摘要
分别以微米与纳米NiC/WC粉末为原料,采用活性燃烧超音速火焰喷涂技术制备了金属陶瓷涂层。采用最新的结合强度标准较准确地测试了涂层的结合强度,利用SEM分析了拉伸断口的成分分布和微观形貌。研究表明,用活性燃烧超音速火焰喷涂技术制备的纳米复合涂层的结合强度为163MPa。
Cermet coating was deposited by actived combustion-high velocity air fuel （AC-HVAF） technique with micro- and nano-scale NiCr/WC powder as raw material. Bonding strength of the coating was investigated based on the newest test standard. Composition distribution and micro-morphology of the tensile fracture were investigated by SEM. The result shows that the cement coating prepared by AC-HVAF has a bonding strength to the substrate of 163 MPa.
出处
《硬质合金》
CAS
北大核心
2009年第4期228-231,共4页
Cemented Carbides
基金
陕西省科技资助项目
编号2006K05-G16
关键词
热喷涂技术
纳米涂层
超音速喷涂技术
thermal spray technology, nano coating, supersonic spray coating technology
