拉伸试样表面充氢层的断口是穿晶解理断口。
Transgranular cleavage fracture is shown for the charged layer in tensile specimen.
提出的金属拉伸试样断口分析方法是可行的。
It is put forward that the analysis method of fracture surface of metallic tension test specimen is available.
本文就力学实践教学中拉伸试样断口形状问题进行探讨。
This paper discusses the fracture shape of the tensile test sample in practice teaching of mechanics.
本论文通过缺口拉伸试样的拉伸试验数据证明了以上关系。
In this paper, the experimental results of notch tensile specimens demonstrate the above relationships.
根据辐照监督管的特定形状,设计了半圆形非标准拉伸试样。
According to the special shape of the irradiation monitoring pipe, the semicircle shaped tensile samples are designed.
根据辐照监督管的特定形状,设计了半圆形非标准拉伸试样。
According to the special shape of the irradiation monitoring pipe, the semicircle-shaped tensile samples are designed.
设计了铝合金半固态模锻标准拉伸试样模具,采用一模五件。
In the paper, moulds of semi-solid forging standard tensile samples of aluminum alloys are designed, and one set of mould can produce five samples once a time.
用单边预裂纹拉伸试样测定了焊接接头各部位的应力强度因子K1值。
The stress intensity factors K1 of various position of welded joint were measured by single edge precracked tensile specimen.
在室温拉伸时长周期减小,拉伸试样再热处理时,长周期又逐渐增加。
It is shown that long period reduces when the samples are stretched at room temperature. However it increases after thermal treatment.
据此,以紧凑拉伸试样为例,讨论了影响速度的各参数及裂纹内的流态。
The flow state within the corrosion fatigue crack and the influence of other parameters on the flow velocity for compact tension specimen were discussed according to the model.
实践证明,降低板坯中心偏析,可大大降低船板轧后拉伸试样断口改判率。
Practice proves that it can largely decrease re-grading occurrence during rolled ship plate rupture tensile test by improving central segregation of slab.
通过试验研究了X65、X70级螺旋埋弧焊钢管不同拉伸试样——板状试样和圆棒试样的拉伸性能。
This paper studies the tensile properties of stripe and round bar specimens for high grade(API X65~X70) spiral submerged-arc welding(SSAW) steel pipes.
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。
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.
观察分析了拉伸试样的显微组织,并利用热力学经典模型,估算了温度对孪晶诱发塑性(TWIP)钢层错能的影响。
The microstructure of tensile samples was observed and analysed, and then the effect between stacking fault energy of TWIP steels and deformation temperature was calculated by thermodynamic model.
首先设计了相应的拉伸试样,进而对试验结果进行了对比分析,得到补焊焊缝的极限承载应力,为补焊管道的安全评价提供了依据。
The relevant tensile test specimens were designed and tested; then the test results were compared and analyzed to obtain the ultimate bearing stress. The study provides the basis for...
由于试样细观缺陷非均匀性的存在,导致岩石断裂主要由拉伸破坏引起,但拉剪混合破坏仍然存在,并对抗剪强度有较大的影响。
Due to the heterogeneity, rock failure mainly results from tensile damage but shear damage still exists, which has influence on the shear strength.
对6063铝合金试样在不同应力三轴度和不同应变率下进行拉伸试验,得到了该合金在这两种情况下的力学性能。
The specimens of 6063 aluminum alloy are tensioned under different stress triaxiality and different strain rates, the mechanical properties of 6063 aluminum alloy can be drawn.
对矩形试样拉伸试验测量的不确定度进行分析,得出了计算其不确定度的公式。
This paper analyzes the uncertainty of tensile test measurement for square specimen and gives formulae to calculate the uncertainty of measurement.
对试样进行了硬度、拉伸强度、断裂伸长率、热老化等性能试验;对老化后的试样表面进行了SEM表征。
Hardness, tensile strength, breaking elongation ratio and aging property of samples were tested and surface of sample after aging was represented by SEM.
在此基础上设计了用于双向拉伸的平板试样。
Based on this, the plate specimen is designed for bidirectional tensile.
用万能拉伸实验机和差示扫描量热仪(DSC)对物理老化和应变老化的ABS试样进行研究。
ABS samples of physical aging and strain aging were studied by universal tensile test machine and differential scanning calorimeter (DSC).
针对螺旋埋弧焊钢管横向板状试样在拉伸试验时存在的屈服强度误差较大的问题,分析了其误差较大的原因,并提出了相应的解决办法。
To the problem of more yield strength error in SSAW pipe transverse strip specimen tensile tests, analyze the reason of the error, put forward corresponding solving method.
本文采用单试样逆光拍照法对延性材料拉伸试验缩颈后的真实应力-应变进行了有效的测量。
The backlight photography with single sample was used to measure the true stress-strain of the ductile material after necking in tensile test.
断口扫描观察表明,试样破断是由于腐蚀隧洞沿滑移面生长并受到拉伸撕裂所致。
Fractured surface scanning observation showed that the breakage in specimen resulted from the corrosion tunnels generating along slip planes and being torn by tensile stress.
得出了在不同拉伸速度和边框长度条件下装置处于准静态时的临界剪切角,并且分析了织物试样尺寸大小对准静态范围的影响。
The critical shear Angle of quasi-static state was given under different loading speeds and frame lengths condition, and the influence of specimen size on this shear Angle range is also discussed.
室温下测量了试样的拉伸和冲击性能。
The tensile and impact properties of the specimens were measured at room temperature.
真空热循环试验前后CF/EP层合材料的拉伸性能由电子万能材料试验机完成,本文利用扫描电镜观测试样表面形貌和拉伸后的断口形貌。
The tensile strength and Young's modulus of CF/EP specimens before and after vacuum thermo-cycling were measured by an electrical universal material testing machine.
用声发射监测a 3钢板状试样的拉伸过程。
The tensile testing of A3 steel plate samples was monitored with acoustic emission.
研究进一步表明,材料变形的难易程度又与变温循环过程,热疲劳试样拉伸应力的增加和材料屈服强度的降低有关。
Moreover, it is revealed that the deformation resistance in the thermal cycle process is related to the increase of its tensile stress and the decrease of yield strength.
研究进一步表明,材料变形的难易程度又与变温循环过程,热疲劳试样拉伸应力的增加和材料屈服强度的降低有关。
Moreover, it is revealed that the deformation resistance in the thermal cycle process is related to the increase of its tensile stress and the decrease of yield strength.
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