1) welding reheat cracking
焊接再热裂纹
2) welding hot cracking
焊接热裂纹
1.
Transverse compressive pre-stress method for controlling welding hot cracking of aluminum thin-plate
预置横向挤压载荷法防止铝合金薄板焊接热裂纹
2.
By using the transvarestraint test,the welding hot cracking susceptibility of aluminium-lithium(Al-Li) alloy and 2024 alloy has been estimated.
采用横向变拘束试验,研究铝锂合金(A合金)和2024合金的焊接热裂纹敏感性;并对焊缝组织进行分析,探讨它对两种合金焊接开裂倾向的影响。
3.
In this dissertation, a new technology named Welding with Trailing Rolling and pressing (WTRP) is put forward to control welding distortion and prevent welding hot cracking.
通过旋转挤压杆对焊接接头的不同部位施加一定的同步旋转挤压作用,控制焊缝区的应变场和塑性流变场的分布,从而有效的防止了焊接热裂纹,也将接头的焊后变形控制在较低的水平,强化了接头的薄弱环节。
3) welding hot crack
焊接热裂纹
1.
In order to reduce the tendency of hot crack in thin plate welding, a new process named Welding with Trailing Peening (WWTP) is used to prevent the weldments from welding hot crack by experiments and measurements from the view of mechanics.
针对焊接时薄板构件产生焊接热裂纹倾向大的缺点 ,从力学角度出发 ,采用随焊锤击的焊接新工艺 ,并利用试验和测试技术 ,来达到防止薄板焊接热裂纹的目的 ,开辟一条解决焊接热裂纹的新途径。
2.
Basing on the fundamental principle of electromagnetic induction, a new technology of controlling welding hot crack by electromagnetic forces during welding is put forward.
高强铝合金薄板-壳结构焊接时,存在焊接热裂纹敏感性高的缺点。
4) welding crack
焊接裂纹
1.
Metal magnetic memory signal recognition by neural network for welding crack;
焊接裂纹金属磁记忆信号的神经网络识别
2.
Available time and dubious zone size of welding crack by metal magnetic memory method;
金属磁记忆法检测焊接裂纹的时间空间有效性
3.
Remedy and analysis of welding crack for cone-shaped variant section of thick wall pressure vessel on Q345·C;
Q345·C厚壁压力容器锥体变径段焊接裂纹分析及返修
5) weld crack
焊接裂纹
1.
Feature extraction of metal magnetic memory signal and its application for weld crack;
焊接裂纹金属磁记忆信号的特征提取与应用
2.
Reason and control countermeasure of the weld crack happened to the bulletproof steel plate of the naval ship;
某型舰用防弹钢板焊接裂纹的原因分析及控制
3.
Analysis on the weld crack in construction survey of the 3 000 t river-to-sea cargo ship;
3000t江海直达货轮建造检验中的焊接裂纹分析
6) Welding Cracks
焊接裂纹
1.
Investigation on relationship between welding cracks stress and magnetic memory signal;
焊接裂纹应力与磁记忆信号关系的实验研究
2.
Analysis of the formation and characteristics of the TIG welding cracks for the AZ31B magnesium alloy;
AZ31B镁合金TIG焊焊接裂纹的产生及其特征分析
3.
According to many on the spot working tests,the characteristics,formation reasons,influence factors,technological methods and countermeasures of the pipeline welding cracks were analyzed.
根据多次现场试验、施工,分析研究了天然气长输管道焊接裂纹的特征、产生原因和影响因素,及其一些主要工艺措施与防漏止裂对策,并就如何提高一次焊接合格率提出几点有针对性的见解。
补充资料：再热裂纹
分子式：
CAS号：
性质：焊接构件在进行焊后消除应力热处理时，对于某些含有沉淀强化元素的钢种(如含钒、钼、铬、钛、铌、硼等元素的碳化物)，在焊后存在较大的残余应力，并有不同程度的应力集中。在热处理温度下，由于应力松弛而引起较大的附加变形，在焊接热影响区的粗晶部位产生裂纹，这种裂纹为再热裂纹。
CAS号：
性质：焊接构件在进行焊后消除应力热处理时，对于某些含有沉淀强化元素的钢种(如含钒、钼、铬、钛、铌、硼等元素的碳化物)，在焊后存在较大的残余应力，并有不同程度的应力集中。在热处理温度下，由于应力松弛而引起较大的附加变形，在焊接热影响区的粗晶部位产生裂纹，这种裂纹为再热裂纹。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条