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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23660

Title: The Influence of Aging Treatments on the Notched Tensile Strength of Ti-6Al-6V-2Sn Laser Welds
Authors: Lv Wen Tsay;C.X. Lee;W.C. Chung;C. Chen
Contributors: NTOU:Institute of Materials Engineering
國立臺灣海洋大學:材料工程研究所
Keywords: Laser Welding;Notched Tensile Strength;Ti-6Al-6V-2Sn
Date: 2008-06
Issue Date: 2011-10-20T08:07:02Z
Publisher: Advanced Materials Research
Abstract: Abstract:Notched tensile tests were performed to evaluate the presence of notch on the tensile strength of Ti-6Al-6V-2Sn laser welds, which were post-weld aged at different temperatures. Ti-6Al-6V-2Sn laser welds showed notch brittleness except for the welds aged at/above 704 oC. Fine acicular α uniformly distributed in β matrix in the fusion zone accounted for the high hardness (Hv 440) as compared with mill-annealed base metal. Overaging at/above 704 oC resulted in coarsening the microstructures and decreased notch brittleness. The fracture features of the weld were strongly affected by the orientation of the solidified structures with respect to the crack growth direction.
Relation: 47-50, pp.185-188
URI: http://ntour.ntou.edu.tw/handle/987654321/23660
Appears in Collections:[材料工程研究所] 期刊論文

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