The Maximum Allowable Current Experiments on Cerium Tungsten Electrode

Reverse polarity test
Experiment one
Experimental Materials: 2% Ce-W tungsten cerium electrode, 4% Ce-W cerium tungsten electrode, 2% Tn-W thorium tungsten electrode
Electrode requirements: a diameter of 5mm;
Experimental procedure: Under the condition of current = 80A, make the electrode ends flat, fixed and vertical, burn 20minute;
The results: 2% / 4% Ce-W cerium tungsten electrode is not stable at the beginning, and then it stabilizes; whereas arc of 2% Tn-W thorium tungsten electrode is always unstable.
Experiment two
Experimental materials: it is the same with the” Experiment one”
Electrode requirements: a diameter of 7mm;
Experimental procedure: Under current = 105A conditions, burning 12 minute;
Experimental results: loss of 4% Ce-W cerium tungsten electrode is the smallest one.

Positive polarity test
Experimental materials: the same with the” Experiment one”
Electrode requirements: a diameter of 5mm;
Results: Under the same conditions, the damage of the three kind of electrode, the damage of 2% Tn-W thorium tungsten electrode is most serious, while the case of 4% Ce-W cerium tungsten electrode is preferably.

Exchange experiments
Experimental materials: the same with the” Experiment one”
Electrode requirements: a diameter of 5mm;
Experimental procedure: Under the same conditions of exchange experiments;
The results: the case of 2% Ce-W cerium tungsten electrode is the best, 2% Tn-W thorium tungsten electrode followed.


 

Tungsten Metals Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten.com.cn
 Tel.: 86 592 5129696; Fax: 86 592 5129797
 Email: sales@chinatungsten.com
 Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
 Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
 Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

 

WeChat