Weld with trailing impactive rolling (WTIR) is a new technique to reduce the residual stress and distortion and prevent hot cracking of thin-walled structure.
随焊冲击碾压是一种控制薄壁结构焊接应力变形、防止热裂纹的新方法。
The front impact roller causes transverse plastic compression strain in the weld which is in the brittle temperature range, which counteracts the tensile strain which leads to hot cracking.
前轮对处于脆性温度区间的焊缝金属施加一个横向挤压塑性应变，减小甚至抵消致裂的拉伸应变，防止了焊接热裂纹的产生。
The results showed that TCS steel had good cold cracking resistance and crystal hot cracking resistance.
结果表明，TCS钢具有良好的抗冷裂敏感性和抗结晶热裂敏感性能。
Increase external restraint will reduce to some degree the effect of preventing hot cracking by trailing intense cooling.
加大外部拘束会在一定程度上削弱随焊激冷防止热裂纹的效果。
Neodymium can increase weld metal hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron.
纯镍铸铁焊条中加入稀土钕会增加焊缝热裂敏感性。
Iron brake disc used widely at present with low thermal conductivity, easy hot cracking and low wear resistance needs to be improved.
目前广泛使用的铸铁刹车盘导热率低、易热裂、耐磨性差，需要加以改进。
A new type of multi-function system for testing linear shrinkage, stress and hot cracking of casting alloy is introduced in the paper.
介绍一种新型铸造合金线收缩-应力-热裂特性综合测试系统。
Moreover, they are able to decrease the temperature and increase the stress of hot cracking formation, as a result, decrease the tendency of hot cracking.
同时，稀土使合金的热裂纹形成温度降低，增加了热裂纹形成应力，降低了合金的热裂倾向性。
The improvement of microstructure leads to a considerable reduction of the susceptibility of hot cracking of weld metal as indicated by the transverse-varestraint test.
增加焊缝中的共晶数量并改善其分布形态，从而有助于降低焊缝金属的热裂纹敏感性。
Introduced are the research achievements in improving the service lives of sliding bearing and coupler knuckle, as well as the non destructive inspection for hot cracking in Japan.
介绍日本在提高滑动轴承和钩舌寿命方面的研究成果及车轮热裂的无损检测。
The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
研究了纯镍铸铁焊条冷焊时，稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律，并分析了铈对焊接接头力学性能和加工性能的影响。
The reasons of effect factors on the hot cracking tendency are analyzed by orthogonal experimental method and the best technology parameters of decreasing hot cracking tendency are obtained.
通过正交试验法获得了降低合金热裂倾向性的最佳工艺参数。
The proper interpass temperature is required to prevent cold and hot cracking as well as the proper selection of welding filler material, to produce the proper creep resistance and toughness.
需要适当的程间温度和正确选择填充金属材料来防止冷热裂缝，产生适当的蠕变阻力和韧性。
The effect of carbon, molybdenum and rare earths on hot cracking susceptibility of austenitic stainless steel welds was studied with continuously variable deformation rate cracking test (VDR) method.
应用变形速率连续可变式热裂纹试验方法(VDR法)研究了碳、钼和稀土元素对奥氏体不锈钢焊缝热裂敏感性的影响。
The reasons of hot cracking susceptibility are analyzed through electronic-scanning, electronic-probing and energyspectrometric methods on the patterns of fracture surface of hot crack and base metal.
利用扫描、电子探针及能谱分析技术，从母材、热裂纹断口形貌等方面分析了8090合金热裂纹敏感性高的原因。
A new method to test hot-cracking in metallic alloys was proposed.
设计了一种新的合金热裂行为测试系统。
A new method to test hot-cracking in metallic alloys was proposed.
设计了一种新的合金热裂行为测试系统。
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