research on microstructure and work hardening mechanism of high manganese steel by simulating actual working condition

1、

the system for measuring the blow energy of the liquid-jet hammer with a non-contact method

射流式液动锤冲击功非接触测量系统

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2、

theory and experimental study of hydro-efflux hammer with accumulator used in oil and gas drilling

油气井液动锤使用蓄能器增大冲击功理论分析及实验研究

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3、

influences of metallographic structure for 310 z shaped steel on low-temperature impact work

310乙字钢组织对低温冲击功的影响

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4、

research on new hydro hammer with high impact energy

新型高冲击功液动潜孔锤的研究

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5、

test research on impact power of large air punch

大型气动穿孔机冲击功的测试方法研究

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6、

study of testing method for impact work of hydraulic power spin rush connector

液动旋冲接头冲击功测试方法研究

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7、

effect of impact energy on the corrosion wear of high manganese steel

湿磨工况下冲击功对高锰钢腐蚀磨损交互作用的影响

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8、

ann prediction model for impact energy of hot rolled plate

热轧中厚板冲击功的神经网络预报模型

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9、

a method for determining the toughness of wc-co alloys with impact energy

以冲击功测定硬质合金韧性

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10、

research on large impact energy hydro-hammer and its application

大冲击功液动锤的研究及其应用

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11、

the results show that, the strength and charpy impact energy of the steel firstly increases then decreases as the silicon content increases and the strength and charpy impact energy is maximum at some silicon content.

结果表明，Si-Mn-Mo系低碳贝氏体钢的强度和夏氏冲击功均随硅含量的增加呈先升高后降低的规律变化，在某一硅含量下两者同时达到最大。

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12、

to investigate the reason of the great difference in impact toughness of welding seam of high frequency welding pipe, samples taken from base metal, heat affected zone and welding seam were analyzed through microscopy.

为查明J55钢高频焊管焊缝处的冲击功差异较大的原因，对母材、焊接热影响区及焊接区进行了微观分析。

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13、

the synergistic effect increased with the increasing of impact energy as to the high manganese steel, which accounted for 12.08%, 19.50%, 23.11% and 26.70% respectively.

高锰钢腐蚀磨损交互作用随着冲击功的增大而增大，冲击功为1J、2J、3J、4J时的交互作用在总腐蚀磨损中所占比例分别为12.08%、19.50%、23.11%和26.70%。

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14、

the drill pipe failure assessment demonstrates the longitudinal brittle fracture will be avoided when the transverse impact power of the material is over 80j.

应用钻杆失效评估技术研究表明，横向材料冲击功大于80J将避免钻杆内螺纹接头纵向脆性开裂失效。

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15、

the strong instability of-40 ℃ longitudinal impact strength of e42 shipbuilding steel observed in trial production was studied by using different processes.

采用不同的生产工艺制度，对E42船板钢在工业试制生产中所产生的-40℃纵向冲击功波动较大的现象进行了研究。

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16、

for these results of mentioned above two methods, the experimental data fitted by the regression technique shows that there is a good corresponding relationship between shear strength and charpy impact value.

对上述两种方法的试验结果经过回归处理，表明剪切强度与Charpy冲击功之间有较好的对应关系。

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17、

after esr the 77 k impact work is up to 300 j, the fracture mode is of mixed microvoid coalescence and quasi cleavage.

经电渣重熔后，韧脆转变现象消失，77K的冲击功高达300J，断口以韧窝为主并有少量准解理小刻面。

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18、

it is turned out the content of elements c, mn and s affects the lateral impact energy.

结果表明，影响横向冲击功的是C、Mn、S三元素的含量。

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19、

a correlation between transition temperatures of absorbed energy and fracture toughness, cod

冲击功与COD转变温度的相关关系

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20、

impact energy gets to the maximum of 72.768 j at 20 ℃.

20℃时的冲击功高达72.768J。

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