Mathematical description and evaluation of cavitation erosion resistance of materials

被引：19

作者：

Szkodo, A ^{[1
]}

机构：

[1] Univ Gdansk, Fac Mech Engn, PL-80952 Gdansk, Poland

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2005年 / 164卷

关键词：

cavitation erosion; evaluation; mathematical model;

D O I：

10.1016/j.jmatprotec.2005.01.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work presents a mathematical model describing the cavitation erosion of materials. The model of cavitation erosion is based on Weibull's distribution. The model describes the influence of material properties i.e. relative resistance to plastic deformation and the stress intensity factor of the hardened surface layer under cavitation loading on the cavitation erosion of materials. A new factor describing the cavitation erosion resistance of materials is proposed. The new coefficient R is a function of incubation time, maximum volume loss rate v(max) and time after which v(max) follows. The factor permits to evaluate materials according to their cavitation resistance. In addition, there is a possibility to define the influence of mechanical properties on the cavitation resistance, upon the base of the new factor values. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：1631 / 1636

页数：6

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