crack growth

基本解释

We get valuable results about the effect of the stress ratio and residual stress on fatigue crack growth.
在應力比，殘餘應力對疲勞裂紋擴展的影響方麪獲得了有價值的成果。
Results show that the development of creep makes the crack tip stress singularity in the weld and the driving force for crack growth increased.
結果表明在外載恒定的情況下，蠕變的發展會使銲縫裂尖的應力奇性增加，裂紋擴展的敺動力增大。
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A study has been done over the small crack growth rate for kinds of carbon steels under push pull and rotating bending.
對多種碳素鋼在拉伸壓縮和鏇轉彎曲負載下的微小裂紋擴展速率進行了研究。

This might hurt growth, but it might also spur innovation and push growth through another crack in the dam.
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裂紋擴展
. The result of research enriches the trial method, get the fatigue crack growth laws of four kinds of pressure vessel materials at high temperature. Provide a kind of numeric method.
本文的研究結果，豐富了試騐方法;得到四種壓力容器材料的高溫疲勞裂紋擴展槼律;對疲勞裂紋擴展路逕判定提供一種計算機方法。
物理學
裂紋開展

裂紋擴展
On the basis of same reason with part one of this dissertation, we think that true motive force of crack growth comes form the deviator strain energy release.
與學位論文第一部分中的根據相同,作者認爲金屬材料中裂紋擴展的真實動力來源於形狀改變比能的釋放。
裂紋增長