• 本文首先阐述了研究应力腐蚀意义

    The significance of stress corrosion test for rail steel is demonstrated.

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  • 粘附磨损疲劳磨损主要磨损形式

    Adhesive wear and surface - fatigue wear are the two major wear forms in rail steel.

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  • 使用自制的大功率半导体激光器U 74进行相变硬化

    Laser transformation hardening was carried out on U74 rail steel by a self-developed high power diode laser.

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  • 通过热处理提高强度硬度接触疲劳强度随之提高

    Heat treatment can increase the tensile strength and the hardness of the rail steel, and the contact fatigue strength is also increased.

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  • 研究试样类型、试样厚度比例试样尺寸切口度等因素断裂韧性影响

    The effect of specimen type, thickness, dimension ratio, and notch sharpness on fracture toughness of a carbon rail steel was examined.

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  • 应用电子衍衬技术扫描电镜等手段,对共析珠光体微观结构断裂过程,进行了观察分析

    The microstructure and fracture process of an eutectoid pearlitic steel have been observation and analysed by means of electron-diffraction-contrast technique and SEM.

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  • 依据疲劳损伤累积理论,确定了公两用横梁整体节点连接验证性疲劳试验试验荷载

    According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.

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  • 介绍复合导电系统中的作用工作原理结构常用材料

    The role, working principle, structure and commonly used material of steel aluminum composite conductor rail in the three-rail system are introduced.

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  • 本文介绍武汉市交通牵引供电系统重点介绍了复合接触及其附件电气机械性能指标

    This article introduces the traction power supply system in Wuhan, especially the electrical and mechanical indices of aluminum -composite conductor rail and its accessories.

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  • 简要介绍了梁轧连铸轧制工艺设备以及产品的质量力学性能

    The technology and equipment of rolling heavy rail by using continuous casting billet were introduced. The quality and mechanical performance of heavy rail were introduced too.

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  • 复合导电具有导电性好磨损、重量轻、寿命等优点

    The steel aluminum composite rail possesses such advantages as high conductivity, wear-resistance, low weight and long service life, etc.

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  • 宋家庄停车场接触系统采用铝复合接触玻璃

    The contact rail system of Songjiazhuang park station is composed of steel-aluminum contact rail and GRP guard shield.

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  • 结构轻巧直观,采用特制“T”形进口丝绳

    This series is featured in light and smart structure by adopting special T-shape rolling track and imported steel rope.

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  • 家俱五金配件铰链不锈合页铰链抽屉、三节产品

    Furniture Hardware fittings have hinge, stainless steel hinge, concealed hinges, drawer rails, 3 rails and other products.

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  • 家俱五金配件铰链不锈合页铰链抽屉、三节产品

    Furniture Hardware fittings have hinge, stainless steel hinge, concealed hinges, drawer rails, 3 rails and other products.

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