The use of NiAl Coating Deposited by ESD Against the Wear of Sliding Wire in GMAW Contact Tips

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Politeknik Dergisi
Volume:25 Issue:2
The use of NiAl Coating Deposited by ESD Against the Wear of Sliding Wire in GMAW Contact Tips

The use of NiAl Coating Deposited by ESD Against the Wear of Sliding Wire in GMAW Contact Tips

Authors : Mustafa YAZAR, Milat KUL, Ali Kemal ALP, Şükrü TALAŞ

Pages : 739-744

Doi:10.2339/politeknik.865736

View : 46 | Download : 7

Publication Date : 2022-06-01

Article Type : Research Paper

Abstract :The wear during the sliding of wire in Gas Metal Arc Welding insert ignore into journalissuearticles values(GMAW); causes the contact tips to be replaced after a certain number of hours of service. In order to reduce the wear, GMAW weld contact tips were coated by NiAl using ESD insert ignore into journalissuearticles values(Electro Spark Deposition); with 60V and 500 Hz under Argon. The testing of contact tips were done on robotic GMAW stations and standard metallographic techniques and SEM microscopy were used to reveal the microstructure. The results indicate that the service life of contact tips can be extended as much as 50 % compared to uncoated contact tips in concern via the use of NiAl coating, affecting the wire friction wear performance during high temperature welding process.
Keywords : Aşınma, ESD kaplama, NiAl, kontak uçları

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