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 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.
试验表明，在T（10）钢中添加稀土元素对硬度没有明显的影响，但能显著改善该钢的冲击韧性。
The results show that RE additive may improve considerably the impact toughness and has little effect on hardness of steel T10.
经过试验测得添加助剂后的材料在抗冲击强度、硬度、氧指数等方面都有明显的改善。
After adding additives measured in experiment, the materials in the impact strength, hardness and oxygen index have been improved obviously.
从焊接性和焊接接头使用性能两个方面入手，结合焊接接头的硬度、拉伸和冲击韧度的测试，对X80管线钢的焊接性能进行了试验分析。
The mechanical properties and weldabilities of X80 pipeline steel were investigated by testing hardness, tensile strength and impact toughness in this paper.
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。
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.
试验结果表明，纳米粒子均匀地分散在纳米塑料中，激光功率对纳米塑料的洛氏硬度及缺口抗冲击强度有显著影响。
The testing results indicate that nanosized particles are uniformly located within bulk nanoplastics, and laser powers can strongly affect the HRL and notch impact strength of nanoplastics.
连接副机械性能检测，采用微机控制的拉力机、冲击试验机及各种硬度计以保证测试精度。
Bolting mechanical properties are tested by the tensile strength tester, impact tester and hardness testers, to guarantee the detect precision.
综合力学性能分析主要包括低温冲击试验、维氏硬度试验、室温拉伸试验和弯曲试验。
The comprehensive mechanical properties analysis mainly includes Cryogenic impact test, Vickers hardness test, the Tensile testing at ambient temperature and the Bending test.
应用人工神经网络理论，合理选择激光冲击参数，对球墨铸铁QT450-10进行了激光冲击试验，并用扫描电镜和数显硬度仪等进行了分析。
Selecting laser shocking parameters with the application of artificial neural networks theory, the high power density, neodymium -glass laser is used to laser shock process ductile iron QT450 - 10.
与未加微量元素的试验钢相比，在硬度基本相同的情况下，无缺口冲击韧性和强度分别提高192 %和16 %，伸长率提高6 5 %。
Compared with the steel without adding trace elements, non breach impact toughness, UTS and elongation were increased by 192 %, 16 % and 65 % respectively, but hardness was not obviously changed.
与未加微量元素的试验钢相比，在硬度基本相同的情况下，无缺口冲击韧性和强度分别提高192 %和16 %，伸长率提高6 5 %。
Compared with the steel without adding trace elements, non breach impact toughness, UTS and elongation were increased by 192 %, 16 % and 65 % respectively, but hardness was not obviously changed.
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