• 测试结果表明金属为过组织

    The microscopic analysis results indicate that deposited metal is hypereutectic structure.

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  • 金属机械性能高于基材机械性能。

    The mechanical properties of the weld deposit shall not lie appreciably above those of the base metal.

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  • 金属满足较高焊接质量腐蚀性能。

    Deposited metal can meet high welding quality and corrosion resistance.

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  • 金属组织主要针状素体少量的先共析铁素体。

    Microstructure of the deposited metals is composed of acicular ferrite and a little proeutectoid ferrite.

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  • 金属具有硬度韧性可耐热腐蚀冲击磨耗

    Dissolve deposited metal has low hardness and high toughness, heat corrosion resistance to impact abrasion.

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  • 敷金属组织主要针状素体少量的先共析铁素体。

    The microstructure is composed of acicular ferrite and a little proeutectoid ferrite.

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  • 金属流动性308l为佳焊接操作优越

    Deposited metal fluidity better than 308l, on weld the operation too more superior.

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  • 对所研制的焊丝匹配烧结焊剂进行金属弧焊试验

    Submerged arc welding with the test welding wire matching sintered flux was carried out to get the deposited metal.

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  • 通过试验研究了焊条药皮碱度敷金属脱硫脱行为影响

    Effect of basicity of electrode coating on desulphidation and dephosphorization is studied.

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  • 研究了焊剂碱度管线钢埋弧焊金属显微组织韧性影响

    The effect of flux basicity on the microstructures and toughness of SAW deposited metals on pipe line was investigated.

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  • 阐述了色谱测定焊接熔金属扩散的测试原理基本操作程序

    The principle and operation procedure of the thermal conduction gas chromatography used to measure the diffusion hydrogen in weld metal was expatiated.

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  • 发明实现了补焊前预热,补焊接头强度大于金属自身强度。

    The invention realizes preheating before repair welding, and the strength of a repair welding joint is more than that of the deposited metals.

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  • 稀土结合在净化堆金属的同时,改善敷金属中夹物的形态

    Reaction of rare earth with oxygen and sulfur can improve the shape of slag inclusion while purifying surfacing.

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  • 稀土氧化物可以保持敷金属硬度条件下使堆焊韧性性能提高了37%。

    Toughness of surfacing can be improved 37 percent on the condition of keeping its high hardness at the same time by adding rare earth oxide

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  • 用于物体具体是太阳能电池触点母线金属线上沉积线方法装置

    Method and apparatus for depositing multiple lines on an object, specifically contact and busbar metallization lines on a solar cell.

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  • 分析堆焊熔金属显微组织,研究了焊接线能量对堆焊层金属显微组织形成影响

    The microstructure of the deposited metal and the effect of the welding heat input on the formation of the deposited metal are studied.

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  • 金属具有硬度马氏体组织耐磨耗冲击性能优良,硬度HRC55 ~58

    Deposited metal of martensite with high hardness, good abrasion resistance, impact resistant performance of hardness HRC55 ~ 58.

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  • 金属力学性能优良用于中碳钢合金钢重要结构的焊接,压力容器桥梁船舶结构。

    The deposited metal has excellent mechanical properties. It is used for welding middle-carbon and low-alloy steel structure, such as pressure containers, bridges, and ship structure.

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  • 发明补焊方法包括以下步骤首先根据大型锻件材质成分制备补焊保护剂和金属

    The repair welding method comprises the following steps: firstly, preparing a protectant for repair welding and deposited metals according to material compositions of a large forged piece;

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  • 冷轧工作辊堆焊修复冶金行业的重大课题,要求堆敷金属具有超高硬度高抗裂性及高强韧性。

    It is imperative to explore the surfacing material with ultra-high hardness, wear-resistance and crack-resistance.

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  • 此焊丝工艺性能良好适用于全位置焊接,熔金属力学性能达到SA2 13-T91钢的要求

    It has good technical performance, and is suitable for all position welding. The mechanical characteristics of the welding attached metal meet the requirement of SA213T91 steel.

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  • 由于稀土元素先期脱氧中大量氧化效果较弱,稀土元素对敷金属的总含氮量的影响不显著

    The effect of Re element addition on the nitrogen content in the weld was insignificant due to the oxidization from the early deoxidization stage.

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  • 降低焊接线能量时,降低敷金属中的含量及其氧化夹杂物数量大小,从而提高熔金属韧性

    Decreasing welding thermal input will decrease the oxygen content and the number and size of oxide inclusions, and it improves the toughness of weld metal.

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  • 金属中的含碳量焊接材料中的含碳量相比增加还是减少取决于焊接材料含碳量的多少和氧化性的强弱。

    The increasing or decreasing of carbon in the deposit metal is depends on the carbon content of welding material. The critical value of carbon increasing for FCW is about 0.05%.

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  • 采用带制造自保护药芯焊丝充分发挥有利作用,同时减少熔金属中残留铝含量及性能的不利影响。

    When using the aluminium contained steel sheath, the harmf of aluminum to the properties of deposited metal can be limited to some extent.

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  • 本文针对焊缝熔敷金属高强时,容易开裂问题展开研究,研制了中、合金钢工件表面修复高强高韧新型堆焊焊条

    The high strength and high toughness hardfacing covered electrode to the medium-high carbon alloy steel surface' repair was put forward in this paper.

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  • 研制容器主焊缝埋弧焊与国外典型埋弧焊焊焊接工艺性能金属力学性能纯净度方面对比,结果表明研制焊材日本神户制所的US-521HD/PF-500D焊材相当。

    The weldability, deposited metal's mechanical properties and purity of the new developed shell butt welding SAW material as the same level compared with Kobe Steel US-521HD/PF-500D.

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  • 弧焊常用焊接方法小时内金属可以等于操作者本身重量

    This is the submerged arc welding, a commonly used welding method that can in an hour deposit weld metal equal in weight to that of the operator himself.

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  • 弧焊常用焊接方法小时内金属可以等于操作者本身重量

    This is the submerged arc welding, a commonly used welding method that can in an hour deposit weld metal equal in weight to that of the operator himself.

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