冲击功
- 网络Impact energy;AKV;N.M
![冲击功](../cache/1337530.jpg)
-
用正交分析法研究了磨粒、冲击功和pH值在低碳高合金钢冲击腐蚀磨损过程中的作用。
Using the orthogonal analysis investigated the effect of abrasions , impact energy and PH No. to the low carbon high alloy steel in corrosive impact wear .
-
亚表层中介稳奥氏体发生应变诱发马氏体相变,转变能来源于外界冲击功,其值为434J·mol-1。
The strain induced martensite took place at subsurface . The energy of martensite tranformation comes from impact energy , value of which is 434J · mo1 - 1 .
-
冲击功与COD转变温度的相关关系
A Correlation Between Transition Temperatures of Absorbed Energy and Fracture Toughness , COD
-
结果表明,影响横向冲击功的是C、Mn、S三元素的含量。
It is turned out the content of elements C , Mn and S affects the lateral impact energy .
-
利用带侧槽预裂纹三点弯曲型试样的冲击功确定K(IC)的方法研究
Determination of KIC by using the impact method of testing side & grooved precracked three point bend specimens
-
如淬火+回火态的变形抗力和变形能力都较高,但其总冲击功仅比正火态平均高6J,可却使其材料的裂纹扩展功平均提高16.78J。
The total impact works was 6J higher than which in normalized in average , however , the crack propagation works was 16 . 78J higher in average .
-
应用失效评估图技术估算表明,横向材料V型缺口夏比试样室温冲击功大于100J时,将显著减少钻杆内螺纹接头纵裂破坏,失效案例统计数据验证了这一结果。
It is found that 100J Charpy impacts energy of transverse material at room temperature may decrease the longitudinal crack of drill pipe box joint . Failure cases analysis prove the result .
-
结果表明,采用氮气保护再流焊工艺得到的PBGA组装板的最大弯曲试验载荷和冲击功比采用压缩空气对流再流焊工艺的组装板要高。
The results show that the maximum impact force and the impact energy for PBGA assemblies reflowed in nitrogen ambient is higher than those reflowed in compressed air .
-
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。
After ESR the 77 K impact work is up to 300 J , the fracture mode is of mixed microvoid coalescence and quasi cleavage .
-
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。
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 .
-
在碳锰钢中添加单一稀土元素镧和铈,通过测试其腐蚀速度和点蚀特征参数值,考察了材料耐蚀性能的变化。J(IC)和冲击功A(KV)之间的关系研究
In this paper , experiments were made on carbon-manganese steel with La and Ce respectively to observe corrosion parameters such as rate of corrosion , pitting and so on . Investigate on the Correlation between Fracture Toughness J_ ( IC ) and CVN for Low Carbon-Manganese Steel
-
在20℃~-100℃温度范围内,裂纹形成功(Ei)基本不变,裂纹扩展功(Ep)显示与总冲击功相一致的转变特征。
In the temperatuer range from 20 ℃ to - 100 ℃ , the crack initiation energy E I is almost unchanged , but its crack propagation energy E p has a transition characteristics very similar to that of the total impact energy .
-
为了使-20℃的V型缺口试样冲击功A(Kv)≥50J,必须将酸溶硼含量控制在0.0020%以下,分析了硼影响韧性的原因。
There is a linear relationship between boron content and toughness . The boron content must be controlled below 0.0020 % in order to make AKV ≥ 50J . A discussion was made on the cause of influence of boron on the low temperature toughness .
-
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。
The strong instability of-40 ℃ longitudinal impact strength of E42 shipbuilding steel observed in trial production was studied by using different processes .
-
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。
The drill pipe failure assessment demonstrates the longitudinal brittle fracture will be avoided when the transverse impact power of the material is over 80J .
-
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%。
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 .
-
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。
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 .
-
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。
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 .
-
对还原气氛二步烧结件进行渗铜处理,渗铜件抗拉强度为480MPa,延伸率为13%,冲击功为140J。
The final parts sintered by two steps sintering in reducing atmospheres were then infiltrated with copper . The tensile strength of the material reached 480 MPa , elongation ratio 13 % and impact energy 140 J.
-
当在炉料中配加30%优质生铁,钢中(As+Sn)含量为0029%时,经580℃6000h时效后,室温冲击功为185J,满足标准要求。
While ( As + Sn ) content was 0.029 % by adding 30 % quality pig iron in charging , the ambient impact energy of steel after aging at 580 ℃ for 6 000 h was 185 J to meet the standard requirement .
-
大冲击功液动锤的研究及其应用
Research on Large Impact Energy Hydro - hammer and its Application
-
以冲击功测定硬质合金韧性
A Method for Determining the Toughness of WC-Co Alloys with Impact Energy
-
热轧中厚板冲击功的神经网络预报模型
ANN Prediction Model for Impact Energy of Hot Rolled Plate
-
精炼钢与非精炼钢对冲击功的影响
The effects of refined and unrefined steel on impact work
-
不同冲击功对中碳合金钢腐蚀磨损的影响
Effect of Impact Power on Corrosive Wear of Medium Carbon Alloy Steel
-
湿磨工况下冲击功对高锰钢腐蚀磨损交互作用的影响
Effect of Impact Energy on the Corrosion Wear of High Manganese Steel
-
20℃时的冲击功高达72.768J。
Impact energy gets to the maximum of 72.768 J at 20 ℃ .
-
液动旋冲接头冲击功测试方法研究
Study of Testing Method for Impact Work of Hydraulic Power Spin Rush Connector
-
大型气动穿孔机冲击功的测试方法研究
Test Research on Impact Power of Large Air Punch
-
此外,冲击功的提高使疲劳磨损加重,磨损质量损失均有所增加。
In addition , increasing the ballistic work can aggravate the fatigue wear .