Properties of Al2O3-TiO2 Coating Prepared by Plasma Spraying with An Internally-Fed Powder System
Alumina-titania (60∶40 by weight) coatings were prepared by low power plasma thermal spraying with two types of plasma spray systems:internally-fed and externally-fed powder system.The coatings were investigated by many techniques,respectively X-ray diffraction (XRD),scanning electron microscopy (SEM) and micro-hardness tester.It was found that the thickness of coatings by low power plasma spray with an internally-fed powder system is higher than that of the coatings with an externally-fed powder system.The internally-fed powder system not only decreases the loss of powder but also increases the deposition efficiency for more than 80%.To better qualify the characteristics of these coatings prepared from spray-dried powders,microhardness was also studied.
Plasma spraying Internally-fed powder system Alumina-titania
Feng Zhou Yingqing Fu Yang Gao
Electromechanical and Materials Engineering College of Dalian Maritime University,Dalian 116026,P.R.China
国际会议
The Fifth China International Conference on High-Performance Ceramics (第五届先进陶瓷国际研讨会(CICC-5))
长沙
英文
1274-1276
2007-05-10（万方平台首次上网日期，不代表论文的发表时间）