strain crack

The low-cycle fatigue crack growth rate of BHW 35 steel was measured for two specimen geometries, three cyclic strain raties and two orientations cf the crack plane.

本文对BHW35钢进行了两种几何形状试样、三种应变比和两种裂纹面取向条件下的低周疲劳裂纹扩展速率测定；

The critical strain as well as the fracture stress at crack tip can be evaluated.

利用这判据,裂纹尖端的临界应变和相应的临界应力可以确定.

Sometimes the operator when the plate because strain will directly when you crack plate edge.

有时操纵职员在装版时,因为绷紧时功于用力会间接不推裂印版边际.

This paper analyses the change of the strain energy in a region around the crack tip.

分析了裂纹尖端附近某一区域内的应变能的变化，提出了混合型裂纹等W线应变能准则。

There is a fracture process zone near the crack tip for the tensile strain softening materials.

在应变软化材料的主裂缝尖端存在一断裂过渡区。

The experiment results show that composites with large braiding angle have complex crack forms under uniaxial tensile loading and the tensile stress-strain curves take on nonlinear characters.

实验数据表明：大编织角复合材料在单向拉伸作用下的破坏形式较为复杂，其应力-应变曲线呈现非线性特性。

On the basis of MTS 810. 15 universal tester, a set of test installation for plain-strain crack-arrest fracture toughness ( K_ ( ia)) testing was established. The test of K_ ( ia) of natural gas transporting pipes was carried out.

建立起以MTS810.15万能材料试验机为主体的材料止裂韧性试验装置，对石油天然气输送管材进行了平面应变止裂韧性（K（la））测试。

In order to ensure solid motor with cracked grain to be successfully launched, the strain and stress concentration at the tips of crack should be released by shoveling slot on the crack of grain surface.

工程实际中通常采用于药柱表面裂纹处铲槽的方法来释放裂纹尖端的应力应变集中，以确保药柱含裂纹的固体发动机能正常点火发射。

Concrete and masonry is weak in tension and crack when the tensile strain is of the order of 0.000 2~ 0.000 5, the dangerous section of split is very dangerous.

砼及砌体抗压强度高，抗拉强度很低，极限拉应变约为0.0002～0.0005，危险截面是脆性破坏，因此裂缝的出现和开展是危险的。

Research on Special-shape Test Plate Imitating Fatigue Crack Propagation in High Strain Region in Nozzle-to-Cyclinder

异型试板模拟压力容器接管高应变区疲劳扩展规律的试验研究