ductile failure 中文意思是什麼
ductile failure
解釋
韌性斷裂-
: 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth
T44mpa m 『 q ， sl lt52mpa in 』 」斷口分析表明，該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性；且隨氫含量升高，氫脆敏感性增加：在恆載荷的作用下，該合金裂二紋開始擴展時顯示的是韌性起裂；隨裂紋增長，試樣脆性斷裂的比例增大。 -
With the decreasing of heterogeneity, the main failure process presents brittle behavior, and vice versa, with the increasing of heterogeneity, failure process presents ductile behavior
隨著非均勻程度的降低，主破裂呈現脆斷模式，而隨著非均勻程度的增加而呈現韌性破壞特徵。 -
However, this newly arisen method is associated with brittle debonding failure modes - flexural strength of the compound beams without omen cannot reach that under ductile failure modes, even that of unreinforced members
然而，這個新興的技術卻時常受到粘結破壞的困擾? ?沒有破壞徵兆，而且不能達到適筋破壞梁的承載力，甚至低於未加固梁的承載力。 -
Targets made of ship - building steel, which is concerned, were penetrated by conical and flat - ended projectiles. the damage and failure behaviors of targets have been studied systematically by micro - hardness, metallography and scanning electron micrography. the results show that the ductile hole failures and back - surface petal failures are achieved when targets penetrated by the conical projectiles
本文以某船用鋼為研究對象，運用彈板侵徹試驗及顯微硬度、金相顯微鏡和sem等分析測試手段，研究了靶材在侵徹過程的物理變化和損傷規律，從而對尖頭彈和鈍頭彈侵徹船體鋼的物理過程有了較全面的了解。 -
A theoretical analysis of local damage in a thin ductile tube hit by a flat - nosed missile laterally is developed to predict local failure due to plugging by the beam - on - foundation model. the effect of internal press was considered, and differential equations was obtained which can predict the ballistic speed of the missile which impact the tube filled with water. it can be solved by runge - kutta method
採用地基梁模型對平頭彈體側向沖擊鋼管的沖塞型破壞模式進行了理論分析，考慮了充壓情形下內壓的影響，導出了鋼管在沖擊過程中的運動方程，可以用龍格?庫塔法進行數值求解來確定彈體沖擊充液壓力管道的彈道極限速度。 -
Ballistic limit ( m / s ) vi - i vl - 2 vim vli - 2 325 399 535 902 based on the analysis of failure model of ductile target penetrated by conical projectile, a new energy function is obtained, as follows, ? 88. 4547 the ballistic limit can be predicted using the function and satisfactorily accords with the actual results
在分析已有模型的基礎上，建立了一個新的尖頭彈侵徹延性材料時，靶材的塑性功表達式，即哈爾濱工程大學碩士學位論文利用上式計算尖頭彈侵徹時的彈道極限，結果吻合較好。 -
The penetration mechanism is ductile penetration. the failure models and penetration mechanism vary with the projectile velocity
對于鈍頭彈侵徹，靶板的破損形式和侵徹機理，隨彈速的變化而不同。 -
The experimental results show that the seismic behavior of strengthened joints is improved significantly by the scheme, which successfully enhances the shear capacity by about 22 %, transforms the failure mode to be ductile, raises the ductility coefficient over 4, delays the strength degradation and stiffness degradation, and upgrades the energy dissipation capacity
試驗結果表明：加固能夠有效地提高節點的極限受剪承載力22 %左右，改變節點的破壞模式為梁端延性破壞，提高節點的延性系數到4以上，改善節點的承載力退化和剛度退化，提高節點的能量耗散能力，從而顯著改善了樑柱節點的抗震性能。
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