Gray iron--an alloy of iron carbon and silicon ; easily cast; good pressure tightness in the as-castcondition.
灰口铁--一种铁碳和硅的合金；易于铸造；在铸态下具有很好的压力紧固性。
The block is cast in one piece from gray iron or iron alloyed with other metals, such as nickel or chromium. Some blocks are cast from aluminum.
缸体是由灰铸铁或含有镍或铬的合金铸铁整体铸造而成的。有的缸体由铝浇铸而成。
As one of the gray cast iron, boron gray cast iron is widely used in the department including automobile industry, mechanism industry and construction industry, etc.
硼灰铸铁作为灰铸铁的一种，广泛应用在汽车工业、机械工业、建筑工业等部门。
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。
Our products: Various gray iron, ductile iron, common cast steel, low-alloy steel, high manganese steel, etc various parts of architectural and mechanical engineering.
本公司主要生产各种灰铁件、球铁件、铸钢件、高猛钢件等各种建筑、工程机械用零部件。
Cast iron material used for fine makings of gray iron or alloy cast iron.
所用铸铁材料为细颗料的灰口铸铁或合金铸铁。
The effects of inoculants and alloying elements on the properties of gray cast iron are studied.
研究了孕育剂和合金元素对灰铸铁性能的影响。
A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.
介绍了一种评价与测试灰铸铁铸件的拉压疲劳极限的方法。
Nb has little effect on matrix structure of gray cast iron.
铌对过冷灰铸铁的基体组织无明显影响。
On the basis of the experimental data of microstructure and strength for gray cast iron with high carbon equivalent, a model of support vector machine for gray cast iron prediction was established.
利用高碳当量灰铸铁组织强度试验数据，提出了一种基于支持向量机理论的灰铸铁强度预测模型。
Hologram reconstruction using white light is employed in NDT of crack and welding quality of gray cast iron.
本文介绍将象全息的白光再现用于无损检测裂纹和灰口铸铁的焊接质量。
Te also raises the thickness and hardness of the chilled layer of white cast iron, reduces the area with mottle and lowers mechanical properties of the part of gray cast iron.
碲增加冷硬铸铁白口层厚度和硬度，缩小麻口区，但降低灰口部分的机械性能。
Gray cast iron was treated by means of laser melt hardening technology.
利用激光熔凝硬化技术对灰口铸铁表面进行了硬化处理。
Using a prefabricated porous ferroboron lump, a surface composite layer was made on gray cast iron matrix, with a common casting method.
通过预先制备带有孔隙的硼铁合金预制块，用普通浇注的方法，获得以灰铸铁为基的铸造表面复合材料。
The filling morphology of gray cast iron melt in lost foam casting was observed by rapid photography method.
采用高速摄影法，对灰铸铁件消失模铸造充型形态进行了初步研究。
The effect, methods and precautions purified the molten gray iron, ductile iron and cast steel was introduced.
介绍了采用铁神一号净化剂对灰铁、球铁和铸钢进行净化处理的效果、操作方法和注意事项。
Gray cast iron is a common material for the part of the agricultural machinery.
灰铁为农机零件常用材料，磨损是灰铁零件最常见的失效形式。
The proof strength can be used to evaluate the tension-compression fatigue strength of gray cast iron, and also used as the stress level of the tension-compression fatigue test.
利用引伸计拉力试验中的规定总延伸强度可以评价灰铸铁的拉压疲劳极限，也可以利用该数值作为预计的疲劳极限，用于拉压疲劳试验应力水平的选取。
Copper nickel, good machinability bad crack resistance. Repair welding of shole gray cast iron machined surface subject to no load.
镍铜，易加工，但抗裂性较差。不受力的灰铸铁加工面及砂眼补焊。
The casting materials can meet the technical requirements of common gray iron top-grade cast iron, ductile cast iron and non-ferrous alloy, etc.
铸件材质能满足普通灰铁、高级铸铁、球墨铸铁、有色合金技术要求。
Iron nickel high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron such as cylinder cap.
镍铁，强度高、塑性好。重要灰铸铁及球铁焊补用，如汽缸盖。
Copper nickel good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load.
镍铜，易加工，但抗裂性较差。不受力的灰铸铁加工面及砂眼补焊。
Some kinds of defects in plate castings of gray cast iron are discussed, and varies kinds of gating systems and their advantages or disadvantages are analysed in this articles.
本文介绍了平板类灰铸铁件易产生的各类铸造缺陷及其在生产中常用的各种浇注系统，并分析了各类浇注系统的优缺点。
The results showed that the lanthanum rare earth alloy could be used as a new type of modifying agent for high-strength gray iron and vermicular cast iron.
结果表明，镧稀土合金可做为高强度庆铸铁和蠕墨铸铁的一种新型变质剂。
Gray cast iron has the worst wear resistance.
灰口铸铁的耐磨性及加工硬化能力最差。
It usually is made of well-normalized or aged gray or nodular cast iron and provides a heavy, rigid frame on which all the other basic components are mounted.
它通常是由经过充分正火或时效处理的灰铸铁或者球墨铸铁制成。它是一个坚固的刚性框架，所有其他基本部件都安装在床身上。通常在床身上有内外两组平行的导轨。
It introduces the method to measure the length of black lead in gray cast iron by digital graphics technology. The strip black lead can be classified.
介绍了一种利用数字图像处理技术进行灰铁金相石墨测长的方法，用于检测灰口铸铁金相中的条状石墨长度，并对其进行分级。
It introduces the method to measure the length of black lead in gray cast iron by digital graphics technology. The strip black lead can be classified.
介绍了一种利用数字图像处理技术进行灰铁金相石墨测长的方法，用于检测灰口铸铁金相中的条状石墨长度，并对其进行分级。
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