An experiment on dynamic rock fracture toughness test using edge-notched disc specimen is presented.
提出用边切槽圆盘试样测量岩石动态断裂韧度的实验方法。
The method of toughness test such as Direct Crack Measurement and Indentation Strength by Bending etc. Are also introduced.
介绍了直接压痕法、弯曲压痕强度法等几种韧性测试方法。
The composition was optimized by tiny alloying, orthogonal test design and the hardness and impact toughness test for the different samples with different combination of alloy composition.
该技术采用微合金化，利用正交试验设计方法，对不同成分搭配的试样进行宏观硬度和冲击韧性测试，优化了合金成分。
The influence of pre-heating temperature on organization and performance of X80 pipeline steel was investigated by weld thermal simulation technique and the instrumented Charpy impact toughness test.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
The influence of pre-heating temperature on organization and performance of X80 pipeline steel was investigated by weld thermal simulation technique and the instrumented Charpy impact toughness test.
文章分析了自保护药芯焊丝的主要成分及作用，介绍了天津市金桥焊材集团有限公司研制的X80管道钢用自保护药芯焊丝的力学性能试验结果。
"After going through it I feel quite happy now, " she said. "I think Gaokao is a very good training -- not as a test of my academic studies, but of my mental toughness.
“经历了高考我感到很开心，”她说，“我觉得高考是个非常好的锻炼，不仅仅是我学习能力的测试，更是为韧性的锻炼。
But in fact Mr Obama passes the Cheney test fairly well, providing a well-calibrated combination of toughness and strategic innovation.
但事实上奥巴马很好地通过了切尼的测验，他提出了一个更为精准的结合强硬和战略革新的组合体。
In this paper, the dynamic fracture toughness measuring method for 921a shipbuilding steel is studied by instrumented Charpy impact test.
本文利用示波冲击试验，对船用921A钢动态断裂韧性的测试方法进行了研究。
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.
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。
Test showed that the low temperature quenching process may cause the outer rings to have excellent and stable strength, toughness and wear-resistance.
试验结果表明，低温淬火工艺可使外套圈获得优良强韧性与耐磨性。
The results of mechanical test show that is bending strength, toughness against impact and void ratios can be improved after the rich iron matris is added with rare earth.
力学性能测试结果表明：添加稀土的富铁胎体及其金刚石复合材料的抗弯强度、冲击韧性和孔隙度均有明显的改善。
Through hardness test, impacting test, SEM of failure surface and microstructure observation, the relationship between the toughness and its microstructure of welding joint of T92 steel was studied.
通过硬度试验、冲击试验、断口扫描和金相组织观察，研究了T92钢焊接接头的韧性与组织的关系。
Within the range of test temperature, the factors controlling the toughness are fracture loads, the lengths of fibrous crack, and the energy absorbed by each fibrous crack extension.
在试验温度区内，控制韧性的因素是断裂载荷、纤维裂纹长度和单位纤维裂纹扩展能量。
Meanwhile the optimal welding parameter which was suitable for welding line impact toughness was gained by analysis on the test result of impact toughness and microstructure.
通过对冲击韧性的测试结果与微观组织的分析，确定出使焊缝冲击韧性最佳的焊接工艺参数。
After chemical and physical test, on conveyor chain material, it is concluded that the composition and various mechanical properties can meet the standard, except impact toughness at room temperature.
对圆环链母材进行理化检测，证明化学成分和各项力学性能指标均符合要求，只有常温冲击韧性不符合要求。
The life is short, must take the best use of time, has toughness, undergoing time test, suffering frustration, reaches the success place, can achieve the enterprise.
人生短暂，必须抓紧时间，有韧性，经受时间考验，历挫败，达胜境，才能成就一番事业。
Their fracture toughness and hardness were determined with Vicker's indentation test machine.
在维氏硬度仪上测试断裂韧性和硬度。
Experiments on bending toughness, breaking toughness and cube strength test results are carried out in connection with various kind of deformed steel fiber.
针对不同种类异形钢纤维进行了弯曲韧性、断裂韧性、立方体抗压强度等试验。
The influence of temperature on impact toughness increases with increase of impulse, and is quite smaller than the influence of impulse in the range of test temperature.
温度对冲击韧度的影响随冲量的增加而加大。在试验温度范围内温度的影响远远小于冲量对冲击韧度的影响。
The study and test of rolling technology were carried out because the strain-age impact toughness of D grade hull plate could not meet the standard by conventional rolling technology.
针对韶关钢铁集团公司在用常规热轧工艺开发薄规格D级船板时出现应变时效不合问题进行了研究和工业试验。
The effect of heat treatment on hardness and impact toughness of polynary Copper alloy has been studied by means of metallographic, XRD, SEM/EDS, TEM and mechanical property test.
文章通过金相、 X射线衍射（XRD）、扫描电镜（SEM/EDS）及透射电镜（TEM）和力学性能分析方法研究不同热处理工艺对含多元合金元素铜合金硬度和冲击韧性的影响。
Cast iron platform USES: used for machinery, engine power test, commissioning, and has good stability and toughness flat surface with T-slots, can be used to fixed laboratory equipment.
铸铁平台用途：用于机械、发动机的动力实验，设备调试，具有较好的平面稳定性和韧性，表面带有T型槽，可以用来固定实验设备。
Should have excellent toughness and surely ye rigidity, but after home appliance of the requested drop test and another efficacy test.
应拥有优秀的韧性和定然的刚性，可经过家电所请求的跌落测验和另外功效测验。
The method and standard of drop weight tear test were described. It was also discussed how to evaluate the capability of pipeline steel to transit from toughness to fracture by DWTT.
论述了落锤撕裂试验的方法和标准，并对用DWTT来评定管材及其焊接接头的韧脆转化能力进行了探讨。
Test results show that such steel can be mass produced with technology of a large converter plus the secondary refining, which can insure drill pipes for the transverse impact toughness.
试验表明，采用合适的冶炼工艺，大型转炉加炉外精炼能够批量生产超低硫低磷钻杆用钢，使钻杆获得高横向冲击韧性。
By changing the nolch local ion of Charpy impact test specimens studied the effect of nolch location on toughness and cracking process in multi-layer welds.
通过改变焊缝夏比冲击试样的缺口取向，研究了缺口位向对多层焊缝金属韧性及断裂过程的影响。
The results show that the fracture toughness of Kic increased with lower loading rate and higher test temperature and the incision depth has no significant impact on the test results.
结果显示，断裂韧度随加载速率降低和试验温度提高而增大，而切口深度对结果的影响不显著。
There was obvious scattering for the test results of dynamic fracture toughness under high loading rates.
断裂韧度数值在高加载速率下呈现出明显的离散性。
There was obvious scattering for the test results of dynamic fracture toughness under high loading rates.
断裂韧度数值在高加载速率下呈现出明显的离散性。
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