アルミニウムの電磁圧接の接合結果に及ぼす衝突角度の影響 : 電磁圧接に関する研究第 3 報

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Aluminum specimens consisted of the couple of tubes and single, concave or convex tapered cores, were welded by electromagnetic welding. Equipment with capacitor of 1,000μF was used under the charged voltage of 4.5kV. Variations of welded areas with tapered angles of cores (α), and the wavy patterns at the interfaces of welded areas were examined. From these results, variations of impact angle distributions in each joint, and the acceptable areas of impact angle for each position were also obtained. The results could be summerized as follows : (1) Position, width and numbers of welded area varied systematically with α. (2) 7.5°for convex tapered core joint, 12.5° for single tapered core joint and 17.5° for concave tapered core joint were the optimum tapered angles of cores. Maximum total welded lengthes were about 10mm for both single and concave tapered core joints, and 8mm for convex tapered core joint. (3) Wavy patterns, whose wave length became longer as the distance from the beginning of welded area increased, were observed at the interfaces of welded areas. (4) Both factors of the impact angle distribution in each joint and the acceptable area of impact angle for each position affected the result of electromagnetic welding. Welded area was the position whose impact angle distribution was contained within the acceptable area of impact angle. (5) Impact angle distribution for each joint depends upon the tapered angle of core, but the acceptable area of impact angle depends little upon the tapered angle of core.
社団法人溶接学会の論文
1983-02-05

アルミニウムの電磁圧接の接合結果に及ぼす衝突角度の影響 : 電磁圧接に関する研究第 3 報

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