1) ductile fracture
塑性破坏，塑性断裂，塑性断口，延(韧)性断裂
2) ductile rupture
塑性破坏，塑性断裂
3) ductile fracture
塑性断裂
1.
Experimental results show that along with the increment of samples thickness,SP impact energy increases,fracture surface displays typical ductile fracture,and the punched part is full of half-sphereicl little bulge.
采用临界塑性断裂应变作为裂纹起裂判据,单位面积的能量耗散率作为裂纹扩展和失效判据的断裂模型,用有限元方法对SP压杆实验进行模拟,得到与实验结果比较相符的模拟结果。
2.
The fracture surface displays the typical ductile fracture, and the outer surface of the half-sphere part cut off by the punch is full of bulgings around which there are micro cracks.
采用塑性断裂应变作为裂纹起裂判据,临界断裂变形能密度作为裂纹扩展判据的断裂模型,对SP压杆实验进行模拟,得到与实验结果比较相符的模拟结果。
4) plastic fracture
塑性断裂
1.
A study on the plastic fracture region and its movement in overlying rock bed in mining stope
采场上覆岩层塑性断裂区域和移动规律研究
2.
The final fracture pattern is plastic fracture and the fracture morphology of the sample is a dimple pattern.
5%的F+M双相钢;动态拉伸过程中,裂纹尖端的塑性区会萌生新的微裂纹,塑性区内的铁素体晶粒内部会产生"波状"滑移带;当裂纹扩展到马氏体岛时会改变方向绕过马氏体,扩展到铁素体晶粒时,以微孔相连的塑性方式使铁素体开裂;最终断裂以塑性断裂的形式发生,断口形貌为韧窝状。
5) elastic plastic fracture
弹塑性断裂
1.
The evaluational equations for elastic plastic fracture analysis are also given.
给出了带裂纹的半圆环形曲杆（板）的线弹性解和全塑性解，所考虑的材料是符合Ｒａｍｂｅｒｇ－Ｏｓｇｏｏｄ本构律的材料，同时也给出了这种构件的弹塑性断裂分析的弹塑性评定方程。
6) elastic-plastic fracture
弹塑性断裂
1.
The COD、CTOD and CTSD were de-termined by duplicated film method and used to analyse the behavior of mixed Ⅰ+Ⅱ elastic-plastic fracture in aluminium alloy Ly12, and then the relationship between COD and J-integral for differ-ent mixed ratios was also discussed.
对铝合金Ly12复合Ⅰ＋Ⅱ型弹塑性断裂行为进行了COD分析，并对复合载荷下COD与J积分的关系进行了讨论。
2.
Based on a two-parameter analysis method of elastic-plastic fracture,a theoretical expression of estimating fracture toughness CTOD requirement has been derived for pressure vessels and other important engineering structures.
本文在弹塑性断裂双参数分析方法的基础上,导出了预测压力容器等重要工程结构断裂韧度CTOD要求的理论表达式。
3.
The materials concerned follow Ramberg -Osgood s constitutive law,and the evsluational equations for elastic-plastic fracture analysis are also given.
所考虑的材料是符合Ｒａｍｂｅｒｇ－Ｏｓｇｏｏｄ本构律的材料，并给出了这种构件的弹塑性断裂分析的弹塑性评定方程。
补充资料：塑性破坏
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性质：又称脆性断裂。材料在屈服应力之前的断裂。其特征是材料的屈服应力大于断裂应力，形变无残余变形。断裂面垂直于应力方向等。
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性质：又称脆性断裂。材料在屈服应力之前的断裂。其特征是材料的屈服应力大于断裂应力，形变无残余变形。断裂面垂直于应力方向等。
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