Selection of materials for cryogenic applications

Selection of suitable materials for a discrete instrument is one of the hardest tasks in the design and product progress in diverse engineering purposes. Materials play a serious and important function through the entire design and factoring procedure. Inaccurate assortment of materials commonly causes huge price relation and ultimately causes manufactured goods breakdown. For that reason, the designers are needed to identify and choose suitable materials with precise functionalities in order to attain the preferred production by least price participation and exact applicability. This study tries to resolve the materials selection problem by means of the current weighted property index method (WPIM) to choose the materials for cryogenic applications. In this technique, five different properties are chosen as necessary characteristics including, specific stiffness, corrosion, low temperature resistance, and cost. Subsequently candidate materials were ranked and selected via the weighted property index technique. Owing to the thermal and corrosion resistance and convenient specific stiffness of aluminum, magnesium, and titanium alloys as well as polymeric materials were deemed as suitable for cryogenic applications. Consequently of the current weighted property index method, Al alloys were established to be the preeminent materials for cryogenic applications. The chosen materials approved nearly totally with those attained by earlier investigators.