ductile fracture
[力] 韧性断裂;[高分子] 延性破裂
2026-05-06 03:05 浏览次数 32
[力] 韧性断裂;[高分子] 延性破裂
propagation ductile fracture塑性断裂扩展
ductile fracture toughness jic延性断裂韧度j
ductile fracture assessment延性断裂评定
ductile fracture initiation延性起裂
ductile fracture model韧性断裂形态
ductile intergranular fracture延性晶界断口
ductile fracture arrest韧性止裂
Dynamic ductile fracture动态韧性断裂
ductile brittle fracture韧脆性断裂
observation of the fracture section showed that the alloy gave rise to some ductile fracture characteristics after treated by the magnetic field.
对试样断口的观察表明,磁场使得试件呈现韧性断裂特征;
to accurately predict the forming limit in aluminum alloy sheet forming, ductile fracture criterion is introduced into numerical simulation.
为了準确地预测铝合金板材成形极限,将韧性断裂準则引入到数值模拟中。
the mechanical condition of ductile fracture of pressure vessel materials and their relations to the fracture are investigated based on the micromechanics.
应用细观力学的观点分析压力容器材料韧性断裂的力学条件,并考察其与断裂参量的关系。
the problem of ductile fracture of metals under complex stress has been investigated extensively, but has not been resolved as yet.
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。
in these cases, the cracks can propagate to the critical length and result in ductile fracture of the component.
出现这种情况后,裂纹的长度会扩展,造成部件延展断裂。
its micro-feature is appeared as the dimplefracture and seems to be of the ductile fracture mechanism.
其微观形态为塑坑断口,属延性断裂机制。
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.
并利用韧性断裂準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準则中。
furthermore, sem results indicate that fracture surface of modified system presents ductile fracture features with the increasing of mioxd content.
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。
through the analysis of test results and stress fields, the change of metal materials′ ductile fracture mode with different stress condition parameters are discussed.
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。
with the profound research in meso-damage of ductile material, meso-damage mechanics will play more and more important role in forecasting ductile fracture of metal material.
随着韧性材料内细观损伤发展机制的深入研究,细观损伤力学在预测金属材料发生韧性断裂的过程中发挥着越来越重要的作用。
by using measurement of mechanical parameters and microscopic observation, the effect of initial damage on the ductile fracture initiation toughness of steel was investigated experimentally.
通过力学参数测量和微观观察研究了初始损伤对钢的延性起裂韧性影响。
experimental results showed that the ratio of cleavage fracture to ductile fracture on fracture surface increased gradually with increasing hydrogen concentration and decreasing stress or strain rate.
结果表明:随氢浓度增加、应力减小或应变速率降低,试样断口逐渐从韧性断口向脆性断口过渡;
the results showed that with increasing the amount of the initial void damage, the ductile fracture initiation toughness of steel decreases.
研究结果表明,随钢组织在预加载荷中产生的微孔洞初始损伤量的增加,其延性起裂韧性降低。
the abrasion mass decreases at first, then increases. the fracture mechanism of the mmc transforms from ductile fracture into brittle fracture.
该复合材料韧性降低,使其断裂形态从塑性断裂转变为脆性断裂。
the ductile fracture occurs under the tensile stress.
在拉伸受力时复合材料发生延性断裂。
the tests for the ductile fracture toughness and the contact fatigue are also carried out for examining serviceability and durability of austenite-bainite ductile cast iron.
为了考察奥氏体-贝氏体球铁的可靠性和使用寿命,还进行了延性断裂韧度与接触疲劳性能的试验。
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.
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準则相结合的方法预测板材的成形极限。
it was found that the fracture of twip steel was typical ductile fracture pattern and its deformation and fracture processes were the formation, growth and coalescence of microvoids.
结果发现,twip钢具有典型的延性断裂断口特征,其变形和断裂过程为微孔洞的形核、长大和聚合。
the stress triaxiality was a major mechanical factor which induced brittle fracture, and the strain concentration controlled the ductile fracture procedure.
应力三轴性是控制高强匹配和低强匹配接头脆性断裂的主要力学因素,而应变集中控制着中强匹配接头的延性蠕变断裂。