Heat Treatment by Ultrasonic Heating : 2nd Report : Selection of Heating Position and Tempering

概要

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The principle of heat treatment by ultrasonic heating lies in using the calorification originated from internal friction in metals caused by ultrasonic vibration with large amplitude. Therefore, this heat treatment is a selective one according to the vibration mode. When a new heating method is put practical application, its practicability and generality are extraordinarily important. In this report, arbitrary selection of the length and the heated position of materials was aimed at. With various additional masses attached to the test pieces, the relationships between the length of the test pieces, the position to which additional masses were attached, resonant frequency, the weight of additional masses, and the heated position were identified. As a result, it became clear that the selection of the length and the heated position of materials is possible. And further, the tempering by ultrasonic heating was tried successfully as a link in the chain of ultrasonic heat treatment.
一般社団法人日本機械学会の論文