NDLI: Effects of Water Jet Peening and Hardening Treatment on Fatigue Properties of SCr420

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Shimamoto, Akira Kubota, Ryo Yang, Sung-Mo Choi, Dae-Kue Jia, Weiping
Copyright Year	2009
Abstract	An experimental study of high pressure water jet peening treatment on chromium steal SCr420 H3V2L2 is conducted to study the effects of cavitation impacts of high-speed water on fatigue crack initiation and propagation of notched specimens. There are six different kinds of specimens. First three kinds are treated with; only annealing, only water quenching, and only oil quenching. Other three kinds are treated with above heat treatment and water jet peening, respectively. An axial tensile fatigue tests’ condition is 260MPa maximum stress amplitude, 0 stress ratio and 10Hz frequency, while in-situ observation by SEM is employed. Although fatigue life of the specimens with annealing and water jet peening is shorter than that of only annealing, fatigue life of water and oil quenching with water jet peening specimens is obviously longer than those without water jet peening treatment. Water jet peening has increased residual stress inside the specimens on the latter case and raised their fatigue strength. In-situ observation on the crack tips approves above analysis.
Sponsorship	Pressure Vessels and Piping
Starting Page	425
Ending Page	432
Page Count	8
File Format	PDF
ISBN	9780791843666
DOI	10.1115/PVP2009-77546
e-ISBN	9780791838549
Volume Number	Volume 3: Design and Analysis
Conference Proceedings	ASME 2009 Pressure Vessels and Piping Conference
Language	English
Publisher Date	2009-07-26
Publisher Place	Prague, Czech Republic
Access Restriction	Subscribed
Subject Keyword	Water Fatigue life Annealing Fatigue testing Shot peening Fracture (materials) Cavitation Stress Hardening High pressure (physics) Fatigue strength Quenching (metalworking) Fatigue properties Fatigue cracks Heat treating (metalworking)
Content Type	Text
Resource Type	Article

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