Ti-6Al-4V 合金棒の摩擦圧接継手性質に及ぼす圧接条件の影響(<特集>チタンおよびチタン合金)

概要

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The friction welding conditions to obtain the good strengths of the joint of Ti-6Al-4V alloy are investigated by evaluating the tensile, bending and Charpy impact properties of them. The friction welding is capable in air under 2400 rpm of the rotation speed. The strengths are improved to the equivalent strengths to those of mother material when the up-set pressure is increased. In the case of the specimens obtained from the inside of the section of the joint, the up-set pressure to obtain the equivalent property to mother material on Charpy impact value is the highest, and it to obtain that on bending strength is higher than that on tensile strength. In the case of specimens with burr, the up-set pressures to obtain those on tensile and bending strengths are same and higher than those of the specimens without burr, but they are lower than that on Charpy impact property.
社団法人日本鉄鋼協会の論文
1986-04-01