Cerium Tungsten Electrode Material Properties
- Details
- Category: Tungsten Information
- Published on Wednesday, 05 August 2015 18:05
Cerium tungsten electrode material properties: the comparison result with thorium tungsten electrode material is as follows:
|
Tungsten electrode materials |
Electronic work function (eV) |
α-ray dose (Ci / kg) |
|
Cerium tungsten electrode（2％ Ce - W） |
2.4 |
2.42*10-8 |
|
Thorium tungsten electrode（2％ Tn - W） |
2.7 |
3.64*10-5 |
Tn half-life is: 1.4*1014 year
Oxidation resistance properties: under the same cutting conditions, when the nozzle leakage, cerium tungsten electrode change little, but the loss of thorium tungsten electrode is significantly increased. In a gas discharge lamp atmosphere or when the oxide content increases, it is also the same, which can explain that oxidation resistance of cerium tungsten electrode is better.
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