What are the effects of different surface treatment methods on the performance of tungsten electrodes

In modern welding technology, the performance of tungsten electrodes directly affects welding quality and efficiency. Different surface treatments have a significant impact on the performance of tungsten electrodes, mainly in terms of wear resistance, oxidation resistance, arc stability and conductivity.
First of all, wear resistance is a crucial performance indicator of tungsten electrodes in high-intensity welding processes. By using surface treatment technologies such as grinding and nitriding, the surface hardness of the electrode can be significantly improved. This increase in hardness effectively reduces electrode failure due to wear during the welding process, thereby extending the service life of the electrode. This feature is particularly important for high-frequency and high-intensity welding operations, which can significantly reduce the frequency of electrode replacement, thereby improving production efficiency.
Secondly, the oxidation resistance is another key performance of tungsten electrodes in high temperature environments. Through treatment processes such as oxidation and nitridation, the anti-oxidation ability of the electrode has been effectively improved. The oxide film formed on the electrode surface by these treatments can effectively isolate oxygen, protect the core material of the electrode, and reduce performance degradation caused by oxidation. This protection mechanism is of great significance for extending the service life of the electrode and ensuring welding quality. The stability of the electrode is particularly outstanding when operating under high temperatures and oxidizing atmospheres.
Arc stability is another important factor affecting welding quality. Through appropriate surface treatment, the arc stability of the electrode can be effectively improved and the arc jitter during the welding process can be reduced. Grinding treatment and oxidation treatment are particularly outstanding in this regard, ensuring that the electrode maintains a stable arc during welding, thus improving the uniformity and reliability of welding. The stability of the arc is directly related to the quality of the welded joint, which in turn affects the performance and durability of the final product.
Electrical conductivity is an important component of tungsten electrode performance. Through certain surface treatments, such as grinding and electroplating, the conductive properties of the electrode can be significantly improved. This improvement not only improves welding efficiency, but also provides a more uniform current flow during the welding process, thereby reducing energy consumption. Electrodes with superior conductivity can effectively reduce current fluctuations during the welding process, ensuring the stability and consistency of the welding process, thereby improving the quality of the final welding product.