Comparison of oxygen and nitrogen plasmas for production of nano-composite layers of alumina and aluminium

Subject Areas : journal of New Materials

مهدی Yousefzadeh ¹ , صمد Sobhanian ² , حمید Naghshara ³

1 - گروه فیزیک ،دانشگاه آزاداسلامی، واحدعلوم وتحقیقات آذربایجان شرقی، تبریز-ایران
2 - گروه فیزیک ، دانشگاه آزاداسلامی، واحدتبریز، تبریز-ایران
3 - گروه حالت جامد، دانشکده فیزیک،دانشگاه تبریز، تبریز-ایران

Received: 2015-07-25 Accepted : 2017-06-17 Published : 2017-05-22

Keywords: Plasma, Plasma spray, Plasma torch coating, deposition, Oxygen plasma, Nitrogen plasma, Deposition of Alumina, Deposition of Aluminum,

Abstract :

Nowadays plasma has found wide industrial applications. One of these applications is layer deposition for surface modification and creating special physico- chemical and mechanical properties for the deposited layer. In this research work, a plasma torch is designed and manufactured for deposition of some non-metallic and metallic oxides on refractory stainless steel substrate via plasma spraying. (X-Ray Diffract meter)XRD  results confirm the formation of designed layers. Scanning Electron Microscope (SEM) also illustrates the formation of different Macromolecules (Nano-sized) on the surfaces of the samples. Alloy Coating is widely used to prevent the surface material destructions at high temperatures .One can use Plasma Torches to deposit refractory oxide like (Al2O3, SiO2, TiO2, and ZrO2) which have high melting points and it is not possible to melt and spray them with conversional methods.        

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