期刊
SCRIPTA MATERIALIA
卷 65, 期 12, 页码 1085-1088出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.09.021
关键词
Friction stir welding; Radiography; Material flow; Visualization
类别
资金
- Priority Assistance for the Formation of Worldwide Renowned Centers of Research-The Global COE Program
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- Japan Science and Technology Agency (JST)
Material flow during friction stir welding is crucial to obtaining sound joints. However, this phenomenon is still not fully understood despite many investigations and numerous models. In this study, the material flow is three-dimensionally visualized by X-ray radiography using a tiny spherical tungsten tracer. The movement of the tracer during the friction stir welding is observed by two pairs of X-ray transmission real-time imaging systems. The three-dimensional material flow is obtained by following the locus of the tracer. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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