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Keywords rail steel;CCT curve;critical cooling rate; 重轨钢;CCT曲线;临界冷却速度;
Keywords rail steel;vanadium content;HAZ;thermal simulation; 钢轨钢;钒含量;焊接热影响区;热模拟;
Keywords rail steel;deoxidizing;non-aluminium deoxidizing; 关键词钢轨钢;脱氧;无铝脱氧;
Keywords rail steel;strength and ductility;heat treatment;weldability; 钢轨钢;强韧性;欠速淬火;焊接性能;
Keywords rail steel tempered sorbite cyclic softening dislocation cell; 钢轨钢;回火索氏体;循环软化;位错胞;
So it is very important for heavy rail steel to adopt deoxidization methods with low aluminum addition. 因此，重轨钢的冶炼采用无铝脱氧工艺。
Kang S K,Gow K V. Mechanical properties of rare earth metal treated rail steel [J]. Metal Trans, 1979,10A(10) : 1800. 林勤;付廷灵.;高碳钢中稀土元素与碳相互作用的研究[J]
It is advantageous to control water in the added materials for reducing flake in the heavy rail steel. 控制在各工序加入材料的水分含量对减少重轨钢中的白点是有利的。
This paper introduces the change of microstructure and properties of the rolled rail steel of CC bloom in hot charging. 文章主要介绍了采用钢轨钢连铸坯热送热装工艺生产钢轨组织的变化和所能达到的各项性能指标。
The composition analyses on the interface (such as cleavage facet or grain boundary) in the rail steel have been carried out by AES technique. 利用俄歇能谱(AES)分析技术,对钢轨钢的界面(解理面、晶界面)进行成分分析。
Kang S K, Gow K V. Mechanical properties of rare earth metal treated rail steel [J]. Metal. Trans., 1979, 10A(10): 1800. 林勤;付廷灵.;高碳钢中稀土元素与碳相互作用的研究[J]
The industrial tests of the hydrogen content variation in molten heavy rail steel were carried out from LD process to VD. 通过工业实验确定了包钢生产重轨钢在VD脱氢前，从转炉到LF精炼后各个工序中钢液中的氢含量变化。
This paper describes the molten steel condition of heavy rail steel for No.5 continuous caster,the process parameters such as casting rate,superheat temperature,and so on. 文中阐述了5%23铸机生产重轨钢连铸钢水供钢条件、连铸工艺过程中拉速与过热度等工艺参数。
Keywords Rail girder;Finite element;Submodel; 轨道梁;有限元;子模型;
Keywords rail;welding;bainite;pearlite; 钢轨;焊接;贝氏体;珠光体;
The microstructure and fracture morphology of directly etched fracture sample of rail steel were observed. The relatinos between the microstructure and fracture morphology were discussed. 在经过腐蚀的钢轨钢拉伸断口上进行了显微组织和断口形貌的同步观察，直接观察到了断日形貌特征与显微组织的某些相关结果。
In addition, alumina is the origin of fatigue crack and thus impairs the fatigue property of bearing steels, rail steels and wheel steels. 另外，氧化铝还是疲劳裂纹的形核核心，致使轴承钢、钢轨钢和车轮钢的疲劳抗力降低。
Keywords rail welding;thermit welding;wielding defect; 钢轨焊接;铝热焊;焊接缺陷;
R50-R60: USED RAIL STEEL SCRAP IS SUITABLE FOR RE-ROLLING INTO BARS AND SHAPES. FREE FROM BENT TWISTED RAILS. FROGS, SWITCHES, AND GUARD RAILS, OR RAILS WITH SPLIT RAIL. 美国废钢铁标准R50-R60:废旧钢轨适合用于再轧成其他形状。不含任何弯曲或扭曲轨、道岔、转辙器及制动轨，或有裂口或破底钢轨。
Keywords rail mill;Danieli;technical characteristic; 钢轨轧机;达涅利;技术特点;