechanical and Electrical Engineering, Hohai University摘 要:The hardfacing alloys with different concentrations of titanium were deposited on carbon steel substrates by shielded metal arc welding, and the effect of titanium content......
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Mechanism of Cracking Resistance of Hardfacing Specimens of Steel 5CrNiMo Improved by Rare Earth Oxide Ren Xuejun1,Li Da2,Dong Haifeng2,Yang Qingxiang2,Liao Bo2,Liu Ligang2 (1.School of Engineering... 066004, China) Abstract:The cracking morphology of the hardfacing specimens taken from steel 5CrNiMo was observed. Meanwhile, the residual stress fields were measured and simulated. Based......