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1)  impact toughness at room temperature
常温冲击韧性
1.
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。
2)  low temperature impact toughness
低温冲击韧性
1.
This article analyzes why the low temperature impact toughness of the trial hot rolled H-section steel in the Section Mill is relative low, and brings forward the ways to optimize and improve manufacturing technique.
分析了型钢厂试制热轧美标H型钢低温冲击韧性偏低的原因,并在此基础上提出了对生产工艺的优化与改进。
2.
Conventional tensile strength and low temperature impact toughness were tested,and the appearance and microstructure of the impact fracture were analyzed.
对石油机械用NJ110钢进行了4组热处理工艺试验,测试了常规拉伸性能和低温冲击韧性,并对冲击断口的形貌进行观察和显微组织分析。
3.
Through the analysis and study of the specifications for the forked type forgings,this article has set forth the required method to ensure the low temperature impact toughness of the forked type forgings from the aspects of processes of melting,forging and heat treatment.
通过对叉型块锻件技术要求的分析研究,提出从冶炼、锻造、热处理工艺方面保证叉型块锻件的低温冲击韧性要求的方法。
3)  low-temperature impact toughness
低温冲击韧性
1.
Judgment and selection were made of the welding procedure for circumferential seam welding of large-diameter & Oslash 1372 × 12 × L/Q345E steel pipe, based on low-temperature impact toughness, the major requirement for the welds.
概述了对φ1 372×12×L/Q345E钢管对接环缝的主要性能要求,即低温冲击韧性;进行焊接工艺评定和依据所得结果进行分析,获得可行的焊接工艺,保证了所要的低温冲击韧性。
2.
The low-temperature impact toughness of 3.
5N i厚钢板低温冲击韧性较低的问题,通过试验研究和生产实践,从理论和实践上探讨了两相区淬火对钢板低温冲击韧性的影响。
4)  Cryogenic Impact Toughness
低温冲击韧性
1.
Influence of Nitrogen on Cryogenic Impact Toughness of Austenitic Steel Fe 38Mn;
氮对Fe-38Mn奥氏体钢低温冲击韧性的影响
2.
The influences of heat treatment on microstructure,room-temperature mechanical properties and cryogenic impact toughness were studied.
针对极地石油钻机用大钩对材料的性能要求,设计了一种含Cr、Ni低合金低温铸钢,考察了不同热处理工艺对材料组织、室温力学性能以及低温冲击韧性的影响。
5)  toughness index
冲击韧性
1.
The relationship between toughness index of synthetic diamond and crystal quality was studied by measuring with toughness index apparatus and diashape system.
采用冲击韧性仪和Diashape系统对不同品级的金刚石样品进行冲击韧性和晶体品质测定,探讨金刚石冲击韧性与品质参数之间的相关性。
2.
Now, the examination of toughness index for synthetic diamond has already been carried out in mach enterprises of China, However, there is still a big difference in quality performance examination of synthetic diamond in comparison with international advanced level .
目前 ,我国金刚石冲击韧性的检测已在许多企业进行 ,但是人造金刚石的质量和性能以及检测方法和标准与国际先进水平相比 ,仍存在差距 ,为了适应国际市场的需求 ,提高金刚石的产品质量 ,并尽快与国际先进标准接轨 ,研究并制定人造金刚石的冲击韧性检测标准是非常重要
3.
The relationship between toughness index of synthetic diamond and crystal quality was studied by measuring with toughness index apparatus and diashape system.
采用冲击韧性仪和 Diashape 系统对不同品级的金刚石样品进行冲击韧性和晶体品质测定,探讨金刚石冲击韧性与品质参数之间的相关性。
6)  impact toughness
冲击韧性
1.
Study of the impact toughness of cemented carbide-steel 45 wear resisting composite;
硬质合金-45钢双金属复合耐磨材料冲击韧性研究
2.
Factors influencing the measuring of impact toughness of PDC by dropping objects;
落锤法测定PDC抗冲击韧性的影响因素
3.
Impact Toughness and Micro-Sub-Structure of a New Stainless Bearing Steel 6Cr14Mo;
新型不锈轴承钢6Cr14Mo冲击韧性与显微亚结构
补充资料:冲击韧性
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性质:表征材料抗冲击性的物理量。简支梁和悬臂梁冲击试验中,在冲击负荷作用下试样破坏时吸收的能量与其截面积之比(kJ/m2)。试样可以无缺口或有缺口;有缺口试样可降低破坏时所需之能量,称缺口冲击强度,截面积是缺口底部的截面积。该指标是材料的一项重要性能,有时也称抗冲强度或冲击韧性。另外也还有许多其他的抗冲击的试验方法以测定专指的一些抗冲击性能。例如:落锤冲击、落镖冲击等。冲击强度随升温而增大,尤其是在玻璃化温度附近。结晶时,特别是生成大尺寸的球晶结构往往使冲击强度降低。加入橡胶类聚合物等增韧剂则可提高冲击强度。

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