tensile specimen

According to strain analysis of points around the circumference of a tensile specimen with circular crosss section, a new extensometer is developed to eliminate automatically the influence from eccentric loading.

本文基于拉伸圆截面试样圆周上各点的应变分析，提出一种自动消除载荷偏心影响的引伸计。

Along the longitude of the tensile specimen, the integration of the decrease in Mises equivalent stress in the softest zone is equal to that of the increase in its adjacent zones.

最软区Mises等效应力的降低量和与之相邻区域的增加量在试样长度上的积分相等。

According to the processing performance titanium alloy materials, using a CNC machining center processing the tensile test specimen.

根据钛合金材料的加工工艺性能，采用数控加工中心加工出拉伸实验所用试件。

Stress and strain analysis in metallic tensile specimen with different notch root radius

金属材料不同缺口根半径拉伸试样中的应力应变分析

By using Spark atomic emission spectrometer, Plasma spectroscopy, X-ray diffraction, Optical microscopy and SEM, the changes of composition and microstructure were measured. By using Tensile specimen machine and Vickers hardness tester, mechanical properties were measured.

用火花原子放射光谱仪、等离子体光谱仪、X-Ray衍射仪、金相显微镜、场发射扫描电镜等手段测定了试样成份、显微组织和结构，用拉伸试样机、维氏硬度计测定了试样的力学性能。

The first chapter aims at revealing various meso-deformation characteristics, such as crystalline slip and grain boundary slide, which are recorded under scaning electronic microscope for high purity aluminum tensile specimen at room temperature.

论文中第一章通过对高纯多晶铝室温拉伸的刻线扫描电镜动态观察，获得了包括晶粒内部滑移、晶界滑错等丰富翔实的多晶体细观变形特征。

The in situ tensile test under TEM for thin foil specimen of brass showed that a lot of dislocations could be emitted from a loaded crack tip and a dislocation free zone ( DFZ) could form after reaching equilibrium.

黄铜薄膜试样在透射电镜中原位拉伸观察表明，在平衡条件下加载裂尘发出的位错钝化成无位错区，它是一个应变很高的异常弹性区。

The boundary element method is used to analyze the influence of pin con-tact angle and pin-hole radius on the potential function of compact tensile specimen under three current input types.

本文用边界元法对销钉接触角及销钉孔半径对三种电流输入方式下紧凑拉伸试样的电位函数影响进行了分析。

On the effect of tensile specimen section shape on void damage of ductile materials

截面形状对材料微孔洞损伤破坏的影响

Fracture surface of tensile specimen with aluminum foil are fairly flush, there are river-like patterns and tear ridge.

高压箔的拉伸试样断口比较平齐，有河流状花样和撕裂岭。

Effect of geometric factors of tensile specimen on elongation

拉伸试件几何因素对延伸率影响的研究

Analysis on the Destruction Procedure of the Tensile Shear Specimen

金属胶接接头拉剪破坏过程分析

The amplitude gratings are used to measure the creep deformation of tensile specimen and the holographic gratings are used to measure the residual creep deformation of tensile specimen with stress concentration.

然后应用双镀层高温全息光栅对带孔拉伸试件的600℃高温拉伸残余蠕变变形进行测量。

According to the analysis of experimental data, based on the theoretical model of composite, we can get a theoretical tensile curve of specimen and the theoretical deflection curves on 3-point bending load bending, then compared them with experimental data respectively.

分析实验数据，并根据复合材料理论分析模型，得出试件理论拉伸曲线和三点弯曲载荷下的理论挠曲线，分别与实验数据进行比较。

It was found that at low injection rate the tensile specimen has the best performance for both tensile strength and impact toughness; at low melt temperature, although the tensile properties of the sample is better, but its impact toughness is reduced.

研究发现，低注射速率条件下试样有最优的拉伸性能与冲击韧性；低熔体温度条件下的试样虽然拉伸性能较好，但其冲击韧性反而降低。

Hydrogen embrittlement index ( 1%) of welds and heat affected zone ( HAZ) of C-Mn steel welded joints are studied by means of smooth and notched tensile specimen.

用光滑和缺口拉伸试件，对C-Mn钢的焊态和焊接热影响区的热模拟态进行氢脆敏感性指数的研究，并进行了金相与断口的SEM，TEM，AES的微区分析。

Influence of void nucleation and growth on deformation localization in tensile sheet specimen

微孔洞生长对板材拉伸过程中变形局部化的影响

After the castings of tensile specimen were all earmarked, a static tensile test was used to evaluate their tensile strength, 0.2% yield strength and elongation, refer to the ISO specification 9693.

⑶对拉伸试样的铸件进行标记后，参照ISO9693标准，采用静拉伸实验测试其拉伸强度、0.2%屈服强度以及拉伸率。

Fractography of the quenched tensile specimen under cycling treatment changes from dimple pattern to mixed fracture with dimple and tear ridges.

循环温度场作用下淬火态合金拉伸试样断口由韧窝型断裂向韧窝和撕裂棱混合型断裂转变。

Some important mechanical properties of oriented polymer molecular bundles within the craze profile have been analogically investigated on simple tensile specimen by laser speckle interferometry.

本文用简单拉伸模拟扣激光散斑干涉试验研究了某些固体高分子材料在出现宏观裂纹之前的银纹中纤维束分子定向影响、非线性特性等一些重要力学特性。

A forging mould was designed and manufactured to forge the tensile specimen.

自行设计了一套锻模，用以成形标准拉伸试样。

Based on tensile testing for different width specimens of geotextiles, the relationship between specimen width and breaking strength, breaking elongation, lateral contraction, strength of fixed elongation and elasticity modulus were analyzed.

通过对土工织物不同宽度的拉伸试验，分析了土工织物试样宽度与断裂强度、断裂伸长率、侧向收缩率、定伸长强度、弹性模量之间的关系。

The dislocation microstructures in the tensile specimen of aluminium lithium alloys 2090 with addition of minor rare earth element cerium ( 2090+ Ce) were investigated by means of TEM ( electron transmission microscopy).

本工作利用TEM技术对添加微量稀土铈的2090铝锂合金（2090+Ce）拉伸试样中位错组态进行了观察。

Calibration is also made by using a tensile specimen. Both results are coincidental.

分别用直条试件和圆盘试件进行了实例标定，两种标定结果一致。

Transgranular cleavage fracture is shown for the charged layer in tensile specimen.

拉伸试样表面充氢层的断口是穿晶解理断口。

The specimen deforms under a tensile stress applied parallel to the fibres.

试样在平行于纤维的张应力作用下发生变形.

A multiplying factor on void growth was determined using smooth tensile specimen tests and pre-cracked side-grooved three-point bend bar tests.

由光滑拉伸试样和预制裂纹侧槽三点弯曲试样试验所确定的空穴增长系数，可能适宜较宽的试样拘束变化范围。

The distribution of transversely induced compressive stresses in the uni-and biaxial diagonal tensile test of square specimen ( YBT) is analysed by means of finite element method.

利用有限元法分析方板在单向和双向对角拉伸条件下诱导压应力的变化规律。

The measurement of j& integral value for rotor centre core by using round compact tensile specimen

用小型圆形紧凑拉伸试样测定转子芯料的J积分值

SiC particles and dimple are present in the fracture of the tensile specimen of SiC P/ MB 2 composites, there is interfacial debonding between the SiC particles and the matrix in the tensile fracture at the elevated temperature.

复合材料的拉伸试样断口存在SiC颗粒和韧窝，高温拉伸试样断口存在界面脱粘。