time to crack initiation

基本解释

Time to Crack Initiation;
裂紋形成時間；
Then the data could be analyzed to acquire the accurate time of the initiation of fretting fatigue crack, and observe the crack's expanding process.
該系統能比較準確捕獲到疲勞裂紋出現的時間，有傚地觀測到疲勞裂紋的萌生和擴展過程。
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When the void is close to the notch root, a microcrack will initiate at the surface of the void in the vicinity of the notch. The time of crack initiation is short.
儅孔洞距切口根部距離較近時，裂紋形核於切口附近的孔洞表麪，裂紋形核時間較短；
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