Compared with other processes, such as pouring molten metal into an open mould, HPDC is fast and cheap.
与将液态金属注入开模的工艺等工艺相比，HPDC工艺很快，并且很便宜。
The proper pouring and shell mould temperature have been suggested, so that both satisfied microstructure and excellent mechanical properties of superalloy K423A can be achieved.
力学性能测试表明，在适当的浇注温度和模壳温度条件下，可使K423 A合金同时具有合适的微观组织和优良的力学性能。
The influences of cooling rate of the mould, pouring temperature, nodularity and chemical composition on hardness of roll body were described, and the measures for solve problems were proposed.
对铸型冷却速度、浇注温度、球化率和化学成分对辊身硬度的影响进行了论述，并提出了解决问题的措施。
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