预合金化胎体的烧结保温时间有一门槛值。
There was a threshold time for the sintering of partial prealloyed saw segment.
布鲁斯表示主要高速钢粉末冶金过程是：加入了预合金化冶炼高速钢成分粉末，经过感应炉熔化，然后气体喷雾造粒制作而成。
Bruce said the main high-speed steel powder metallurgy process: Add a pre-alloyed powder metallurgical high speed steel components, induction-melting furnace, and then made the gas spray granulation.
本文讨论了铝合金预形热变处理的强韧化机制。
In this paper the toughening mechanism of aluminium alloys after PTMT is discussed.
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