However, the correct weld filler metal must be used to eliminate cracking. 然而,必须使用正确的焊料金属以减少裂纹。
Analysis and Simulation of driving force of weld metal solidification cracking 焊接凝固裂纹驱动力的分析与模拟
Fractographic analysis of aluminium alloy weld metal heat cracking 铝合金焊接热裂缝断口形貌分析
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。
Influence of ferrite contents in duplex stainless steel weld metal on hydrogen cracking susceptibility 焊缝金属铁素体含量对氢裂敏感性的影响
Numerical Simulation of Temperature Fields for Weld Metal Solidification Cracking in Stainless Steels 不锈钢焊接凝固裂纹温度场的数值模拟
According to the feature of appearence of the fracture surface of hot cracking in the weld metal of 18& 8 type stainless steel with 0.023% S, the favorable effect of the 6 phase on improving the hot cracking resistance was investigated. 根据含S为0.023%的18-8型焊缝热裂纹断口形貌特征分析了结晶过程中σ相对提高抗热裂性能的有利作用。
Based on the results of SEM and EDX, adding a suitable amount of rare earths can reduce the content and size of inclusions, change the chemical composition and distribution of inclusions in weld metal, and improve the hot cracking resistance. 稀土元素对焊缝的抗热裂性也有显著影响,加入适量稀土能减少焊缝中夹杂物的数量和大小,改变其成分及分布,提高抗裂性。
In this paper, the temperature field of weld metal solidification cracking in the stainless steel was analyzed and simulated. 进行了不锈钢焊接凝固裂纹温度场分析与数值模拟。
The Influence of the Hydrogen and Nitrogen Content in Weld Metal on the Hydrogen Induced Cracking Susceptibility 焊缝金属中氢、氮含量与氢裂敏感性的关系
Due to a certain amount of ferrite in weld metal, the stress corrosion cracking susceptibility of it is relatively low. 由于奥氏体不锈钢焊缝中含有一定量的铁素体,因而在焊缝处断裂的试样应力腐蚀敏感性相对较低。