Time dependent argon glow discharge treatment of Al-alloy samples

Pramana

Sunanda J Karandikar²  A K Dua¹  K K Kutty¹  S V Gogawale² 

[1] Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India$$;Department of Physics, University of Mumbai, Vidyanagari, Mumbai 400 098, India$$

关键词: Aluminium alloy;    scanning electron microscope;    energy dispersive microanalysis by X-rays;    argon glow discharge;    time-dependent.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

Aluminium alloy ultra-high vacuum system provides a convenient tool to access the UHV region due to short pump down time, its reduced weight, low cost etc. For UHV systems, aluminium and its alloys are preferred materials to stainless steel.A cylindrical discharge chamger of SS 304 with various ports on it, evacuated by turbomoleculer pumping unit is used in the experimental system. A hollow cathode de glow discharge in argon for different time durations is used to treat chemically cleaned ASA 6063 aluminium alloy samples, keeping all other parameters constant.The scanning electron microscope (SEM) is used to examine processed surfaces and to study topographical features. The energy dispersive microanalysis by X-rays (EDX) is used to determine the elemental composition of the samples.The results indicate the physical sputtering taking place in Ar GDC. The etched area increases with discharge time duration. The EDX spectrum shows the inconsistency in weight percentage of various elements of Al-alloy.

【 授权许可】

Unknown