Sintering Behaviour of Iron-Molybdenum Steels
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- Category: Molybdenum knowledge
- Published on 17 July 2013
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The effect of addition of Fe-B-C master alloy powders on the sintering behaviour of iron-molybdenum sintered steels has been investigated by dilatometric experiments.
The addition of the Fe-B-C master alloy powders to the Fe-Mo-B-C sintered steels ca%n activate the sintering process by liquid phase sintering. The temperature of the liquid phase formation depends on the compositions and the amount of the master alloy powders.
SEMQ analysis for the Fe-1.2Mo-0.4B-0.5C (wt- percent) steel shows that grain boundary phase contains approximately 5.0 wt- percent Mo, much higher than that in the grains (approximately 0.95 wt- percent Mo) and higher than that of the base powder Astaloy Mo (1.44 wt- percent Mo).
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