疲勞裂紋擴張 的英文怎麼說

中文拼音 [láolièwénkuòzhāng]
疲勞裂紋擴張 英文
fatigue crack propagation
  • : 形容詞(疲乏; 勞累) tired; weary; exhausted
  • : Ⅰ動詞1 (勞動) work; labour 2 (煩勞) put sb to the trouble of; trouble sb with sth : 勞您費心...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  • : 動詞(擴大) expand; enlarge; extend
  • : Ⅰ動詞1 [書面語] (給弓或樂器上弦) fix (a bowstring); string (a musical instrument) 2 (分開;...
  • 疲勞 : 1. (疲乏勞累) tired; fatigued; weary; become fagged 2. (機能或反應能力減弱) fatigue; strain 3. [物理學] fatigue
  1. The results revealed that the fatigue degradation of the material includes three stages : micro - crack appearing at initial stage, a long process of crack propagation and fatigue. failure of the material after suffering the extraordinary degradation of stiffness

    結果表明,材料的衰變主要分為3個階段:產生小的初始階段;損傷累積階段;材料剛度加速退化,破壞階段。
  2. The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks

    本文將基於閉合現象建立的帶狀屈服模型,用在平面貫穿中,計算此時的開應力和展壽命,與試驗結果和經驗公式比較,驗證newman開應力理論在高強鋼中的可行性;然後,用切片合成法,把潛艇結構凸錐柱結合殼焊縫處的三維表面分解成平面貫穿,用帶狀屈服模型的理論來分析平面貫穿,得到沿深度方向的展速率,進而得到潛艇結構的壽命。
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