测试结果表明熔敷金属为过共晶组织。
The microscopic analysis results indicate that deposited metal is hypereutectic structure.
熔敷金属的机械性能不应高于基材的机械性能。
The mechanical properties of the weld deposit shall not lie appreciably above those of the base metal.
熔敷金属能满足较高的焊接质量和耐腐蚀性能。
Deposited metal can meet high welding quality and corrosion resistance.
熔敷金属组织主要是针状铁素体，少量的先共析铁素体。
Microstructure of the deposited metals is composed of acicular ferrite and a little proeutectoid ferrite.
熔敷金属组织主要是针状铁素体，少量的先共析铁素体。
The microstructure is composed of acicular ferrite and a little proeutectoid ferrite.
熔敷金属流动性较308l为佳，在焊接操作上也更优越。
Deposited metal fluidity better than 308l, on weld the operation too more superior.
对所研制的焊丝匹配烧结焊剂进行了熔敷金属的埋弧焊试验。
Submerged arc welding with the test welding wire matching sintered flux was carried out to get the deposited metal.
通过试验研究了焊条药皮碱度对熔敷金属脱硫脱磷行为的影响。
Effect of basicity of electrode coating on desulphidation and dephosphorization is studied.
研究了焊剂碱度对管线钢埋弧焊熔敷金属显微组织和韧性的影响。
The effect of flux basicity on the microstructures and toughness of SAW deposited metals on pipe line was investigated.
阐述了色谱法测定焊接熔敷金属中扩散氢的测试原理及基本操作程序。
The principle and operation procedure of the thermal conduction gas chromatography used to measure the diffusion hydrogen in weld metal was expatiated.
本发明实现了补焊前的预热，补焊接头强度大于熔敷金属自身的强度。
The invention realizes preheating before repair welding, and the strength of a repair welding joint is more than that of the deposited metals.
分析了堆焊熔敷金属的显微组织，研究了焊接线能量对堆焊层金属显微组织形成的影响。
The microstructure of the deposited metal and the effect of the welding heat input on the formation of the deposited metal are studied.
熔敷金属具有高硬度的马氏体组织，耐磨耗耐冲击性能优良，硬度HRC55 ~58。
Deposited metal of martensite with high hardness, good abrasion resistance, impact resistant performance of hardness HRC55 ~ 58.
本发明的补焊方法，包括以下步骤：首先根据大型锻件的材质成分，制备补焊用保护剂和熔敷金属；
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;
熔敷金属力学性能优良，用于中碳钢和低合金钢重要结构的焊接，如压力容器、桥梁及船舶结构。
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.
此焊丝的工艺性能良好，适用于全位置焊接，熔敷金属的力学性能达到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.
降低焊接线能量时，将降低熔敷金属中的氧含量及其氧化夹杂物的数量和大小，从而提高熔敷金属的韧性。
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.
而由于稀土元素在先期脱氧中大量氧化，其脱氮效果较弱，稀土元素对熔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.
熔敷金属中的含碳量与焊接材料中的含碳量相比是增加还是减少，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%.
采用含铝钢带制造自保护药芯焊丝能充分发挥铝的有利作用，同时减少熔敷金属中残留铝含量及对性能的不利影响。
When using the aluminium contained steel sheath, the harmf of aluminum to the properties of deposited metal can be limited to some extent.
本文针对焊缝熔敷金属在高强时，容易开裂问题展开研究，研制了中、高碳合金钢工件表面修复的高强、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.
研制的容器主焊缝埋弧焊材与国外典型的埋弧焊焊材在焊接工艺性能和熔敷金属力学性能及纯净度方面对比，结果表明研制焊材与日本神户制钢所的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.
这是埋弧焊，一种常用的焊接方法，它在一小时内熔敷的金属量可以等于操作者本身的重量。
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.
采用不同配比的保护气体，在水冷铜模中堆焊焊缝金属，获得不同扩散氢含量的熔敷焊缝试棒。
Deposit metal samples are prepared by GMAW shielded with different gases in copper mould with water cooling.
研究了交流和直流反接两种型式下焊丝金属熔敷率、焊接接头金属组织以及接头的力学性能。
The deposition efficiency of welding wires metal, microstructure and mechanical properties of welded joints were studied.
分析总结出有关工艺参数与焊缝金属填充量间关系的经验公式，并通过计算得到了其中熔敷效率的试验值。
The experimental value of the deposition efficiency was gotten from the calculation, which is useful to optimize welding process.
结合熔敷堆焊的工艺特点，采用快速成形技术探索实现功能型智能金属的快速制备。
Involved in the characteristic of fusing welding, rapid prototyping is adopted to rapidly manufacture the functional smart metallic product.
结合熔敷堆焊的工艺特点，采用快速成形技术探索实现功能型智能金属的快速制备。
Involved in the characteristic of fusing welding, rapid prototyping is adopted to rapidly manufacture the functional smart metallic product.
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