将铝硅过共晶合金凝固过程中析出的初生硅颗粒视为夹杂物颗粒。
The primary silicon particles precipitating from the solidification of Al-Si hypereutectic alloy was regarded as inclusions.
合金为过共晶成分时碳化钒均匀分布。
When the alloys are hypereutectic alloys, the vanadium carbides are even distribution.
通过标定过共晶铝硅合金两相区衍射斑点指数,确定了过共晶相的取向关系。
By indexing the diffraction patterns in the hypereutectic, we get the relationship of crystal orientation.
过共晶铝合金活塞的尺寸稳定性高于共晶铝合金活塞;
The dimension stability of hyper eutectic Al Si alloy piston is higher than that of eutectic Al Si alloy piston.
研究了亚共晶、过共晶铸铁合金液在不同热状态下的凝固组织,以及组织对力学性能的影响等。
The microstructure solidified under different thermal conditions and its effects on mechanical properties of cast iron have been studied.
目前过共晶铝硅合金成形方法主要有铸锭冶金法和粉末冶金法,但这两种方法都存在其自身的不足。
The main forming methods of hypereutectic Aluminum-Silicon alloys are Ingot Metallurgy (IM) and Powder Metallurgy (PM) at the present time, but both of them have autologous deficiencies.
对快速凝固过共晶铝硅合金材料的成分、组织结构特点,制备理论及工艺,性能及其强化机理进行了综合评述。
The composition and microstructure characteristics, processing theory and technology, properties and strengthen mechanism of this kind of materials were reviewed.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好,是理想的活塞材料。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
过共晶铝硅合金具有低密度、良好的热稳定性和高耐磨性,是一种理想的耐磨耐热材料。
Hypereutectic Al-Si alloy with the quality of low density, good heat stability and high wear-resistance, is an ideal wear-resistant and heat-resistant material.
本发明的变质精炼剂是一种绿色、长效、双重和复合的过共晶铝硅合金变质精炼剂。
It is a green, long-effective and composite hypereutectic alusil alloy modified refining agent.
本发明的变质精炼剂是一种绿色、长效、双重和复合的过共晶铝硅合金变质精炼剂。
It is a green, long-effective and composite hypereutectic alusil alloy modified refining agent.
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