综合热传导方程与过冷形核、生长规律，用显式有限差分法模拟了共晶铸铁的凝固过程。
An explicit finite-difference method (FDM) was used to model and simulate the solidification of eutectic cast iron by combining heat transfer equations with undercooling nucleation and growth laws.
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.
对亚共晶白口铸铁经高温形变后所获得的碳化物在等温球化过程中球化长大进行了研究。
The spheroidizing grow, in isothermal spheroidizing process, of carbides formed from deformation under high temperature in, hypoeutectic white cast iron is studied.
对要求高耐磨的大型工件常用的亚共晶白口铸铁材料进行了不同条件的激光表面强化处理。
The surface of the hypoeutectic white cast iron of great wearable work piece in common use was treated by laser hardening.
采用激光快速熔凝和深腐蚀技术，对快速凝固过程中铸铁的共晶生长进行了研究。
The eutectic growth of cast iron during rapid solidification has been studied with laser remelting and deep etching.
通过对各种处理剂处理的蠕虫状石墨铸铁凝固过程的研究，共晶反应时石墨的析出过程已经明确。
Solidification process of CV graphite iron with the addition of various CV-graphitizing materials and the crystallization behavior of the graphite during the eutectic reaction was clarified.
采用金相、显微硬度与扫描电镜，以区别含磷减磨铸铁中磷共晶与菜氏体。
The iron phosphite eutectic and ledeburite in wearre-sistant cast iron are contradistinguished with metallography and microhardness and scanning electron microscope.
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 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.
微区分析发现畸变的共晶奥氏体组织与球墨铸铁低韧性之间存在着直接的对应关系。
The analysis of micro zone discovers that there are directly relationships between the distortion structure of eutectic austenitic and lower ductility.
采用倾斜板冷却体法对亚共晶高铬铸铁进行半固态成形，研究了倾斜板角度对亚共晶高铬铸铁半固态组织的影响规律。
Effects of inclined Angle on semi-solid microstructure of hypoeutectic high cr cast iron prepared by inclined plate cooling method were investigated.
研究了工业灰铸铁中枝晶状奥氏体和共晶奥氏体在连续冷却过程中的分解特征。
Transformation characteristics of the dendritic austenite and eutectic austenite in commercial grey cast iron during continuous cooling have been investigated.
吹气处理在净化铁水的同时，增加铸铁共晶团的数量、改善孕育效果，从而提高灰铸铁的强度。
At the same time, the degassing process increases the number of eutectic nucleus and improves the inoculating effect, thus raising the strength of the gray irons.
采用自行研制的倾斜取样板进行取样，并借助金相图像分析系统研究了半固态高铬铸铁先共晶奥氏体的衍变过程。
The evolution of pro-eutectic austenite in semi-solid high chromium cast iron was studied by self-made slope sampling plate through metallographical image analysis system.
实验结果表明，在高频脉冲电流作用下铸铁石墨片细化，石墨片变得卷曲，共晶团尺寸减小。
The results show that high frequency pulse electric current can refine and crinkle graphite flake, decrease the dimension of eutectic cell.
分析了亚共晶高铬铸铁半固态浆料进行流变挤压成形后挤压件的力学性能。
The mechanical property of the hypoeutectic high chromium cast iron extrusion samples was analyzed after extruded by semi-solid rheocasting forming.
高铬钼抗磨合金本质为亚共晶型高合金白口铸铁。
High chromium-Molybdonum wear-resistant alloys are hypoeutectic white cast iron.
探讨了合金元素、变质处理和热塑性变形对亚共晶白口铸铁组织和性能的影响，确定 了合适的成分范围。
The effects of alloying elements, modification treatment and thermoplast ic deformation on the structure and properties of hypoeutectic white cast iron was studied and discussed.
采用X-射线衍射仪、透射电镜研究了可锻铸铁白口组织中硅对共晶渗碳体点阵参数、晶胞体积及晶体缺陷的影响。
The effect of Si on the crystal lattice parameters, lattice volume and crystal defects of the eutectic cementite in malleable cast iron has been studied by using X ray diffractometer and TEM.
合金铸铁缸套中的硬质相主要为磷共晶和合金碳化物、氮化物等。
The hard phases in alloy cast irons are mainly phosphor eutectics, alloy carbide and alloy nitride according to different component of the cylinders.
用计算各组成相比容的办法计算了球墨铸铁共晶转变时的体积变化。
The volume variation of ductile iron occurring in eutectic solidification was ascertained by calculating the specific volume of each component phase of the iron.
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。
Study metallographic structure of phosphor eutectic and boride in continuous cast iron. The microstructure of piston has been analyzed and proved after wear test.
结果显示青铜器样品均为铅锡青铜，铸造成形；铁器样品为亚共晶白口铸铁；
Results reveal that the bronze vessels are made of Pb-Sn bronze using casting technique, the iron is hypoeutectic white iron, and that the major mineral of the jade is hopfnerite.
结果显示青铜器样品均为铅锡青铜，铸造成形；铁器样品为亚共晶白口铸铁；
Results reveal that the bronze vessels are made of Pb-Sn bronze using casting technique, the iron is hypoeutectic white iron, and that the major mineral of the jade is hopfnerite.
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