Microstructure and morphology of Cu-Zr-Ti coatings produced by thermal spray and treated by surface mechanical attrition

作者：Revesz A^*; Szommer P; Szabo P J; Varga L K

来源：Journal of Alloys and Compounds, 2011, 509: S482-S485.

DOI：10.1016/j.jallcom.2010.10.170

• Thermal spray
• Mechanical attrition
• Severe plastic deformation
• Cu

Cu-Zr-Ti powders were deposited onto Cu plates by thermal spray. Upon impact onto the substrate, the particles spread out and bond well to the substrate, yielding a well adhered surface layer. The coatings then were subjected to severe plastic deformation using surface mechanical attrition treatment in a high energy SPEX 8000 shaker mill by replacing the end cap of the milling vial with the coated targets. It is demonstrated that different mechanical treatments influence the microstructural and mechanical behavior of the Cu-Zr-Ti coating, moreover, a partial solid state amorphization takes place. Roughening of the interface between target and coating ensures strong bonding while the free surface is hard and smooth. Experiments were carried out using X-ray diffraction, scanning electron microscopy, energy dispersive X-ray analysis and hardness measurements.

• 出版日期2011-6