The resistance to cavitation erosion of CrMnN stainless steels

被引：28
|
作者：
Fu, WT [1 ]
Yang, YB
Jing, TF
Zheng, YZ
Yao, M
机构：
[1] Yanshan Univ, Dept Mat Engn, Qinhuangdao 066004, Peoples R China
[2] Harbin Inst Technol, Harbin 150006, Peoples R China
[3] Bohai Aluminum Ind Co Ltd, Qinhuangdao, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 1998年 / 7卷 / 06期
关键词：
austenite; cavitation erosion; CrMnN steels; hydraulic turbines; Mossbauer spectra;
D O I：
10.1361/105994998770347396
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The resistance to cavitation erosion (CE) was measured using a magnetostrictive device and a rotating disk device for some CrMnN stainless steels (Chinese patent ZL 90 1 02197.0). The microstructural changes in the surface layer before and after CE were analyzed by use of Mossbauer spectra, Results show that the resistance to CE of duplex austenitic-martensitic CrMnN stainless steels is much better than that of ZG0Cr13Ni4-6Mo and ZG0Cr16Ni5Mo steel, which are in common use for hydraulic turbine runners. The metastable austenite and its changes in the process of CE are the key factors why the CrMnN stainless steels have excellent resistance to cavitation erosion.
引用
收藏
页码：801 / 804
页数：4
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