516 Critical Condition for the Production of Macro-crack in Fretting Fatigue

Abstract

i［ has been reported that the efi辷ct of various f 亘ctQrs intluencing し hc n 』 etting fbtlguc ］ imit can be ＄ucc じ∬ t｝ 」lly evaluated based oll the looal stress at the contacl c 〔 ｝ rn じr、 1t is shown in this rcport ［hal lhc fretting fatigue Iimit of the local stress coincided with the threshold conditbn for the continuous growth ofamicro " crack which had been generated by 丘e し し ing． Key 脇 Verds ： Fretting Fatigue ， Local Stress ， Fatigue Limit． Material Strength． Short Crack 、 Thresho ］ d Condition