In this study, the effects of metallic zinc (Zn) particles were studied to increase surface temperature on a solar-still absorber, which is major component increased production. Various concentrations Zn mixed in black paint and applied absorber plate. SEM XRD used examine confirm morphology phase identification as-received powder. UV-Vis spectroscopy was light-absorption properties. Finally, e...

Owing to the high theoretical energy density of metal-air batteries, the aluminum-air battery has been proposed as a promising long-term power supply for electronics. However, the available energy density from the aluminum-air battery is far from that anticipated and is limited by current electrode materials. Herein we described the creation of a new family of all-solid-state fiber-shaped alumi...

This paper investigates the effect of porous microstructure on necking formability ductile sheets subjected to dynamic in-plane stretching. We have developed an original approach in which finite element calculations include actual void distributions obtained from additively manufactured materials are compared with simulations specimen is modeled Gurson–Tvergaard continuum plasticity theory (Gur...

In this research work 2-D CPC (Compound Parabolic Concentrator) with flat plate absorber and two parabolic reflectors is first designed and then fabricated for thermal performance analysis. Here the incident rays, after reflection from the reflector, are not focused at a point but are simply collected on a line of absorber surface. Acrylic sheets are provided to reduce the heat loss. Flat plate...

The cold roll bonding of Al on AISI 304L stainless steel was carried out to fabricate the Al/304L/Al clad sheet composites. The maximum bond strength of 20 N/mm was acquired just by 38% reduction, for which the tearing of the aluminum sheet occurred during the peeling test. The microstructural evolution during subsequent postannealing heat treatment was systematically studied based on the impur...

Automobile light weight structural composites are subjected to the various loadings in their service lives. Honeycombs are increasingly used as core structures in automobile light weight structures as energy absorbers. In this paper the energy absorption of honeycomb panels under impact of cylindrical projectile is numerically and experimentally studied. The effect of the core materials and cro...

The development of a sub-surface layer of porosity during heat treatment has been studied in a variety of A1-Li alloys. Pure binary A1-Li alloys and three commercial materials were heat treated in air, vacuum and hydrogen for various lengths of time. Subsequent metallographic sectioning and polishing revealed the presence of a band of pores in the near-surface region extending approximately 300...