hole fatigue 中文意思是什麼
hole fatigue
解釋
井軟-
Abstract : the factors to influence fatigue life of chain plate areconcluded by experimental methods. the factors to prolong life of chain plate are analyzed by theoretical methods. the maximum value of crushing hole in 16a roller chain plate is calculated by finite element method
文摘:用試驗方法確定了擠孔對鏈板疲勞壽命的影響，從理論上分析了在最佳擠孔量下，鏈板疲勞壽命提高的因素，用有限元法計算了16a鏈板的最佳擠孔量，並與試驗結果進行了比較。 -
Study on fatigue crack of 840d freight car wheel web hole
淺談教學中的教與學 -
So the tensile fatigue tests of the limited width specimen with center - hole were performed for studying the correlation
所以本文對有限寬板中心帶孔試件進行了拉伸疲勞試驗，用以研究這種相關性。 -
In fatigue tests, the fatigue test was paused whenever fatigue life cycle was reached to 1500, then similar gradual cyclic experiment was re tried, the displacement distribution around the hole and the strains at the side of hole were measured
在疲勞試驗過程中，每當疲勞循環1500次就停機，進行同樣的緩慢循環實驗，並測量出孔周的位移場及孔邊應變。 -
Fatigue tests were carried out on the limited width specimen with center - hole
摘要對有限寬中心帶孔拉伸試樣進行疲勞試驗。 -
The residual deformation around the hole was measured by digital speckle correlation technique and the relation curves of residual strain at the side of hole vs fatigue life cycles were obtained
再應用數字散斑相關技術測量了不同疲勞循環次數后孔周的殘余變形場，並給出了孔邊最大殘余應變與疲勞循環次數的關系曲線。 -
Increasing the distance from oil hole to inner annulus of the stuffing box can prevent the fatigue
適當增加輸油孔到填料盤內環的距離可以預防裂紋的產生。 -
It is very important to study the correlation of cyclical strain on the side of hole with fatigue life cycle for understanding the material damage and micro - crack initiation, and for preventing macro - crack initiation and propagation
研究孔邊循環應變與疲勞循環次數的相關性，對于研究材料損傷及微裂紋的產生，預防宏觀裂紋的產生及擴展具有十分重要的意義。
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