详细分析了等离子束表面冶金熔池的凝固机理、凝固特征及对凝固组织的影响。
The freezing mechanics, characteristic and influence on structure of plasma-jet surface metallurgy have been analyzed in full.
检测了炉渣的流动温度和岩相结构，分析了渣-钢之间化学反应的平衡状况和氧射流对熔池的作用。
The slag temperature and morphology were measured and observed. The equilibrium between the slag and melt and the reaction of oxygen jet with the bath were analyzed.
为了了解大型转炉吹炼过程中熔池温度的变化规律，利用副枪在转炉吹炼过程中进行了测温和取样分析。
To comprehend the change law of bath temperature in blowing of large converter the sublance is used for measuring the temperature and sampling analysis.
对脉冲TIG焊未熔透型熔池在脉冲峰-基转换期间熔池三维形态变化行为进行了定性的分析，并从力和能量角度建立了未熔透熔池液面形态的数学模型。
The qualitative analysis is carried out on the behavior of the partial penetrated weld pool with welding current changing from pulsed peak value to base value during pulsed TIG welding.
通过对螺旋埋弧焊管内焊缝成型和焊接过程的分析，指出焊缝裂纹易产生在焊接熔池脆性温度区。
Through analysis on inside weld forming and welding procedure of SSAW pipe, it pointed out weld crack is easy to appear in brittle temperature zone in welding pool.
综合考虑MIG焊接物理过程，建立了MIG焊接熔池流场和温度场的数值分析模型。
Considering the physical process of MIG welding, the numerical analysis model of the fluid flow and the temperature field has been developed.
在单道多层熔覆中测量了熔覆不同层时熔池温度的变化，分析了结合面的金相和熔覆层的组织结构。
The change of molten pool temperature of different layers was measured, and the Metallographic and Microstructures in combined interface were analyzed.
通过对等离子弧焊接时熔池的受力情况分析，阐明了液体金属剧烈运动是由于多种力共同作用的结果。
The forces acted on melting pool during plasma arc welding process are analyzed. The violent movement of liquid metal is as the result of joint forces acted on the pool.
本文根据熔池动力学的研究成果分析产生这种熔深易变性的原因，指出了生产中有效控制这种易变性的对策。
Based on research of melting pool of dynamics, the article discussed the reason of melting variation, and pointed out the countermeasure for effective control the variation in production.
在此基础上，对小孔等离子弧焊接热场进行了有限元计算，分析了引弧后熔池及周围温度场的瞬时演变过程。
Based on TPAW, finite element calculation of temperature field in keyhole plasma arc welding is conducted, and.
分析了在压力容器环缝组对及焊接中存在的错边、间隙不均匀以及焊接中熔池流动等问题。
The problems such as fissure of displacement, slit nonuniform and weld puddle flowing etc at the case of assembling and welding on orbital slit of pressure vessel are analyzed.
分析了间隙对熔池形状的影响，得出不同工艺参数对熔宽变化的影响规律，并分析了电孤形态差异对接头的影响。
The effect obviously is changed with welding time, and the effect of gap on shape of molten pool is analyzed as well as the rule of different parameter on the change of molten width is obtained.
对熔焊时电弧区、熔池区的氮行为进行了分析，以实现焊缝固溶氮含量的有效控制。
This article illuminates the nitrogen behavior in the welding arc zone and weld pool respectively so as to control the content of solid solution nitrogen effectively.
利用建立的三维tIG焊接熔池瞬时行为数值分析模型，对移动热源作用下不锈钢薄板全熔透时熔池动态行为进行了数值分析。
A 3-d transient numerical model for TIG welding stainless steel has been developed to simulate full-penetrated weld pool dynamic behavior.
利用建立的三维tIG焊接熔池瞬时行为数值分析模型，对移动热源作用下不锈钢薄板全熔透时熔池动态行为进行了数值分析。
A 3-d transient numerical model for TIG welding stainless steel has been developed to simulate full-penetrated weld pool dynamic behavior.
应用推荐