该材料的综合性能,如密度、硬度、电阻率、灭弧特性及温度特性与传统的银基触头材料接近。
The combined properties of the material, such as density, hardness, resistivity, arc resistance and temperature characteristics, are similar to those of conventional silver contact materials.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
本课题就是在铁基和镍基的等离子弧堆焊过程中引入纵向直流磁场,利用磁场的作用提高堆焊层的性能。
This paper is about the effect of introducing longitudinal magnetic field on plasma overlaying of Fe-based and Ni-based welding alloy.
该焊机采用“无源引弧器”引弧,引入CMOS、时基、大功率开关等集成电路进行弧焊自动控制。
Welding machine control unit is equiped with no power source arc start unit, CMOS, and high power switch.
本课题就是在钻基等离子弧堆焊过程中引入纵向直流磁场,利用磁场的作用提高堆焊层的性能。
This paper is about the effect of applied longitudinal magnetic field on Co-based plasma overlaying welding alloy.
利用等离子弧对低碳钢表面预涂的铁基自熔性合金粉末进行了熔覆处理,并对熔覆层的组织结构和性能进行了分析研究。
The self molten Fe base alloy powder on low carbon steel precoated sheet was melted by thermal plasma arc. The microstructure and hardness of the clad coating were analyzed.
分析了压力变化与开断时间的关系,比较了不同基压下压气缸与喷口喉部气体压力特性的变化,说明了基压对断路器灭弧室内压力的影响。
The changes of the pressure in puffer chamber and nozzle throat under different base pressure are compared, which shows that base pressure has an influence on the pressure in gas chamber.
目的:在种植体涂层中引入稀土镧,对引入稀土元素镧的钛基超声辅助微弧氧化涂层的生物相容性进行评价。
OBJECTIVE: To introduce rare earth lanthanum into the implant coating, and to evaluate the biocompatibility of ultrasound-assisted micro-arc oxidation preparing the lanthanum biocoating.
目的:在种植体涂层中引入稀土镧,对引入稀土元素镧的钛基超声辅助微弧氧化涂层的生物相容性进行评价。
OBJECTIVE: To introduce rare earth lanthanum into the implant coating, and to evaluate the biocompatibility of ultrasound-assisted micro-arc oxidation preparing the lanthanum biocoating.
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