Cracking Study of Aluminum Alloys by the Variable Tensile Strain Hot Cracking Test
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概要
- 論文の詳細を見る
In order to investigate mainly the effect of augmented strain and strain rate on the solidification cracking of weld metals, the Variable Tensile Strain hot cracking test apparatus was newly produced. In this paper, four types of aluminum and their alloy sheets were examined by this test apparatus. From these results, it was confirmed that this apparatus was suitable for evaluation of crack susceptibility of sheet metals because of its applicability of variable tensile strain and strain rate on weld beads during welding. From the relation between strain rate and crack length, it was found that there was a threshold value of strain rate for crack initiation and the crack length decreased, reached a constant value, with an increasing strain rate. Comparing the test materials, it was ascertained that solidification cracking was susceptible in order of A 2024, 5083 5052 and 1050 metals.
- 社団法人溶接学会の論文
著者
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TAMURA Hiroshi
Tokyo Research Institute, Seikagaku Corporation
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Kato Noboru
Tokyo Institute Of Technology
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OCHIAI Shozo
Tokyo Institute of Technology
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KATAGIRI Yasunori
Tokyo Institute of Technology
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Tamura Hiroshi
Tokyo Institute Of Technology
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Tamura Hiroshi
Tokyo Institute Of Technolngy
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