impact toughness

Technological Test for Improving the Impact Toughness of Quenched and Tempered Steel Forgings

提高调质钢锻件冲击韧性的工艺试验

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When rising tempering temperature to the range of 300~ 375 ℃, impact toughness of the steel is decreased to the lowest.

回火温度升至330～375℃时，冲击韧性降至最低；

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At the same quenching temperature, as the tempering time extended and tempering temperature rise, the strength of the sample decreased, plasticity, impact toughness and corrosion resistance increased.

随着回火温度和回火时间的增加，相同淬火温度下试样的强度下降，塑性、冲击韧性和耐腐蚀性均提高。

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, was improved compared with current carbon slide plates: friction coefficient was reduced by 54.5%, abrasion rate de-creased by 41%, impact toughness increased by 9.6 times and conductance increased by 87 times.

与当前正在使用的碳滑板相比，其摩擦系数降低54.5%，磨损量减少41%，冲击韧性提高9.6倍，导电性增强87倍。

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Impact toughness of HP295 steel plate were investigated at different finishing temperature and test temperature by means of instrumented impact test.

应用示波冲击试验技术测量了不同终轧温度下HP295钢板在系列温度下的冲击韧性。

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Influence of thermal cycle on impact toughness of HAZ of high-Nb pipeline steel

热循环对高铌管线钢焊接热影响区冲击韧性的影响

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The results show that fracture failure is resulted from the coarse grain size of raw materials which causes very low impact toughness at low temperature; when eccentric loading and impact load stage changing, it leads to the cylinder cracking.

结果表明，由于原材料晶粒粗大，导致材料的低温冲击韧度非常低，在偏载和换级时的冲击载荷导致液压缸断裂失效。

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Mn Nb steel is a ship plate steel with excellent complex properties. Because it has non stationary impact toughness the product quality and quality escalation are directly influenced.

09Mn Nb钢是一种综合性能良好的船体结构用钢，但其冲击韧性不稳定直接影响着产品质量和质量升级。

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The structure and sizes of ACR and composite latex particles were investigated through transmission electron microscopy and dynamic laser scattering method. The morphology and impact toughness of the obtained materials were characterized.

借助动态光散射法和透射电镜考察了ACR与复合乳胶粒的粒径与结构，表征了所研制材料的形态和冲击韧性。

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After tempering within the range 450~ 550 ℃, impact toughness dropped, and transition temperature increased. This tempering embrittlement mainly depends on M_7C_3 precipitation.

450～550℃回火，冲击韧性下降，转变温度升高，该回火脆性主要取决于M7C3沉淀。

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With increasing corrosion time the impact toughness of high Mn steel obviously decreased. The major mechanism was effect of the caustic embrittlement cracking.

随着热强碱腐蚀时间的延长，高锰钢的冲击韧度明显降低，碱脆开裂是造成高锰钢冲击韧度下降的主要原因。

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The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.

舞钢研制开发的调质钢WH80Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。

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Analysis of the Impact Toughness Test and Fracture of Rail Thermit Welding Joints at Low Temperature

低温下铁路钢轨铝热焊缝接头冲击韧性试验与断口分析

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It has low diffusible hydrogen and good low-temperature impact toughness, suitable for welding middle-carbon steel and pressure containers of low-temperature steel.

扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。

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This technology test presentation is about procedure test of weld joint property of Cr-Mo steel through normalizing heat treatment, including the tensile strength and impact toughness under low temperature.

介绍了正火处理的Cr-Mo钢焊接接头性能的工艺试验情况，重点探讨了焊接接头抗拉强度和低温冲击性能的影响因素。

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This paper presents a new paramtter& the concentration gradient of phosphorus segregation| dX_p/ dL| which is concerned with TE, IGF and DBTT according to a series of AES tests, tensile and impact toughness experiments.

本文通过一系列AES试验、拉伸以及冲击试验，提出了与钢材回火脆性、沿晶脆断及韧脆转变温度有密切关系的新参数&磷偏聚浓度梯度（dX p）╱（dL）。

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Impact toughness and Micromechanism of 93w-ni-fe alloy in high speed impact load

高速冲击载荷下93W-Ni-Fe合金冲击韧性及微观机制

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Good performance of impact toughness, horizontal cold bending and sinking-resistance are all needed in the use of automobile beam steel. Besides, it was required for high dimension accuracy and good shape.

汽车大梁板必须具有一定的冲击韧性、较高的横向冷弯性能和抗凹性能，同时要求尺寸精度高、板形好。

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In this paper, by weld thermo-simulation test with different peak temperatures, the variation of HAZ charpy impact toughness of Cr-Al steel was determined.

本研究采用模拟焊接热循环试验方法，测定了Cr-Al钢被加热到不同峰值温度后热影响区冲击韧性的变化。

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Austenitic stainless steel welding metal-196 ℃ cryogenic impact toughness technological test

奥氏体不锈钢焊缝金属-196℃低温冲击韧性工艺性试验

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Effect of curing procedure on the impact toughness of adhesively bonded joints

固化工艺对胶接接头冲击性能的影响

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The results show that better combination of low temperature impact toughness, fracture toughness and tensile strength can be obtained by quenching at between 860 ° C and 920 ° C and tempering at from 550 ° C to 600 ° C.

实验结果表明，淬火温度为860～920°C，回火温度为550～600°C时，该钢的低温冲击韧性、断裂韧性和抗拉强度可获良好的匹配。

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The effects of hot working parameters on the impact toughness of spring steel

热加工参数对弹簧钢冲击韧性的影响

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Study on Synthesis of epdm-g-man and impact toughness of AEMS

EPDM-g-MAN的合成及AEMS的冲击性能研究

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The test results show that the tensile strength and the impact toughness at low temperature of the welding joint are both slightly lower than that of the base metal.

实验结果表明，焊接接头的抗拉强度和低温冲击韧性都略低于母材值。

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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。

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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。

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Along with growth of water content, impact toughness constantly increases until it reach its peak 23.3%.

随着含水量的增加冲击韧度不断增加并在23.3%达到最大值，然后不断减小并趋于纯冰的冲击韧度1969J/m~2。

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The mechanical properties and weldabilities of X80 pipeline steel were investigated by testing hardness, tensile strength and impact toughness in this paper.

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。

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Adding compound Nb, V can enhance the strength of steel, while plastic and low-temperature impact toughness descend smally.

其中，Nb、V复合加入在提高铸钢强度的同时，塑性和低温冲击韧性下降较少。

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