本文分析了薄焊接试板弯曲试样失效的原因，并对减少失效的可能性作出了阐述。
The paper discusses the reasons why the welded test sample loses its efficiency and suggests how to reduce possibilities of such failure.
本文，对混凝土弯曲试样进行了测试，并用四种不同的方法进行了平面应变断裂韧性的计算和比较。
In this paper, the test results of bending concrete specimens are shown, and the vlues of plane-strain fracture toughness, calculated by four different methods, are compared with one another.
在各弯曲试样得到不同的预应变后，又对其进行反向加载，记录不同预应变下各试样反向加载的弯矩随表面应变的变化曲线。
In these experiments, specimens were bending to produce different pre-strain respectively, and then reverse bending were taken one by one.
基于这种分析结果，提出了板材弯曲疲劳等应力试样设计原理以及推荐试样的形状和尺寸。
Based on the analysis, the principle of iso-stress sample design and the shape and dimensions of a recommended iso-stress specimen for bending fatigue of sheet materials have been suggested.
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。
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.
这种等应力试样在研究弯曲疲劳，尤其是在弯曲条件下研究疲劳过程中裂纹产生和扩展机理时，将显示出明显的优越性。
The superiority of this design over the conventional one will reveal itself in the studies on the mechanisms of crack initiation and growth in fatigue process under bending condition.
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.
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.
在弯曲变形的前期，载荷和位移曲线都成线性变化，干态试样在载荷达到峰值之前会出现小的波动。
The load and displacement curves is linear at the early stages of the flexural deformation, the dry samples have a little fluctuation before reach the load peak.
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.
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.
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.
试样的方向及状态对板材的室温抗拉性能及弯曲塑-脆转变温度的影响也在本文中进行了讨论。
The influence of the orientation and condition on the ambient temperature tensile properties and the bending duc-tile-to-brittle transition temperature of P/M TZM sheet are also discussed.
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.
结果表明，保护性高温烧结工艺的发热体可进行热态弯曲成形，表面没有发现裂纹，试样中的气孔已明显球化。
The result shows that the heating element of protect high temperature burning procedure could heat bend. No crack on the surface was found and pore was evidence spheroid.
本文研究了碳/环氧复合材料在拉伸和弯曲过程中试样电阻率随外力作用而变化情况，并建立了电阻与应变关系曲线。
The resistance variation of carbon-epoxy composite during strain and flexural were studied on this paper, and the relation curve of the resistance with strain was drawn.
本文研究了碳/环氧复合材料在拉伸和弯曲过程中试样电阻率随外力作用而变化情况，并建立了电阻与应变关系曲线。
The resistance variation of carbon-epoxy composite during strain and flexural were studied on this paper, and the relation curve of the resistance with strain was drawn.
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