タイヤコードの疲労に関する研究-1-

概要

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Object ; ( 1 ) A comparison of fatigue characteristics in bending of cotton-cord with those of rayon-cord. ( 2 ) A study of performance of bending fatigue tester.<BR>Results ; ( 1 ) The endurance of rayon-cord is much affected by testing conditions, such as magnitude of bending, way of combining bending and tension, or magnitude of load. Cotton-cord is riot so much affected as rayon-cord is. The most severe condition for rayon-cord is the one in which it is bent heavily under large tension. ( 2 ) The bending fatigue tester mentioned, here is very effective for practical use. But the test results of bending fatigue depends largely upon the constructional details of testers. Even the comparative values among various cords by one tester might be greatly different from those by other testers. Therefore, it is not right to judge the relative value of practical bending fatigue characteristics only from the tests of one variable.
社団法人日本繊維機械学会の論文