As a result, a 2-d temperature field model for welding solidification cracking was developed.
在此基础上，建立了二维焊接凝固裂纹温度场计算模型。
It was found that the solidification cracking susceptibility of weld metal increases remarkably as nickel content increases.
结果表明：随着焊缝中含镍量的增加，焊缝金属的凝固裂纹敏感性增大。
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。
Analysis shows that the solidification cracking was always formed and developed along film-like sulphides at columnar grain boundaries.
分析认为，凝固裂纹是沿偏聚在柱状晶晶界的低熔点膜状硫化物形成并扩展的。
Some plastic regions could be found and some dimples had been observed on the fracture surfaces of the solidification cracking of austenitic-ferritic weld metals.
少量铁素体的焊缝凝固裂纹断口上有许多小塑性区，有明显的韧窝。
Heater leak occurs by direct reason of the stress corrosion cracking, while by other reasons of solidification cracking, small fusion depth of welding joint and non...
应力腐蚀裂纹是造成加热器泄漏的直接原因，结晶裂纹、焊缝熔深小及坡口底部未熔透也是加热器泄漏的原因。
The mechanical fiber reinforcement in Solidification or in the drying process can be reduced to prevent cracking.
在凝固或干燥过程中产生的机械能被纤维筋减弱，防止龟裂。
Directional solidification could improve hot rolling formability of magnesium ingot effectively. The total deformation could reach 94% without cracking when hot rolling was held at 673k.
定向凝固工艺可有效提高镁合金铸锭的热轧成形能力，在轧制温度为673k的条件下进行热轧，总变形量可达94%以上而不出现裂纹。
Directional solidification could improve hot rolling formability of magnesium ingot effectively. The total deformation could reach 94% without cracking when hot rolling was held at 673k.
定向凝固工艺可有效提高镁合金铸锭的热轧成形能力，在轧制温度为673k的条件下进行热轧，总变形量可达94%以上而不出现裂纹。
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