YAG激光比CO2激光更适用于激光熔覆和激光金属直接成形制造。
YAG laser is fitter than CO2 laser for laser cladding and laser directly metal forming manufacturing.
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。
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.
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