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HIGHLY FATIGUE RESISTANT METALLIC SHEET, FIXING BELT USING THE SHEET, AND DEVICE AND METHOD FOR EVALUATING FATIGUE RESISTANCE OF METALLIC MATERIAL
HIGHLY FATIGUE RESISTANT METALLIC SHEET, FIXING BELT USING THE SHEET, AND DEVICE AND METHOD FOR EVALUATING FATIGUE RESISTANCE OF METALLIC MATERIAL
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机译:高耐疲劳金属板,使用该板固定皮带,以及评估金属材料耐疲劳性的装置和方法
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摘要
PROBLEM TO BE SOLVED: To provide a metallic sheet highly resistant to fatigue due to repeated deformation and a fixing belt using the sheet, and further to provide the device and method for evaluating the fatigue resistance of a metallic material. ;SOLUTION: This metallic sheet provide any one of the voltage characteristic, impedance and heat generating characteristic close to the case of a low frequency voltage applied even when a high-frequency AC voltage is applied. The metallic sheet is good in crystallinity (good in mobility of a conduction electron), hence the mobility of dislocation is improved, and the numbers of crack sources are decreased. Consequently, the sheet is hardly broken even if subjected to repeated deformation. The fatigue resistance is evaluated by comparing values of the current characteristic, impedance and heat generating characteristic when the high- and low-frequency AC voltages are applied on a test piece.;COPYRIGHT: (C)2001,JPO
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