The cast iron modified by re offers refined microstructure in which the carbides become blocky or granular, thus increasing the mechanical properties.
经稀土变质处理的铸铁组织细化，其碳化物呈团块状或颗粒状，从而提高了力学性能。
The microstructure and composition of a high chromium cast stainless steel used in high temperature aqueous alkali with solid grains were designed.
设计了用于含有固相颗粒的高温碱介质中的新型高铬铸造不锈钢的组织及化学成分。
In order to discuss the microstructure under slower cooling rate of as-cast AZ91D magnesium alloy, the slow solidification treatment was carried out.
为了探讨AZ 91d镁合金在较慢凝固冷却速度下的组织，对其进行了缓慢凝固处理。
It is this nodular microstructure of carbon in Ductile iron which produces high ductility and shock resistance while the flake form of cast iron results in no malleability.
正是这种碳的球状微观结构，使得球墨铸铁具有更加良好的展延性和抗冲击性，而铸铁内部的薄片形式导致铸铁没有展延性。
This paper mainly studies the influence of the boron gray cast iron with its microstructure, mechanical properties and metallurgical quality index in different inoculating conditions.
同时研究了不同孕育条件对硼灰铸铁的力学性能及冶金质量指标的影响。
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。
Study metallographic structure of phosphor eutectic and boride in continuous cast iron. The microstructure of piston has been analyzed and proved after wear test.
研究水平连续铸造方式下高磷含硼铸铁中磷共晶和硼化物的分布特点，并进行超耐磨性试验，对磨损试验后材料的微观形貌进行试验验证分析。
It is a basic demand for evaluating the microstructure and performance to determine the graphite size and its spheroidization rate in nodular cast iron.
正确测定球墨铸铁中石墨大小及球化率，是对球墨铸铁组织性能进行评定的基本要求。
The analysis and study laid emphasis on the microstructure characteristic of hypoeutectic white cast iron in order to resolve the difficult problems of low useful life and high brittleness.
重点分析研究其微观组织特征，目的是解决亚共晶白口铸铁使用寿命短和脆性大的难题。
The effect of alloying elements phosphorus and copper on microstructure and properties of sintered compacts of short cast iron fibres have been studied in this paper.
本文研究了合金元素磷和铜对铸铁短纤维烧结体显微组织和性能的影响。
The effects of alloying element phosphorus on microstructure and properties of sintered compacts of short cast iron fibres has been studied in this pa-per.
研究了合金元素磷对铸铁短纤维烧结体显微组织和性能的影响。
The microstructure morphology of spheroidal graphite cast steel after as-casting, annealing, normalizing, forging was investigated emphatically in this paper.
重点分析了球墨铸钢铸态、退火、正火、锻造后的组织特征。
Hard nickel cast iron is a kind of good wear resistant material, but its carbide formed as reticulation and microstructure was coarse, resulting in low toughness and unstable properties.
硬镍合金铸铁是一种良好的抗磨材料，但由于其碳化物呈网状和组织粗大，使其韧性低和性能不够稳定。
The microstructure of carburized layer in 20 steel cast-iron molten bath carburized at different temperature and time was studied in the paper.
本文探讨了2 0钢在铸铁浴中经不同温度及时间渗碳的渗层组织。
The samples were heated in different extent of homogenization after analyzing the as-cast microstructure.
分析铸态组织后，将试样进行不同程度的均匀化处理。
The V-EPC cast-in process was used to prepare the cast iron-based particles -containing composite. The distribution characteristics of the hardness and microstructure of the composite was studied.
采用V - E PC铸渗工艺制备铁基颗粒复合材料，并对复合材料硬度及显微组织分布特征进行了研究。
Aiming at the various defects in production, the effects of squeeze casting process parameters on AZ81 as-cast microstructure were investigated from formation mechanism and influence factors aspect.
针对试生产过程中铸件产生的各类缺陷，从其形成机理和影响因素方面进行分析，研究挤压铸造各工艺参数对AZ81镁合金的铸造组织的影响。
Aiming at the various defects in production, the effects of squeeze casting process parameters on AZ81 as-cast microstructure were investigated from formation mechanism and influence factors aspect.
针对试生产过程中铸件产生的各类缺陷，从其形成机理和影响因素方面进行分析，研究挤压铸造各工艺参数对AZ81镁合金的铸造组织的影响。
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