Observation of Fretting Fatigue Cracks by Micro Computed-Tomography using Ultrabright Synchrotron Radiation

被引：2
|
作者：
Nakai, Yoshikazu [1 ]
Shiozawa, Daiki [1 ]
Kurimura, Takayuki [2 ]
Kajiwara, Kentaro [3 ]
机构：
[1] Kobe Univ, Dept Mech Engn, Nada Ku, 1-1 Rokkodai, Kobe, Hyogo 6578501, Japan
[2] Mitsubishi Heavy Ind Co Ltd, Takasago, Hyogo 6768686, Japan
[3] Japan Synchrotron Radiat Res Inst, Mikazuki, Hyogo 6795148, Japan
来源：
FOURTH INTERNATIONAL CONFERENCE ON EXPERIMENTAL MECHANICS | 2010年 / 7522卷
关键词：
Computed-tomography; Fretting fatigue crack; Synchrotron radiation;
D O I：
10.1117/12.851541
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Micro computer-tomography (mu CT) using ultrabright synchrotron radiation was applied to observe the shape of fretting fatigue cracks in a titanium alloy. Three dimensional shape and coalescence of fretting fatigue cracks could be observed, and the shapes of the cracks obtained by the imaging agreed well with that obtained by the stereogram analysis of fracture surface using scanning electron microscopy. Transition of crack propagation mode inside specimen in fretting fatigue also could be observed nondestructively.
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页数：7
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