等离子弧喷涂

本文在原有实验基础上，进一步优化等离子弧喷涂Al2O3陶瓷涂层的工艺过程，采用适当的喷涂工艺参数，获得较高结合强度的Al2O3陶瓷涂层，制备出耐锌液腐蚀陶瓷涂层。

On the basis of primary experiment , further optimizing technical processing of plasma spraying Al_2O_3 ceramic coating , choosing the proper spraying parameters , acquiring the Al_2O_3 ceramic coating of highly bond intensity , making a preparation the ceramic coating which can prevent from corrosion of galvanizing zinc .

介绍了气体爆炸喷涂，超音速火焰喷涂和超音速等离子弧喷涂等高能高速热喷涂工艺的发展、原理、特点及其应用。

The development , principle , character and application of high energy and high speed heat spraying including gas detonation spraying , high velocity oxygen-fuel spraying and hypersonic plasma spraying were introduced .

基于PLC实现等离子弧喷涂电流调节

Realizing the adjustment on current of Plasma Arc Spraying based on PLC

等离子弧喷涂Al2O3陶瓷涂层低温抗热震性能的研究

Study of Low-Temperature Thermal Shock Resistance of Plasma-Arc Sprayed Alumina Ceramic Coating

第二，采用等离子弧喷涂方法，制备耐锌蚀Al2O3陶瓷涂层。

Second , it prepared the sample with plasma spraying Al_2O_3 ceramic coating , which can prevent from the corrosion of galvanizing zinc .

本文在原有的实验基础上，进一步确定了等离子弧喷涂Al2O3陶瓷涂层的工艺参数，并对涂层进行了拉伸实验和抗热震实验。

In this paper , the process parameters of plasma arc spraying Al2O3 ceramic coatings is adjusted further , and then the stretching experiment and thermal shock resistance experiment of coatings are performed .

该装置采用PLC自动控制，能满足等离子弧喷涂、等离子弧热喷焊、等离子弧表面淬火以及等离子弧熔覆处理等技术的需要。

Based on traditional plasma powder welding and plasma spraying equipments , the multi-purpose metal surface modification equipment was designed . The equipment is controlled through programmable controller , and could be used in plasma spraying , plasma powder welding , plasma quenching , and plasma cladding .

等离子弧喷涂钼基伪合金涂层的试验研究

Experimental study on plasma-spraying molybdenum base pseudo-alloy coating

对等离子弧喷涂法快速制模技术进行了基础实验研究。

The basic experimental researches on rapid manufacturing moulds by plasma spraying have been carried out .

并对等离子弧喷涂的全过程采用可编程控制器进行控制，提高可靠性和自动化水平。

The programmable controller controlled the whole process of plasma arc spraying , and the reliability and automatic level were raised .

通过试验，采用等离子弧喷涂法在液压阀的内壁上喷涂Al＿2O～3陶瓷。

Using plasma spraying , ceramic coating ( Al_2O ~ 3 ) is sprayed on the inner wall of hydraulic valve .

研制的大功率等离子弧喷涂枪采用双喷嘴、双循环冷却结构，枪外送粉，混合式供气，增压泵水冷。

The gun has a structure of double-spray nozzle and double-cooling passage with out-powder-supply , mixed gas supply and pumped water supply .

本系统采用的是德国西门子公司制造的可编程控制器，可编程控制器的输入与输出端口配置和主控制系统软件的设计是按照等离子弧喷涂工艺流程要求来确定的。

The programmable controller used by the system was manufactured by the Semen 's Company in German , and it 's input and output were determined according to the request for plasma arc spraying technological process .

等离子弧热喷涂的工作气体流量不宜过低，当低于20L／min实验所用的等离子设备将无法正常工作，相反气体流量太大将会冷却等离子弧焰流，导致沉积率显著降低。

The equipments of plasma arc spraying can not work normally when use a flux of work gas less than 20L / min. The plasma arc blaze will be cooled down and the deposit speed will reduce when use a excessive flux of work gas .

本研究分析了在低气压等离子喷涂条件下，TiO2涂层的结构受等离子弧喷涂过程中氧分解量所影响。

The structure of low pressure condition plasma sprayed TiO_2 coatings was investigated .