In order to deeply comprehend the wear regularity of chilled alloy cast iron tappet, the influence of surface layer microstructure on wear resistance was studied.
为了深入了解冷激合金铸铁气门挺杆的磨损规律，研究了冷激合金铸铁气门挺杆表层组织对耐磨性的影响。
The microstructure of the ceramic layer is columnar and its growth direction is perpendicular to the substrate surface.
陶瓷熔覆层的组织为柱状晶。其生长方向与基体表面垂直。
Effects of process parameters of plasma beam surface hardening treatment on hardening layer of boron cast iron and its microstructure and properties are investigated.
研究了等离子束表面硬化工艺参数对硼铸铁淬硬层及其组织与性能的影响。
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