灰铸铁是目前广泛使用的铸造材料。
对灰铸铁的加工性能进行了分析。
铌对过冷灰铸铁的基体组织无明显影响。
灰铸铁，球墨铸铁，铸钢，阀体不锈钢。
Grey cast iron, nodular cast iron, cast steel, stainless steel.
灰铸铁，碳钢，不锈钢。
探讨了灰铸铁激光表面熔化处理表面的质量。
This paper deals with the influence of laser beam on the width and depth of melting zona and surface smoothness.
介绍氮在灰铸铁中的作用及含氮灰铸铁材料。
The effect of nitrogen in gray irons and nitrogen- containing gray irons was introduced.
研究了孕育剂和合金元素对灰铸铁性能的影响。
The effects of inoculants and alloying elements on the properties of gray cast iron are studied.
介绍了加微量锑灰铸铁的生产工艺和适用场合。
The production process of gray iron with trace antimony addition and its application scope was introduced.
设计了一种碳当量较高的抗热疲劳变质灰铸铁。
A modified grey cast iron with high carbon equivalent and with thermal fatigue resistant was designed.
对钛对灰铸铁组织和性能作用的机理提出了看法。
The mechanism of the effect of titanium on structure and properties of gray iron was proposed.
对灰铸铁的研究现状和生产中的一些新技术做了评述。
The current studies and some new techniques on gray iron production are simply outlined in this article.
研究了废钢加入量对镍奥氏体灰铸铁组织和性能的影响。
The influence of scrap steel addition amount on structures and properties of nickel austenite gray iron was investigated.
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。
A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.
研究了稀土复合孕育剂在灰铸铁筒体活塞环中的孕育效果。
Inoculation effects of RE-containing inoculant used for cylinder castings of piston rings was studied.
通过灰铸铁激光相变硬化实验，实测了硬化层深度和宽度。
The width and depth of the phase transformation hardened zone were measured.
本文首次发现灰铸铁中锰的含量对氮的作用效果有显著影响。
It was found that the content of carbon and manganese have a great influence on the effect of nitrogen.
结果表明，此方法对灰铸铁成分统计质量控制具有实际意义。
The result showed that this method has an important effect for statistical quality control of chemical composition of cast iron.
试验表明，不同含量的钛对灰铸铁组织和性能产生不同的影响。
Experiments showed that the titanium of different contents had varied influences on the structure and proper-ties of gray iron.
和规模生产灰铸铁、合金铸铁、球墨铸铁和蠕墨铸铁等各类铸件。
To produce all kinds of castings pig iron, alloy iron, nodular iron and vermicular iron, etc.
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。
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.
研究锡元素在微合金灰铸铁中的行为，揭示其影响铸件残余应力的机理。
The action of tin element in minute alloy cast iron were studied and its mechanisation of affect residual stress were announced in this paper.
介绍了溶解扩散焊修复灰铸铁铸件缺陷技术的特点、原理、工艺及应用效果。
Characteristics, principle, process and application result of the technique to use melting diffusing welding to repair defect of gray iron castings was described.
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.
探讨了焦炉氨水自封槽结构灰铸铁桥管快速腐蚀的原因，提出了相应的处理对策。
The reason why gray castiron bridge pipeline with ammonia seal was quickly corroded was discussed and the countermeasure was suggested.
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。
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.
用扫描和高压透射电子显微镜研究了灰铸铁激光硬化层微区组织形貌和精细结构。
Micromorphology and fine structure in laser hardened layer of grey cast iron have been investigated with scanning electron microscope and high-voltage transmission electron microscope.
试验结果表明：铸渗硼灰铸铁钢锭模比同类灰铸铁钢锭模的使用寿命提高43％。
The service life of the boron surface alloying grey cast iron ingot mold is 43% longer than that of high Mn low si grey cast iron ingot mold.
试验结果表明：铸渗硼灰铸铁钢锭模比同类灰铸铁钢锭模的使用寿命提高43％。
The service life of the boron surface alloying grey cast iron ingot mold is 43% longer than that of high Mn low si grey cast iron ingot mold.
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