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Auto-granulation is the growth of particle clusters of fine, cohesive powders due to agitation of the bed, such as mechanical vibration. This clustering occurs without the addition of any binder to the system and the granules reach an equilibrium size due to the balance between disruptive and adhesive forces experienced by the clusters during process operations. For this reason, it is important in...
Gas atomized (GA) and water atomized (WA) K418 superalloy powders were injection molded, and a detail comparative investigation on microstructure and mechanical properties of MIM418 superalloys was carried out. The GA sample possesses higher sintering density than the WA sample due to its lower oxygen content, narrow pore size distribution and higher packing density. Both superalloys achieve near...
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