Development of Superabrasive Composite Layers through Thermo-Kinetic Coating-Technologies
Superabrasive composite materials are typically used for grinding stone, minerals and concrete. Sintering and brazing are the key manufacturing technologies for grinding tools production. But restricted geometry-flexibility, absence of repair possibilities for damaged tool surfaces as well as difficulties in controlling materials interfaces are main weaknesses of these production processes. Thermal spraying offers the possibility to avoid these restrictions. In this research work a fabrication method based on the detonation flame spraying technology has been investigated to bond large superabrasive particles (150 – 600 μm, needed for grinding minerals and stones) in a metallic matrix. Layer morphology and bonding quality are evaluated with respect to superabrasive material, geometry, spraying- and powder-injection-parameters. Influences of process temperature and possibilities of thermal treatment of MMClayers are analyzed.
W. Tillmann J. Nebel E. Vogli
Institute of Materials Engineering, Dortmund, Germany
国际会议
北京
英文
2007-05-14（万方平台首次上网日期，不代表论文的发表时间）