NDLI: Crack Initiation/Propagation of Perforated Plate Under Displacement-Controlled Creep-Fatigue Test at Elevated Temperature

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Watanabe, Osamu Akiyama, Taisuke Matsuda, Akihiro
Copyright Year	2012
Abstract	In structures having stress concentration under cyclic and holding loading, a small crack initiates and it grows and propagates. The present paper shows the experimental results of the perforated plate having the different diameters and the prescribed different strain amplitude. In the specimens having a circular hole, a crack initiates at the hole side having the most severe stress concentration in the specimen, and then the other crack also starts to initiate at the opposite hole side. Growth of both cracks is observed from the photographs taken at each cycle to study the relation between crack growth and load decrease. The feature of crack growth initiating of creep-fatigue test from multiple origins will be discussed for those of fatigue test.
Sponsorship	Pressure Vessels and Piping Division
Starting Page	231
Ending Page	239
Page Count	9
File Format	PDF
ISBN	9780791855003
DOI	10.1115/PVP2012-78123
Volume Number	Volume 1: Codes and Standards
Conference Proceedings	ASME 2012 Pressure Vessels and Piping Conference
Language	English
Publisher Date	2012-07-15
Publisher Place	Toronto, Ontario, Canada
Access Restriction	Subscribed
Subject Keyword	Stress concentration Cycles Temperature Fatigue testing Creep Fatigue Fracture (materials) Displacement Stress
Content Type	Text
Resource Type	Article

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Crack Initiation/Propagation of Perforated Plate Under Displacement-Controlled Creep-Fatigue Test at Elevated Temperature