Research Activities of the Investigative Committee for High Temperature Springs

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  • 耐熱用ばね材料に関する調査
  • タイネツヨウバネ ザイリョウ ニ カンスル チョウサ

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The committee aims to promote an investigation concerning fabrications, usages and properties of high temperature springs and its materials to contribute to improved safety designing of the high temprature components.<br>At the first step, we programed to undertake a questionnate towards makers and users of springs, and manufactures of spring materials, so as to grasp a recent trend of the domestic high temperature springs. The questionnate contains the following matters for investigation: fabrication and usage of the springs; manufacturing process of the spring materials; problem, counterplan for problem, and estimated tendency at future for the high temperature springs and materials.<br>Available informations were obtained from the results of analyses for answers of the questionnate concerning the following present situations: service temperatures, types of materials, usages, stress ranges, geometries of the springs, sizes of lots, costs of materials, design lives, and the various problems. Summarizing the results, it was concluded that a collection and a systematization of the high temperature data for designing was the most important problem in the present.

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