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.
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.
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.
本课题在分析常规弧焊技术特点的基础上，选取熔透式低频直流等离子弧焊电源作为成形的热源。
In basis of analyzing the features of the conventional arc welding technology, a DC low-frequency plasma welding power with fusion penetration is selected as the heat source for metal forming.
通过试验和理论分析，研究了手弧焊熔渣冶金脱硫行为。
The behaviors of desulphidation during manual metal arc welding have been studied by means of experimental and theoretical analysis.
本文根据实验测得的熔深数据完成了焊接坡口形式与尺寸对埋弧焊熔深影响的试验研究。
According to penetration data required from test, this paper has finished the test re search that welding groove types and dimensions of pressure vessel effect the SAW's penetration.
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.
通过叙述相关的混沌基本概念，以及结合滴水龙头混沌的相关运动规律，提出建立弧焊混沌数学模型在本质上能更真实地反映熔滴过渡过程。
According to the related chaos theory and the related chaotic movement characteristics in dripping faucet, a establishing chaotic model can reflect better in essence the metal transfer is put forward.
通过叙述相关的混沌基本概念，以及结合滴水龙头混沌的相关运动规律，提出建立弧焊混沌数学模型在本质上能更真实地反映熔滴过渡过程。
According to the related chaos theory and the related chaotic movement characteristics in dripping faucet, a establishing chaotic model can reflect better in essence the metal transfer is put forward.
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