通过不同温度条件下不同厚度、不同缺口取向含V形缺口试样进行3点弯曲试验研究，发现X70管线钢具有严重的各向异性现象，其在平行钢板表面方向和沿钢板厚度方向力学性能差异较大。
The effects of thickness and notch orientation on the toughness of X70 pipeline steel samples with V notch were investigated experimentally by use of the 3-point bending test at different temperature.
弯曲试验规定值适用于横向试样。
然后测量涂层和基体的硬度，并通过采用旋转弯曲疲劳试验比较涂层试样与未涂层试样的疲劳强度。
Then hardness of coatings and substrate was measured. By means of bend-rotation fatigue tests, fatigue strength of coating and uncoating specimens was compared after hardening and tempering.
本研究进行了渗硼试样的拉伸、多次冲击以及旋转弯曲疲劳试验，并与未渗硼试样进行比较。
In the present study, tensile and repeated impact as well as rotated-bending fatigue tests were carried out.
给出混凝土梁试样静态和疲劳弯曲损伤度试验分析计算式。
Analysis of test results of concrete beams which are subject to static and fatigue load is formulated.
并由此提出以落锤试样静载弯曲试验做为一种新的简易止裂试验方法。
So it is pointed out that the drop test sample static bending test is a new and simple crack stop test. The experimental result indicated that the method is available.
对两种晶粒尺寸的中碳钢光滑试样进行了旋转弯曲疲劳试验；应用复型技术监测了短裂纹形成与扩展过程，研究了晶粒尺寸对短裂纹行为的影响。
The process of crack initiation and propagation was observed through replication, and the effect of grain size on the behaviour of short fatigue cracks was studied.
在裂纹扩展试验中，试样切口后使其弯曲并产生微小裂纹，在试件上继续加力直到裂纹扩大为止。
For crack-opening displacement tests, a specimen is notched and then fatigued by flexing to obtain a fine crack. Force is then applied until the crack begins to grow.
表中所列拉伸试验规定值适用于纵向试样，弯曲试验规定值适用于横向试样。
Tensile test specified values listed in the table apply to longitudinal samples. Bending test specified values apply to horizontal samples.
表中所列拉伸试验规定值适用于纵向试样，弯曲试验规定值适用于横向试样。
Tensile test specified values listed in the table apply to longitudinal samples. Bending test specified values apply to horizontal samples.
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