In this paper, the temperature reduction of cylinder head metal wall and the influence on engine performance are investigated by different thickness of PSZ coating on cylinder head combustion surface.

本文研究了气缸盖火力面喷涂不同厚度的PS Z层对气缸盖金属壁面温度降低的情况及对发动机性能的影响。

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Using the alloy powder coating with different sizes and keep-warm slice, the functional coating was cast-oozed on the surface of thin wall casting.

使用不同粒度的合金粉末涂层并辅以保温片，对薄壁件进行铸渗。

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The application of aerated concrete in building was restricted for the cavity and cracking occurred seriously on stucco coating of the aerated concrete wall surface.

加气混凝土在建筑墙体应用中由于墙面粉刷层空鼓开裂现象严重，成为制约其在建筑中推广应用的瓶颈。

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