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TITLE : SELECTION OF ALLOYS FOR FABRICATION OF EQUIPMENTS USED IN HYDROGEN PRODUCTION BASED ON THEIR TENSILE STRENGTH ľA REVIEW  
AUTHORS : Silky Das      Preethi Priya            
ABSTRACT :

A well recognized fact is that Hydrogen represents an abundant, clean and mobile energy carrier. It is one of the lightest gas hence can be widely used for the production of biofuels and preparing mineral acids. It is the greatest safety asset in an outdoor environment. In lieu to this it is used for powering automobiles and generating electricity. Thus it is a widely used fuel which should be produced on a large scale. Research is being carried out in the production of Hydrogen from large amount of –―food waste‖. Other useful gases such as Methane(CH4),Propane(C3H6), Ammonia(NH3) and many more can be produced from – food waste. But our focus would be to produce Hydrogen as it’s the most requisite fuel with advantageous features. A major issue here is the containment of Hydrogen during its storage and transportation as its presence can lead to severe degradation in the mechanical properties, especially in stainless steel alloys. This phenomenon is known as Hydrogen embrittlement and will lead to unexpected catastrophic features such as decrease in - ductility, tensile strength and elongation percentage. This article would focus on the comparision of the tensile strength of different alloys of steel before and after to Hydrogen embrittlement . As Hydrogen embrittlement cannot be prevented, this comparative study would envisage methods to reduce embritllement and select materials that can withstand Hydrogen embrittlement .  

Keywords: Embrittlement, Steel alloys, Ductility, Tensile strength, Nanocoating, Galvanizing 

 
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