Tungsten carbide(WC-10Co4Cr) cermet coating was deposited by high velocity oxygen fuel(HVOF). The microstructure and properties of the coating were investigated by SEM, neutral salt spray test(NSS) and rotating bending fatigue test(RBF). The results show that the WC coating exhibites compact structure with good adhesion to the substrate.Compared with the traditional Cr-plating, the WC coating has much more hardness and abrasion resistance. More importantly,the WC coating shows more significant corrosion res...
【基金】
国家自然科学基金资助项目(51101038)
【更新日期】
2015-06-18
【分类号】
TG174.4
【正文快照】
40Cr Ni Mo A钢是一种优良的调质钢[1],具有很好的渗透性,调质状态下,能在大载面积上获得均匀的、配合良好的强度和韧性,有较高的疲劳强度和低的缺口敏感性,低温冲击韧度也很高,无明显的回火脆性。在淬火低温回火后也有较好的综合力学性能,可作超高强度钢使用,已成为目前飞机结
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