tensile sample

This text has studied the tensile sample of 45 steel ψ value on the low side and to the bright spot in the fracture with H-800 transmission electron microscope.

用H-800型透射电子显微镜观察45号钢φ值不合格的拉伸试样，并对断口中亮斑、亮点区域分别进行了宏观和微观观察。

The Tensile Sample Fracture of 45 Steel Studied

45号钢拉伸断口形貌分析

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。

When temperature is same, the tensile strength of deformed sample will increase as increasing deformation, but it will not increase and will fall when the deformation exceeds a certain value.

在同一温度下变形所得试样抗拉强度随变形程度的增加而升高，变形程度达到一定值后，抗拉强度不再升高并有下降的趋势；

We develop the special matching for two sides machining of plate tensile sample by research its standard.

通过对板状试样开肩标准的研究，开发研制了用于板状试样开肩的专用设备。

Evaluation Method of Measurement Uncertainty for Tensile Strength of Arc Tube Tensile Sample

管材弧形试样抗拉强度测量不确定度评定方法

By means of in situ SEM tensile deformation and rod sample deformation tests, the effect of brittle fracture of Nd rich second phase particles on the fracture behaviors of a near α titanium alloy has been investigated.

通过薄片试样原位拉伸和圆棒拉伸实验研究了富Nd第二相颗粒的早期脆性断裂对一种近α型钛合金断裂行为的影响。

Tensile sample fracture is of typical toughness. Quench aging can significantly improve the strength and toughness of bonded joint and matrix, make the strengthening phase disperse in matrix, and eliminate local massive cleavage fracture.

淬火时效能显著提高接头和基体的强度与韧性，使强化相弥散分布于基体，消除块状局部解理断裂。

Analysis of disqualification of tensile sample fracture surface of high strength ship plates steel and improvement measures

高强船板拉伸试样断口不合格的检验分析及改进措施

Process fracture splitting groove with the 52D test sample in way of with the means of mechanical broaching, wire-electrode cutting and laser beam cutting. Do the tensile test on test sample and analyze the fracture force, fracture surface and microscopic figure.

用52D连杆加工试样，分别采用机械拉削、线切割和激光切割三种方法加工裂解槽，对试样进行拉伸试验，对断裂力、断裂面微观形貌进行分析。

The synthetic method of HIPS inserted nano-MMT was studied, the impact strength and the tensile strength of the sample were measured, the structure appearance of the sample's impact cross section was observed.

研究含纳米蒙脱土的高抗冲聚苯乙烯（HIPS）的制备工艺，测试了试样的冲击强度和拉伸强度等力学性能，观察了试样冲击断面的结构形态。

The Microfracture Analysis of the tensile Test sample of the Heavy Section Ductile Cast Iron Cask

厚大断面球铁核容器拉伸试样断口显微分析

Influence of Tensile Sample Size and Deformation at Length Direction on r-Value Measurement

拉伸试样尺寸与长度方向变形量对r值测量的影响

The result of and calculation indicates that this new type of the tensile sample with arc breaches has less influence on the measuring index and their accuracy can meet the demands of structural design.

试验与计算结果表明，这种新型圆弧缺口拉伸试件，对所测试延伸率指标的影响较小，其精度满足工程结构设计要求。

When the deformation temperature increases, the tensile strength of deformed sample will fall.

随变形温度的升高，变形所得试样抗拉强度下降；

It was different obviously between the critical macro-parameter of void divergence ratio VGC in the tensile abruption sample and those in the impact abruption sample ( diversity ratio up to the scale from 39% to 200%).

X80钢试样冲击断裂时的宏观形式的临界孔洞扩张比VGC与拉伸时的结果有很大的偏差（相差39%～200%）。

Analysis of incompetent tensile sample in low alloy plate

低合金中厚板拉伸性能不合格的断口分析

The tensile strength of the sample was improved notably with the increases of the vibration frequency and pressure, where the maximum increase was 41%.

随着振动频率和振动压力的增加，振动试样的拉伸强度得到明显改善，其最大增幅为41%。

It adopt numerical control system and linkage with three axes, two sides milling at same time with aplomb upright milling cutter at a batch plate tensile sample.

采用数控系统，通过三轴联动，在一个批量的板状试样上，用垂直立铣刀的方式，双面同时铣削。

Sometimes fault elongation appeared in the heavy and medium plate. The laminar tearing always appeared in the fracture of the tensile sample.

中厚板拉伸试样出现了延伸率不合问题，并且拉伸试样断口出现了层状撕裂现象。

Analysis Of Fracture Shape Of Low-carbon Steel Tensile Test Sample

低碳钢拉伸试样断口形状分析

Influencing Factors of Fracture Layered for Tensile Test Sample of High Strength Ship Plate Steel

高强度船体用结构钢拉伸试验样断口分层的影响因素

Development of Semicircle-Shaped Tensile Sample

半圆形拉伸试样的研制

The tensile performance and the fracture toughness of7B04 aluminium alloy have been determined, and the fracture of tensile sample is scanned.

通过比较不同时效工艺制度的性能指标和断口形貌，总结出时效制度对7B04铝合金断裂韧度的影响规律。

The test results show that with increase of plasticizer DOP content, surface hardness and tensile strength of sample decrease and breaking elongation ratio increases.

试验结果表明：随着增塑剂DOP含量的增加，试样表面硬度逐渐降低，拉伸强度逐渐降低，断裂伸长率逐渐增加；

Tensile test was carried out after tensile sample was heated to different temperature.

通过对试样加热后在热状态下进行拉伸，加热到不同温度下，钢材的屈服强度和抗拉强度有明显变化。

This paper discusses the fracture shape of the tensile test sample in practice teaching of mechanics.

本文就力学实践教学中拉伸试样断口形状问题进行探讨。

When the elongation of tensile sample was between 15% and 16%, due to many abnormality ductile and white impurity, some tiny cracks were found at their tine corner. These cracks spread rapidly through the crystal if they suffered the outside force;

而伸长率为15%～16%时，试样断口具有混合型断裂的微观特征，在尖角处易形成微裂纹源，受外力作用时，裂纹源迅速扩展，造成局部穿晶断裂；

In this paper, the mechanical property parameters of the adhesive were gotten by tensile test on standard sample at first.

但由于种种因素，胶粘剂性能的理论研究仍然很不成熟。

After annealing, the tensile strength of sample hot-dipped with Al-7% Si, improved remarkably, and the plastic deformation increase at the same time.

浸Al-7%Si退火后抗拉强度有显著提高，塑性也有所改善。