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   冶炼 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.107秒
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冶炼     
相关语句
  smelting
    BLAST FURNACE SMELTING WITH HIGH MgO SLAG
    高炉的高氧化镁渣冶炼问题
短句来源
    BEHAVIOUR OF FLUORINE IN BLAST-FURNACE SMELTING Ⅳ. MECHANISM OF VOLATILIZATION OF FLUORINE AND ITS MOVEMENT IN A 11M~3 BLAST-FURNACE SMELTING PAO-TOU IRON ORE
    氟在高炉冶炼中的行为 Ⅳ.氟在11M~3高炉冶炼包头铁矿过程中的变化及其挥发机理
短句来源
    A New EAF Single-slag Smelting Process for Alloy Steel
    电弧炉单渣冶炼合金钢新工艺
短句来源
    20Mn VBH Steel With Titanium Addition Suitable for Arc-Furnace Smelting
    适合电弧炉冶炼的加钛的20MnVBH钢
短句来源
    BRIEF STUDY ON CARBON BEHAVIOR IN HIGHCARBON FERROCHROMIUM SMELTING
    高碳铬铁冶炼中的碳行为浅析
短句来源
更多       
  melting
    After introducing 56Nb steel,in order to meet performance requirement of 56Nb steel fish plate on the railroad rail,the production technique of 56Nb steel fish plate has been adopted under the factory equipment conditions: 450 kg steel ingot is prepared by melting in 8 t arc furnace and casting at 1 570-1 580 ℃ which is heated to 1 250-1 270 ℃,trimmed to 185 mm×195 mm bloom after rolling by 600 series 2-stand rolling mill;
    介绍了56Nb钢后,根据铁道接头夹板(鱼尾板)的性能要求并结合厂方的设备状况制定了56Nb钢鱼尾板材料的生产工艺:用8 t电弧炉冶炼,于1 570-1 580℃下铸成450 kg钢锭; 将钢锭加热到1 250-1 270℃,经600系列2机架轧机5道次轧制后修整成185 mm×195 mm方坯;
短句来源
    After examining hardness,tensile, cold bending,impact properties and analyzing metallurgical phase,the results show that the quality of 56Nb steel fish plate accords well with TB/T2345-93 《technical requirement of 43-75 kg/m fish plate for railroad rail》,and its toughness index is improved markedly compared to the one that is prepared by melting in open hearth furnace.
    经硬度、金相、拉伸、冷弯、冲击和SEM等测定及分析后,确认56Nb钢鱼尾板质量达到了TB/T2345-93《43-75 kg/m钢轨用鱼尾板供货技术要求》的规定,且其强韧性指标较平炉冶炼的56Nb钢有显著提高。
短句来源
    Effect of Melting Methods on Low Temperature Brittleness of Steel 10CrSiNiCu
    不同冶炼方法对10CrSiNiCu钢低温脆性的影响
短句来源
    Effect of Melting Process of H08A Rimming Steel on the Quality of Final Welding Wire
    H08A沸腾钢的冶炼工艺对成品焊丝质量的影响
短句来源
    Summary of Metal Melting Equipment
    金属冶炼设备发展概述
短句来源
更多       
  smelt
    1. Smelt the 56Nb steel with eight tons of three-phase electric arc furnace;
    1.采用八吨三相电弧炉冶炼的56Nb 钢;
短句来源
    D) Studied the ZGH4037 nickel-base heat alloy smelt craft, analyze the characteres of ZGH4037 nickel-base heat alloy non-vacuum smelt, adopt the ZGH4037 mother alloy vacuum match material craft technique to raise smelt quantity.
    D)研究了ZGH4037镍基高温合金熔炼工艺,分析了ZGH4037镍基高温合金非真空熔炼的特点,采用了ZGH4037母合金真空合料工艺提高冶炼质量。
短句来源
    The test analyses the effects on smelt and casting to ZGOCr13Ni5Mo2Cu2Nb steel's mechanical property and impeller's shaped quality.
    试验分析了冶炼及铸造工艺对ZG0Cr13Ni5Mo2Cu2Nb钢力学性能及叶轮成形质量的影响。
短句来源
    Cr18Ni10Tistainless steels have been produced by vacuum influence and electric reminder remelting smelt technology, possessing very advance in metallurgy quality and entire properties.
    采用真空感应加电渣重熔冶炼技术生产的 1Cr18Ni10Ti不锈钢 ,其冶金质量和全面性能较以前相比均有很大提高。
短句来源
    In order to raise welding quality, the copper content in steel must be reduced to the greatest extent as smelt firstly,the mass fraction of copper is no more than 0.20 percent to ensure the welding property of wire rod,and secondly to control welding temperature correctly as wire is welded,to pay attention to the adjustment of temper process,to protect the lubrication film of wire rod surface so as to avoid surface damnification of wire rod.
    要提高对焊接质量 ,首先在冶炼时应尽量减少钢中铜的含量 ,使w(Cu)≤ 0 .2 0 % ,保证盘条的焊接性能 ,其次钢丝进行对焊时 ,应正确把握焊接温度 ,注重回火工艺的调整 ,并尽可能保护盘条表面润滑层 ,避免盘条表面损伤
短句来源
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  steelmaking
    The paper discusses the production process and property researches of grade steel EX30(15CrNiMo),SN2025(15MnNi4Mo)for oil drill head,testifies the steel making process of secondary refining and vacuum-degassing with a good comprehensive property and characters of high purity,even and fine grain and narrow quenching vegion.
    论述了石油钻头用EX3 0 ( 15CrNiMo)、SN2 0 2 5 ( 15MnNi4Mo)钢的生产工艺和性能研究 ,阐明本钢 (集团 )特殊钢公司采用炉外精炼 +真空脱气工艺冶炼此钢 ,具有纯洁度高、晶粒均匀细小、淬透带窄的特点和良好的综合性能
短句来源
    The process of forged semi- high speed steel (0.74C, 0.87Si, 4.92Cr, 1.05Mo, 0.41V) Φ540 mm×(1 530) mm working roll for cold rolling was arc furnace steelmaking + electroslag remelting, forging, dual frequency inducting heating and quenching at surface temperature (1 090) ℃ and high temperature tempering at 520 ℃.
    整体锻造半高速钢(%:0.74C,0.87Si,4.92Cr,1.05Mo,0.41V)Φ540mm×1530mm冷轧工作辊的试制工艺为:电弧炉冶炼+电渣重熔,锻造成型,双频感应加热表面温度1090℃淬火,520℃高温回火而制成。
短句来源
    Do some research and practice the smelting, forging, rolling of 00Cr25Ni6Mo2N seamless tube bloom; summarize the key problems in the producing, such as phase ratio control, steelmaking, hot processing.
    研究并实践了00Cr25Ni6Mo2N双相不锈钢的冶炼、锻造/轧制与穿管等加工过程,总结了 00Cr25Ni6Mo2N无缝钢管管坯制造过程中的相比例控制、冶炼工艺、热加工工艺等难点问题,对类似双相不锈 钢的冶炼、加工具有指导意义。
短句来源
    This technology includes material selection,steel making,forging,heat-treatment and machining. The results of rolling test and inspection measurement are also presented.
    包括材质的选择、钢的冶炼、锻造、热处理、机加工全套技术和上机试验与检测结果。
短句来源
    For improving the quality of hot drawn hollow steel drill,the total qua-lity control must be adopted though the whole process (from steelmaking to finished product).
    文章指出,为了提高热拔中空钢的质量,必须从冶炼开始对全部工序进行质量控制。
短句来源
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  smelting
Fabrication of gradient material by electron beam smelting based on scanning track control
      
Ti-Mo gradient material (GM) with high temperature resistance was fabricated using electron beam smelting (EBS) control.
      
The smelting pro cesses include three steps such as preheating, smelting, and homogenizing.
      
The results show that GM prepared by using smelting technology has fine appearance, and has good integrated interface with Ti alloy.
      
Distribution of Copper, Nickel, Cobalt and Iron between Products of Smelting of Copper Concentrate Obtained by Flotation of Conv
      
更多          
  melting
Ultraviolet (UV) melting curves of the DNA at 260 nm as well as the calorimetric measurements were used to estimate the binding constants (K), melting enthalpy (ΔH°m) and binding enthalpy (ΔH°b).
      
Both infrared spectra and melting point of the compound were consistent with those reported earlier.
      
It was found by DSC measurements that the melting point of samples gradually shifted to lower temperatures with the decrease of the solution concentration used for sample preparation.
      
The yield of the final product was 78%, and the melting point was 231-233°C.
      
The thermotropic properties, the melting point (Tm) and the isotropization temperature (Ti) of the synthesized polyurethanes were characterized by DSC, IR and POM.
      
更多          
  smelt
It can be used to smelt and cake metals and alloys in vacuum or in an inert-gas medium.
      
nipponensis(Japanese smelt), which was previously identified as H.
      
japonicus(sea smelt), which was considered to be a synonym of H.
      
Nitroxidergic Innervation of the Digestive Tract of the Shishamo Smelt Hypomesus japonicus (Teleostei: Salmoniformes)
      
The distribution and morphology of nitroxidergic elements in the esophagus, stomach, and intestine of the shishamo smelt Hypomesus japonicus (Teleostei: Salmoniformes) were studied.
      
更多          
  steelmaking
The resulting inhomogeneities of the steel microstructure are found to be independent of the particle material: they represent regions of local strain and clusters of steelmaking-related impurities.
      
Experimental crystallization of synthetic V-bearing steelmaking slag with Al2O3 doped
      
Thermodynamic calculation on the smelting slag of direct recycling of electric arc furnace stainless steelmaking dust
      
Thermodynamic calculation on the smelting slag of direct recycling of electric arc furnace stainless steelmaking dust was presented.
      
Thermo-analytical study on stainless steelmaking dust
      
更多          
  其他


Under the conditions of basic open hearth smelting at Anshan steel works which employ scrap-ore-liquid iron charge, a statistical analysis of the production data shows that within the limit investigated the manganese content of the molten bath has no appreciable influence upon the oxygen and sulphur content of the steel. Provided that the final chemical analysis of the steel was the same, no difference in mechanical properties was observed between the products derived from the higher (>0.2% Mn) and the lower(<0.1%...

Under the conditions of basic open hearth smelting at Anshan steel works which employ scrap-ore-liquid iron charge, a statistical analysis of the production data shows that within the limit investigated the manganese content of the molten bath has no appreciable influence upon the oxygen and sulphur content of the steel. Provided that the final chemical analysis of the steel was the same, no difference in mechanical properties was observed between the products derived from the higher (>0.2% Mn) and the lower(<0.1% Mn) manganese specifications during smelting. It is concluded that for the two steels (rail steel and a low-carbon steel for seamless tube) investigated at least, there is no necessity for adhering to the specification of manganese content above a certain level(>0.15-0.2% Mn) during smelting.On the contrary, with a view to maintaining a higher manganese-containing bath, it was usually found necessary to add iron-manganese or manganese ore at the end of melting down; in doing so, the rate of carbon-removal was to a certain extent retarded, thus lengthening the period of smelting and decreasing the rate of production.The use of low manganese-containing pig-iron for the smelting of certain qualitysteels is not only feasible but also advisable from the economic point of view, provided, of course, that the sulphur content of such pig-iron can be made low to meet the necessary requirement. A review of the iron production data in certain blast furnaces at Anshan shows that this is possible, although the best conditions for producing low manganese and low sulphur pig-iron in blast furnaces deserve further a more detailed investigation.

本文结合生产研究了鞍钢碱性平爐冶炼重轨和无缝等碳素镇静钢的锰制度.研究结果指出:就上述鋼种而言,熔炼过程中的锰制度对钢中氧、硫含量以及轧制的成品質量並没有实际影响,换句话说,并没有必要规定熔池含锰量高於一定水平(>0.15—0.2%Mn).相反地,熔池含锰较高或在熔炼过程中加入锰铁均使降碳速度趋於缓慢,从而延长了熔炼时间.因此,只要高炉铁水中含硫量能够合乎规定,用低锰生铁作原料对炼钢並无害处.通过高爐生产数据分析,说明在鞍钢的操作条件下完全有可能生产含锰低而含硫合乎上述规定的铁水,应该认为用低锰生鉄冶炼重轨和无缝类型的优質鋼是切实可行的.

Experiments were carried out with the purpose of shortening the reducingperiod in small basic electric furnace for carbon steels of various carbon content.In some of the experimental heats reducing period was shortened by 20 mi-nutes and the others were made according to the normal procedure of the works.For some of the low carbon steel heats,the amount of ferro-silicon powder wasincreased by 20% and added in advance.The results,obtained from heats of shorterreducing period,show that the deoxidation and desulphurization...

Experiments were carried out with the purpose of shortening the reducingperiod in small basic electric furnace for carbon steels of various carbon content.In some of the experimental heats reducing period was shortened by 20 mi-nutes and the others were made according to the normal procedure of the works.For some of the low carbon steel heats,the amount of ferro-silicon powder wasincreased by 20% and added in advance.The results,obtained from heats of shorterreducing period,show that the deoxidation and desulphurization appear to be ascomplete as that of a normal heat,the content of nitrogen and non-metallic in-clusions being much less.In addition,the results on mechanical properties showthat in the case of medium carbon steel,the impact value is higher,and in thecase of low carbon steel the percentage of elongation and the rate of reductionof area are also slightly superior although the yield strength becomes somewhatlower.Such a shortening of reducing period also results in a 7% increase ofthe rate of production.It is suggested that in electric steel smelting process theappropriate deoxidation procedure and the length of reducing period should varyin accordance with different carbon content of the steel.A relationship of[S]/[O]=1.2—2.2 at the end of reducing period was ob-served,and the possibility of further shortening of the reducing period in makingmedium and high carbon steel was also pointed out.

在装料量为8吨的小型电炉上进行了冶炼各种碳钢的缩短还原期的研究。还原期缩短到70分钟(低碳钢冶炼中还增加矽铁粉加入量和提早加入时间)的结果是:脱氧、脱硫符合要求,钢中非金属夹杂物和氮的含量显著减少,并提高炉子生产率约7%。从而指出了以电炉冶炼碳钢时还原期的时间和脱氧制度应按钢中碳含量的不同而有所区别。并指出中、高碳钢冶炼中还原期缩短到50分钟左右的可能性。此外还观察到还原期末[S]/[O]=1.2—2.2的关系。

When smelting with 18.5% MgO slag the furnace runs smoothly with stable

高炉在用18.5%MgO的炉渣进行冶炼时,炉子比较顺行,炉温比较稳定。但由于炉渣的脱破能力较弱,必须提高炉渣的总碱度((CaO+MgO)/SiO_2)。本文着重地分析了高MgO渣冶炼时焦比升高的原因。理论计算证明将白云石直接装入高炉时由于带入炉中的CO_2量(每吨铁)增加了15%,导致了高炉的直接还元率以及因此的焦比的升高。应将白云石作为烧结原料。

 
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