1) essential work of fracture
基本断裂功
1.
The fracture behavior of the deeply double edge notched tension specimens were studied by the essential work of fracture method.
采用基本断裂功法对共聚聚丙烯压制双边缺口拉伸试样的断裂行为进行研究,分析了厚度变化对材料多项断裂参数的影响。
2.
The essential work of fracture (EWF) method was employed to determine the fracture toughness of four types of co-polypropylene, while the thermal properties and mechanical properties of the materials were analyzed.
采用基本断裂功方法(EWF)评价了四种不同牌号共聚聚丙烯材料的断裂韧性和塑性功,并结合材料的热性能及力学性能进行了分析。
3.
Fracture work revealed that the specific essential work of fracture (W e) of the b.
基本断裂功方法的研究结果表明 ,共混物的比基本断裂功随粉末橡胶用量增多而降低 ,比非基本断裂功则随之而升高 ,且断裂功的变化主要表现在材料屈服之
2) specific essential work of fracture (w e)
比基本断裂功
3) tectonic fault characters
断裂基本特征
4) rupture work
断裂功
1.
First-principles calculation on rupture work of Ni/Ni_3Al interface with Ru addition;
Ru合金化Ni/Ni_3Al相界断裂功的第一原理计算
2.
On further analysis,it is found that rupture work appears close to a constant.
而实验发现:同一纤维或纱线,在不同的拉伸条件下,得到的断裂强力、断裂伸长率并不是常数,进一步分析得出断裂功近似于常数。
5) fracture work
断裂功
1.
Generally, the fracture work is used to discuss the fracture toughness.
阐述了几种纤维增韧的机理,用断裂功来评价断裂韧性已得到广泛应用。
2.
The results show that, with the increase of loading rate, the fracture work rwof of the composite decreas-es, while the bending strength increases first and then decreases.
对短切碳纤维增强Ｌｉ２Ｏ－Ａｌ２Ｏ３－ＳｉＯ２玻璃陶瓷基复合材料（Ｃｓｆ／ＬＡＳ）断裂特性进行了研究，结果表明：随加载速率增加，材料的断裂功ｒｗｏｆ降低，而材料的抗弯强度先增加后降低。
3.
Based on the theory of fracture mechanism,a new criterion of fracture (fracture work) for resin-bonded sand is proposed.
根据断裂力学理论,提出断裂功作为树脂砂断裂的新判据;介绍了测定树脂砂断裂功的方法;对酚尿烷树脂自硬砂和酚醛树脂覆膜砂的断裂功进行了测定,并在生产现场作了验证。
6) breaking work
断裂比功
1.
The experimental results showed that the breaking strength decreased logarithmically with the increase of clamp distance at constant drawing rate; and the average breaking strength, elongation at break and breaking work all increased with the increase of drawing rate at the same clamp distance.
在相同夹持距离下 ,随着拉伸速率的提高 ,平均断裂强力提高 ,断裂伸长增大 ,断裂比功也增大。
2.
The results showed the loss rates of stress,initial modulus and breaking work were more than 44%,65% and 51% after hydrothermal aging test respectively;but the corresponding parameters were less than 31%,27% and 36% after thermal aging test respectively.
结果表明,在热湿条件下老化结束后,材料的断裂应力、初始模量和断裂比功的损失率分别大于44%、65%和51%;而在热条件下老化结束后,材料对应指标的损失率分别小于31%、27%和36%。
补充资料：陶瓷断裂功
陶瓷断裂功
fraeture energy of eeramies
陶瓷断裂功fraeture energy of eeramies陶瓷材料在外力作用下变形和破坏过程中吸收能量的能力。以F表示。吸收能量越大，韧性越好。断裂功F包括从受荷开始直到完全断裂的过程中所作的表面断裂功八形成破坏过程区的塑性变形功饰、声能八E，材料的运动或振动以及碎片飞散所消耗的功能为，其他阻止裂纹扩展所作功冷，即 F一ys+冲十为E+yn十凡 纯断裂力学是材料中只有单一裂纹的宏观力学，主要考虑开始破坏时的功。因此F二ys，或F一KlcZ/2E。式中Klc为断裂韧性强度因子，E为弹性模量。但实际的断裂功应包括裂纹尖端的塑性区域的塑性变形功饰、裂纹分叉、弯曲和偏转及应力诱导相变所作的功，以及晶须、纤维和颗粒增韧的桥联、拔出、解离作用所作的其他功炸。陶瓷断裂功的研究，对多相或晶须、纤维补强复合材料、相变效应以及热震损伤评价等都有重要意义。单相陶瓷断裂功一般为10一50)/c mZ。 断裂功可用弹性模量E和断裂韧性强度因子凡c计算得到，也可用荷重变位曲线直接测定。 (金宗哲)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条