The results show that the grain size of produced ZA20, ZA27 alloy powder for cold spray is homogeneous, and the phase of the coat is equal axis crystal.
研究结果表明，制备的冷喷涂用ZA20、ZA27合金快凝粉末粒度分布均匀，组织为细小的等轴晶；
2
In this paper, the spatial kinematics algorithms of two typical 5-axis NC machines have been proposed with the foundation of intermediate coordinate systems and the homogeneous matrix.