1) out-of-plane constraint factor
离面约束因子
2) out-of-plane stress constraint
离面约束
1.
The crack tip fields and out-of-plane stress constraint of the specimens were analyzed using three dimensional elastic-plastic theory.
以三维弹塑性断裂理论为基础,对有限厚度板裂纹端部应力场、三维应力约束进行了分析,通过对不同厚度、不同初始裂纹长度在不同温度下三点弯曲试件的断裂韧性测试断口观测和理论分析获得如下结果:离面约束对裂尖应力场及断裂韧性有强烈的影响;断口均产生分层裂纹,其位置、大小和数量与试样厚度、温度和裂纹初始长度有关;温度较低时,分层裂纹距主裂纹根部一定距离,分层裂纹宽度较小,对厚度效应影响较小;温度较高时,分层裂纹首先出现在主裂纹根部,分层裂纹宽度较大且充分张开,降低了试样的有效厚度。
3) out-of-plane stress constraint factor
离面约束
1.
Based on three-dimensional finite element analyses,the effect of different notch angles,plate thickness and crack length on stress intensity factors(SIF) and out-of-plane stress constraint factors(T_z) are revealed and the scale of 3-D constraint area is also analyzed.
研究结果显示:当缺口张开角小于60度时,不同缺口的应力强度因子和离面约束因子的分布基本一致,角度的影响不明显。
4) out-of-plane constraint
离面约束
1.
The effects of two parameters, the in-plane stress ratio Tx and the out-of-plane constraint T, were carefully studied by means of the finite element method.
通过对面内应力比T_x和离面约束T_x在塑性区分布规律的深入分析,发现约束在塑性区不同区域的影响是不同的,在裂尖的钝化区,面内应力比T_x起重要作用,而在钝化区外的塑性区内,离面约束T_x起主要作用;在J-Q理论的基础上引入离面约束T_z可以很好地描述钝化区以外的应力应变分布,在钝化区内引入面内应力比T_x可以对裂尖前方的应力应变进行大变形分析和描述。
2.
In three-dimensional problems,the out-of-plane constraint affects the crack tip fields and fracture toughness significantly.
对一定厚度的均匀拉伸和三点弯曲的标准试件,试件的厚度越大,离面约束的面内约束范围越大。
5) ion bondage
离子约束
6) constraint factor
约束因子
1.
The experimental method to measure constraint factor in cracked bodies was presented.
介绍了一种确定裂纹体约束因子的实验方法。
补充资料：离面云纹法
见云纹法。
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