断裂特征表现为局部韧性断裂。
The fracture features are reminiscent of locally ductile failure.
拉伸断口形貌表现出韧性断裂特征。
Tensile fracture morphology is characterized by ductile rupture.
复合材料的断裂是韧性断裂。
合金的断裂形式为微孔聚集韧性断裂。
The fracture mechanism of the alloy is micro-porous aggregation toughness fracture.
由压缩断口分析可知，基体为韧性断裂。
On the basis of analysis of SEM fractographies, matrix fracture is ductile.
两种材料在高温下的断口形貌均表现为韧性断裂。
The fracture appearance of both materials belongs to ductile fracture.
所得改性不饱和聚酯的冲击断裂截面表现为韧性断裂；
The impact fracture section of modified unsaturated polyester showed ductile failure.
室温冲击韧度随时效时间的延长整体下降，为韧性断裂；
Room temperature impact ductility decreased with the aging time increasing.
韧性断裂计算力学研究中急待解决的问题及其研究的广阔领域。
The problems on flexibility fracture calculation mechanics, and its wide research field are also discussed.
两组具有不同形变机制的奥氏体不锈钢拉伸断口均为韧性断裂。
Interestingly, the tensile fracture of the two austensite stainless steels with different deformation mechanism is ductile fracture.
SEM结果表明改性后材料断裂面的形态逐渐呈现韧性断裂特征。
Furthermore, SEM results indicate that fracture surface of modified system presents ductile fracture features with the increasing of Mioxd content.
它是韧脆混合的断裂，韧性断裂的特征表现为有一定的韧窝及撕裂棱。
Moreover, the fracture of the material was a mixed ductile-brittle fracture, nor was it a typical brittle fracture or a typical ductile fracture.
拉伸端口形貌说明这种贝氏体和马氏体混合组织的拉伸断裂为韧性断裂。
The morphology of the tensile fracture shows toughness fracture for the mix microstructure.
金属材料在复杂应力状态下的韧性断裂是断裂力学研究的重要问题之一。
The problem of ductile fracture of metals under complex stress has been investigated extensively, but has not been resolved as yet.
为了准确地预测铝合金板材成形极限，将韧性断裂准则引入到数值模拟中。
To accurately predict the forming limit in aluminum alloy sheet forming, ductile fracture criterion is introduced into numerical simulation.
扫描电镜下的原位准静态拉伸试验表明，合金的断裂行为是穿晶韧性断裂。
The result of insitu-tensile test shows that the behavior of fracture is transcrystalline rupture.
挤压态合金的拉伸断口宏观上为杯锥状，微观上表现为明显的韧性断裂特征。
The fracture of the as-extruded composite on a macroscopic scale is cup and cone morphology and features with the toughness failure on the microscopic scale.
目前已提出的韧性断裂准则预测板料成形极限，只在简单轴对称件中得到应用。
At present, some ductile fracture criteria are applied only to predict the forming limit in stamping forming of simple axisymmetric part.
下盘发育平行于主变形带的小型韧性剪切带，上盘发育一系列铲形脆韧性断裂系。
A series of small shear zones, which are parallel to the main deformation belt, are formed in the foot wall, while in the hanging wall ductile brittle normal faults are popular.
韧性裂纹开始扩展的J积分值对于韧性断裂的工程构件是一个重要的材料性能指标。
J integral value related to the initiation of ductile crack is important material properties for the engineering structure of ductile fracture.
电镜图片表明，纯环氧树脂断裂面呈现明显的脆性断裂，而改性环氧树脂为韧性断裂。
It show that the fracture surface of pure epoxy resin appears brittle fracture, but the modified epoxy resin appears gliding fracture.
材料的断裂方式由沿晶脆性断裂转变为沿晶脆性断裂和韧窝韧性断裂的混合断裂方式。
The fracture of the material was diverted from the manner of intergranular brittle fracture to the manner of intergranular brittle fracture with dimple gliding fracture.
SEM结果表明，经ESBSVP改性的环氧树脂体系断面呈现出明显的韧性断裂特征。
SEM analysis indicated that there was remarkable toughness fracture surface morphology for the epoxy resin system modified with ESBSVP.
并利用韧性断裂准则作为胀形高度极限的判断依据，将模拟得到的必要数据代入到准则中。
Using the ductile fracture criterion as the reference for judging the limit height of the process to put the necessary simulation results into the criterion.
铸造A356-T6铝合金试样的拉伸断口显示其断裂为韧性断裂与脆性断裂的混和模式。
The tensile fracture mechanism of cast A356-T6 aluminum alloy revealed a trangranular model(along the cell fracture) with quasi-cleavage feature.
通过试验结果与应力场分析，讨论了不同应力状态参数下，金属材料韧性断裂形式的变化规律。
Through the analysis of test results and stress fields, the change of metal materials' ductile fracture mode with different stress condition parameters are discussed.
复合材料的断裂由韧性断裂转变为脆性断裂，但压缩断裂强度随着ZrO2含量的增加而得到提高。
The mode of fracture changed from ductile to fragile for the BMG composites, but the compressive failure strength increased.
本文提出利用材料的力学性能参数，采用数值模拟与韧性断裂准则相结合的方法预测板材的成形极限。
This paper predicted the forming limit of sheet metals by using the mechanical property parameters of materials and combining the ductile fracture criteria with finite element simulation.
结果表明，增韧后材料的断面形态明显不同于未改性体系的形态，试样冲击断裂面形态具有明显的韧性断裂特征。
The results showed that the fracture surface of the modified systems displayed tough fracture features, markedly different from that of the unmodified epoxy resin system.
结果表明，增韧后材料的断面形态明显不同于未改性体系的形态，试样冲击断裂面形态具有明显的韧性断裂特征。
The results showed that the fracture surface of the modified systems displayed tough fracture features, markedly different from that of the unmodified epoxy resin system.
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