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Y-TZP/氧化铝(板晶)复相陶瓷的砂浆冲蚀磨损 被引量:1

Slurry Wear Characteristics of Y-TZP/Alumina(Platelet) Composites
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摘要 以带有玻璃涂层的氧化铝微粉、小尺寸板晶(样板晶)和钇稳定四方氧化锆(3Y-TZP)微粉为原料,在常压下通过样板晶生长制备了氧化铝板晶体积分数为50%的Y-TZP/氧化铝(板晶)复相陶瓷.采用砂浆喷射装置,砂浆流速为10~40 m/s,冲击角为90°~15°,对比研究了该复相陶瓷和3Y-TZP陶瓷的砂浆冲蚀磨损.结果表明,2种材料的磨损率在75°~60°之间均出现最大值.磨损率大小受到材料自身硬度的影响,磨损率值随着砂浆流速的增加而增加. Using alumina platelets and powders coated with 3% mass fraction CaO -2Si02 glass and yttria-stabilized zirconia (3Y-TZP) powders as starting materials, Y-TZP/platelet-alumina composites with up to 50% volume fraction α-Al2O3 platelets were prepared in atmospheric pressure by templated grain growth. Slurry wear tests were carried out for the composites and yttria-stabilized zirconia ceramic (3Y-TZP). The slurry jet test apparatus was used for the slurry wear test. The flow velocity was 10 -40 m/s,and the impingement angle range from 90°to 15 °. It is found that the volume loss rate of the materials at 30 m/s shows a peak at an impingement between 75° to 60°. The hardness influences the slurry wear resistance of the materials. The volume loss rate of the materials is increased with an increased flow rate of the slurry.
出处 《润滑与密封》 CAS CSCD 北大核心 2007年第8期63-65,共3页 Lubrication Engineering
基金 教育部科学技术重点项目(106151) 国家863计划资助项目(2002A33082)
关键词 Y-TZP/氧化铝(板晶)复相陶瓷 3Y-TZP 砂浆冲蚀磨损 Y-TZP/platelet alumina composites 3Y-TZP slurry wear
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