The effect of external AC magnetic field on arc shape and weld quality of magnesium alloy TIG welding were analyzed.
中文摘要：采用组织分析和性能检测的方法，研究了外加纵向交流磁场对镁合金TIG焊电弧形态及焊缝质量的影响。
The effect of applied longitudinal magnetic field on Co-based plasma arc surfacing on low carbon steel was studied.
对低碳钢表面进行钴基等离子弧堆焊时外加纵向磁场，发现当磁场强度和焊接工艺参数相匹配时，焊缝组织才能获得最佳的细化效果，并着重分析了磁场强度和焊接电流对钴基合金堆焊层硬度和耐磨性的影响。
The influence of duty ratio of longitudinal intermittent alternative magnetic field on microstructure and properties of plasma arc surfacing layer was researched.
研究了纵向间歇交变磁场占空比对等离子弧堆焊金属组织及性能的影响。
Switching arc can be thought as a column because of its self-magnetic field pinch effect. Arc column is deformed by magnetic force that produced by circuit current flow. If the arc image was acquired from a orthongonal direction to arc column deformation force.
在分析低压电器开关电弧的低温等离子体特性、弧柱磁压缩效应的基础上，提出了基于电弧图象采集和非均匀有理B样条曲面拟合相结合的开关电弧可视化仿真模型。
It is the first time that no additional anode was adopted in the magnetic macroparticles filter. At the same time the auto-re-igniting system was designed for vacuum cathodic arc deposition instrument. It ignites the arc with an electronic component with high voltage and can auto distinguish weather the arc dies out or is on during the deposition via a main power supply feedback unit. The energy for igniting the arc is very less and thus can successfully prevent the film being contaminated.
设计制造的电子式真空阴极弧离子镀引弧器成功地实现了高压脉冲引弧，可以多次重复使用，所用能量较小，可以有效防止对所镀膜的污染，引弧可靠，能够自动识别电弧是否引燃，能够在熄弧后自动重新引弧，重新引弧的速度快，有效防止了熄弧引起的气压波动，使镀膜过程中气压非常稳定。
With this modified vacuum arc deposition apparatus, the effects of filter duct magnetic field on cathodic arc discharge and plasma transport are studied.
在此情况下对磁过滤管道磁场对MEVVA源阳极阴极以及磁过滤管道阴极 2个回路弧放电以及磁过滤管道等离子体传输效率的影响进行了实验研究。
Nano-carbon and iron composite-carbon-coated iron nanoparticles produced by carbon arc method can be used as a new kind of magnetic targeting and heating drug carrier for cancer therapy.
采用纳米铁碳复合物---用直流碳弧法制备的碳包铁纳米粒子作为一种全新的磁性靶向发热药物载体有可能用于癌症治疗。
Fig. 7 Axial magnetic field contact arc
图7 纵向磁场触头电弧
Fig. 6 Radial magnetic field contact arc
图6 横向磁场触头电弧
On the basis of theoretical analysis to interrupting process in low voltage circuit breaker, a chain arc model is set up for magnetic field driven arc in arc chamber.
本文对低压断路器的开断过程进行了详细的理论分析，提出了一种低压断路器的链式电弧动态数学模型。
Proper utilization of longitudinal magnetic field can enhance the breaking capacity of vacuum arc quenching chamber.
触人背面设置线圈产生纵向磁场的人式做丫一汪各种真空电弧电流-/的性能试验。
According to working principle and regulative characteristic of the arc-suppression coil with magnetic bias, automatic tracking dynamic compensation system of the arc-suppression coil with magnetic bias based on microprocessor is developed.
本文根据偏磁式消弧线圈的工作原理和调节特性，开发出基于微处理器的偏磁式消弧线圈的自动跟踪动态补偿系统。
The influence of arc form and force changed by external longitudinal magnetic field on short-circuit frequency are discussed.
讨论了外加纵向磁场改善电弧形态和熔滴短路过渡的受力方式对过渡频率的影响。
The new manufacturing methods of magnetic abrasive are presented by using plasma spraying and laser melting. The key questions about the mixed powers of oxidation, melt, separation and wettability must be solved during spraying by analyzing characteristic of plasma arc.
光整加工实验表明N-S-S-N型磁极结构的光整加工质量最好，而N-S-N-S型的最差；磁粒与合理粒度或比例的铁粉混合，可有效地提高光整加工效果，填充量对光整加工质量影响较大。
Embedding a copper bar in steel to increase the mass of the backup is not good practice., since this will bring a magnetic material too close to the arc.
将一个铜棒放入工件中以增加背面衬垫的数量的做法是不实际的，因为这会将磁性材料带到离弧很近的地方。
Then coupling the circuit, magnetic field and mechanical movement formula, considering the effect of repulsion force, the influence of arc voltage, closing phase angle, predictive short-circuit current, initial moving time of actuator and blow open force on breaking process of MCCB.
应用虚拟样机技术，首先建立了塑料外壳式断路器操作机构运动特性的仿真模型，并用实验验证了模型的正确性；然后耦合电路、电磁场和机械运动方程，考虑电动斥力的作用，分析了电弧电压、合闸相角、预期短路电流、机构开始动作时间及气动斥力对MCCB分断过程的影响。
A metal plasma immersion ion implantation system has been established. This system contains a vacuum cathode arc metal plasma source, a magnetic filter duct and a negative high voltage bias target.
采用由阴极真空弧等离子体源、负脉冲高压靶台和磁过滤系统组成的金属等离子体浸没注入系统，实现Ta+和Ti+浸没注入，并对离子注入层予以表征。
Have a 15-ton electric arc furnace, 15-ton AOD furnace, 3-ton electric-hydraulic hammer, air hammer, common lathe, CNC lathe, large-diameter end face lathe, vertical lathe, drilling and other production equipment more than 100 Units; the existing chemical composition analysis equipment, Portable Direct Reading Spectrometer alloy composition analyzer, SPECTRO desktop direct reading spectrometer, complete sets of metallographic analysis, ultrasonic flaw detector, magnetic particle flaw detector, universal tensile testing machine, impact tester, hardness testing, ultrasonic thickness testing equipment, etc., production fully equipped, perfect testing means, at home with the industry's leading annual production of alloy steel, stainless steel bar and forging material 30, 000 tons, 5, 000 tons of finished flanges.
拥有15吨电弧炉、15吨AOD炉、3吨电液锤、空气锤、普通车床、数控车床、大口径端面车床、立车、钻床等生产设备100多台；现有化学成份分析设备、便携式直读光谱合金成份分析仪、SPECTRO台式直读光谱仪、成套金相分析、超声波探伤仪、磁粉探伤仪、万能拉力试验机、冲击试验机、硬度试验、超声波测厚仪等检测设备，生产设备齐全，测试手段完善，在国内同行业领先，年生产合金钢、不锈钢棒材及锻材30000吨、成品法兰5000吨。
In this thesis the rotary arc gap-switch in axial magnetic field is fully explored.
本文研究对象是轴向磁场控制的旋转电弧开关。
Moreover, it shows that with air vents opened to 20%, 60% and 100%, the arc can arrive in the splitter plates successfully under 10mT magnetic field without restriking.
此外，还发现当磁场为10mT时，在出口面积分别为20%、60%和100% 3种情况下电弧均可以顺利到达栅片，在运动的过程中没有电弧重击穿现象的发生。