结果表明，喷涂后的涂层中存在化学不均匀性，原始颗粒越小不均匀性越严重；
The results show that there are chemical inhomogeneity regions in the as-sprayed HA coatings, the smaller the original particle is, the more serious the chemical inhomogeneity is.
同时还发现，由于原始颗粒边界的原因，MGH754合金热等静压态的塑性要比热挤压态的低很多。
Additionally, the ductility of HIP state of MGH754 alloy is much lower than HEX's because of existence of prior particle boundary.
WC原始颗粒以各种复式碳化物的形式析出，分别形成枝状或鱼骨状共晶碳化物、网状二次碳化物及大块状碳化物。
Multiple carbides are precipitated from WC particles, which form many different shapes such as dendrite or fishbone eutectic carbide, reticulation secondary carbide and conglomeration carbide.
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