This paper has simulated the driving force of solidification crack of stainless steels, namely the, stress strain field in the trail of molten weld pool.
对不锈钢凝固裂纹的驱动力即熔池尾部应变场进行了模拟。
The chemical compositions, mechanical properties, solidification crack risistance and intergranular corrosion risistance of HT-105 electrode for welding of 690 alloy are introduced in this paper.
介绍了焊接690合金焊条HT-105的化学成分、力学性能、抗热裂性能和抗晶间腐蚀性能。
Is mainly the size effect and solidification, shrinkage, stress and other issues clearly, to avoid or reduce the segregation, iron manhole cover deformation and crack defects.
主要是明显的尺寸效应和凝固、收缩、应力等问题，避免或减少铸铁井盖的成分偏析、变形、开裂等缺陷的产生。
The appearance of mesosphere solidification and shaft direction solidification was infaust to obtain compact roll structures, that accelerated the roll to produce crack.
中间层凝固和轴向凝固的出现，不利于获得致密的轧辊组织，促进轧辊产生裂纹。
To prevent from heat crack, the choose of aluminum alloy with small crystal temperature range and the use of metal cast model, as well as adoption of gradual solidification style will be effective.
选择有效结晶温度范围小的铝合金、采用金属型铸型以及逐层凝固的冷却方式可以有效消除裂纹。
The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation.
结果表明，沿一次晶晶界的成分偏析对裂纹扩展阻力的降低作用是铸钢中贝壳状断口形成的主要原因。
Hot crack numerical simulation has been handled by 'solidification-feeding' model based on temperature field.
本文使用基于温度场的凝固补缩模型来进行热裂纹数值模拟。
Hot crack numerical simulation has been handled by 'solidification-feeding' model based on temperature field.
本文使用基于温度场的凝固补缩模型来进行热裂纹数值模拟。
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