在相同温度下进行粉末烧结体热复压，锻造力的增加往往使锻造密度也增加。
In the hot repressing of the powder sintered preforms, the increasing forging force increases its densities at a constant temperature.
通过对锻造加热炉炉门破损原因的分析，制定了延长炉门使用寿命的技术措施，研制了密度低、抗热震性高的耐火浇注料。
Based on the damaging analysis of forge heating furnace gate, the technology measures are made to prolong the service life of the furnace gate.
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