A shaping and cooling technology is introduced to reduce or control the shell deformation.
还介绍了改善及控制炉壳变形的整形技术和冷却技术。
The results show that, increasing cooling rate, pre-deformation and grain refinement are useful for spreading of the non-equilibrium microstructure around the primary grains.
结果表明：增加冷却速率、预变形处理和晶粒细化有利于初始凝固组织中存在的非平衡组织的分散细化。
The following technological properties of aqueous quenching medium series HQ are systematically studied: cooling ability, harden - ability, tendency of deformation and cracking.
本文系统地研究了HQ系列水溶性淬火剂的工艺性能、冷却能力、淬透性、淬硬性和变形开裂倾向。
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