QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Print ISSN : 0288-4771
On Real Rotational Contact Plane in Friction Welding of Different Diameter Materials and Dissimilar Materials
Fundamental Study of Friction Welding
Kunio Fukakusa
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1996 Volume 14 Issue 3 Pages 483-488

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Abstract

The travelling phenomena of the rotational plane arise in friction welding of different diameter materials and dissimilar materials, and friction surfacing is carried out by the phenomena. It has been revealed that in friction surfacing the real rotational contact plane exists at the central part of the rotational plane, the surfaced metal apparently transferrs from a filler rod to a plate through the real rotational contact plane owing to the travelling phenomena of the rotational plane, the area of this plane decreases with increasing rotational speeds and friction pressures, and the diameter of this plane {dc=2*√W/(πρa)} is calculated by a mass the surfaced metal (W) and a friction upset distance (a).
This study also revealed that the friction welding of different diameter materials and dissimilar materials had the same phenomena of friction surfacing concerning the real rotational contact plane and a consideration for the decreasing mechanism of this real plane was described.

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