TiNiNb合金的空蚀  

Cavitation Erosion of TiNiNb Alloy

作　　者：龙霓东[1] 朱金华[1] 

机构地区：[1]西安交通大学

出　　处：《稀有金属材料与工程》2003年第9期740-743,共4页Rare Metal Materials and Engineering

基　　金：国家自然科学基金重点项目(59831030);国家重点基础研究专项经费资助项目(G19990650)

摘　　要：利用旋转圆盘装置研究了TiNiNb合金和0Cr13Ni5Mo不锈钢的空蚀行为,并用洛氏硬度仪模拟空蚀过程中微射流所产生的局部载荷对TiNiNb合金和0Cr13Ni5Mo不锈钢的作用,结果表明,TiNiNb合金的抗空蚀性能优于0Cr13Ni5Mo。在压痕试验中,TiNiNb合金能吸收高于0Cr13Ni5Mo的弹性能,该性能特点使TiNiNb合金在空蚀过程中能吸收和释放较多的冲击能量,减少损失,呈现良好的抗空蚀性能。The cavitation erosion of TiNiNb alloy and 0Cr13Ni5Mo stainless steel was investigated using rotating disc equipment. To simulate the effect of the collapse of vapor cavities or bubbles, a Rockwell hardness tester was used to exert a load on the surface areas of the alloys. The results show that the cavitation erosion resistance of TiNiNb is greater than that of 0Cr13Ni5Mo. The TiNiNb alloy is more elastic than 0Cr13Ni5Mo stainless steel in the indentation test, thereby permitting TiNiNb to absorb and relieve more impact energy during cavitation erosion. This reduces volume loss, and leads to excellent cavitations erosion resistance.

关 键 词：空蚀 TININB合金 能量 

分 类 号：TG172[金属学及工艺—金属表面处理]