Cavitation erosion of NiAl

被引：13

作者：

Akhtar, A ^{[1
]}

Salvi, R

Sikka, VK

机构：

[1] Powertech Labs Inc, Mat Engn, Surrey, BC V3W 7R7, Canada

[2] Univ British Columbia, Dept Mat & Met Engn, Vancouver, BC V5Z 1M9, Canada

[3] Soligen Technol Inc, Northridge, CA USA

[4] Oak Ridge Natl Lab, Div Met & Ceram, Mat Proc Grp, Oak Ridge, TN USA

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1999年 / 30卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1007/s11661-999-0322-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Vibratory cavitation erosion tests were carried out on as-cast NiAl intermetallic compounds containing 46.5 to 62.1 at, pet Ni. The erosion rate decreased with increasing nickel content by over two orders of magnitude, from a high of 16.4 to 0.11 mg.h(-1). These low erosion rates exhibited by the nickel-rich alloys containing 58 and 62 at. pet Ni, the interruptions in their mass loss with time, and the unusual effects associated with surface finish and intensity of cavitation were found to be associated with the stress-induced martensitic transformation. Alloys containing 58 to 62 at, pet Ni have the potential for use as materials for the cavitation protection of hydraulic machinery.

引用

页码：335 / 343

页数：9

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