Cavitation erosion of 17-4 PH stainless steels following sub-zero treatment-Reference-Cited by-同舟云学术

Cavitation erosion of 17-4 PH stainless steels following sub-zero treatment

Published:2017-11-25 Issue:12 Volume:108 Page:1099-1102
ISSN:2195-8556
Container-title:International Journal of Materials Research
language:en
Short-container-title:

Author:

Mitelea Ion¹,Bordeaşu Ilare²,Katona Ştefan-Eusebiu²,Crăciunescu Corneliu Marius¹

Affiliation:

1. Department of Materials and Manufacturing Engineering , Politehnica University Timisoara , Romania

2. Department of Mechanical Machines , Equipment & Transportation, Politehnica University Timisoara , Romania

Abstract

Abstract The effect of sub-zero treatment on 17-4 PH stainless steels is analysed based on ultrasonic cavitation experiments conducted on a vibratory machine with piezoceramic crystals. The results prove that the proposed treatment (solution treatment + sub-zero cooling + tempering), favours a reduction, by about 40%, of the mean depth of erosion, and mean depth erosion rate after 165 min of erosion by vibratory cavitation, compared to the solution treatment. The improvement of the cavitation erosion behaviour is explained based on hardness, metallographic and X-ray diffraction analysis.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

Link

https://www.degruyter.com/document/doi/10.3139/146.111574/pdf

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