The balling effect of 316 stainless steel powders during laser sintering was investigated,and the effects of processing parameters such as laser power,scanning rate,and layer thickness on the laser sintering process were discussed.
分析了316不锈钢粉末球化效应产生的原因,讨论了工艺参数对316不锈钢金属粉末烧结成形的影响。
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During the laser sintering, due to the large liquid phase viscosity and surface tension, the balling effect occurred when the molten did not wet the solid metal particle and the underlying substrate.
实验发现，在液相粘度较高、表面张力大，熔体材料不浸润固相颗粒和基板等因素的影响下，烧结过程中出现了球化现象。球化的出现妨碍了直接金属激光烧结成形的顺利进行。
The effect of high silicon low iron material on softening temperature, balling index, quality and output of sintering ore was investigated.
分析了高硅低铁物料对铅锌矿软化温度、成球性指数、烧结矿质量与产量的影响。
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