functionally graded aluminium/zirconia metal matrix composite was fabricated using stir casting technique followed by horizontal centrifugal casting process and a hollow cylindrical functionally graded composite (150 x 150 x 16 mm) was obtained with centrifuging speed of 1200 rpm. the microstructural evaluation and hardness test was carried out on the outer and inner surface of the functionally...

Visual hull reconstruction is the process of generating three dimensional scene geometry from silhouette images captured from different views of a scene. The visual hull is the shape maximally consistent with its silhouette projection [4]. It has been popular due to its good approximating qualities for many objects and its ease and speed of implementation. It is commonly used as a starting poin...

A conventional twin-roll caster usually casts strips at a speed slower than 2 m/min and roll load greater kN/mm. vertical-type high-speed can cast aluminum alloy higher 10 smaller 550 N/mm due to the effect of large thermal conductivity copper rolls, compared with that steel rolls. However, properties an strip 140 30 are not clear. In this study, Al–5%Mg were loads 88 using caster. The effects ...

A componential analysis was conducted to determine the locus of adult age differences in symbol arithmetic. Measures of the duration of two proposed components, substitution of digits for symbols and the addition or subtraction of the digits resulting from these substitutions, were obtained from 52 young adults and 52 older adults. Tests of working memory, perceptual speed, motor speed, and ass...

Abstract In steel continuous casting (CC), the choice of appropriate speed at which slab is cast can be influenced by many different factors and phenomena. While thickness seems to have biggest impact, other features like width been consistently overlooked. fact, practically limits via mass flow constraint governs input output balance tundish. Here, we present a case study that aims analyzing p...

The ever increasing size of data sets for scientific and medical visualization demands new isosurface volume rendering techniques to provide interactivity for the large datasets. The main obstacle to achieving interactivity is the computational bottleneck due to the dataset traversal and the corresponding amount of data transfer. We propose a novel GPU based dataset traversal technique that use...

Ultrahigh-speed continuous casting is a critical element in achieving high-efficiency casting. In the present work, three-dimensional model of 160 mm × billet ultrahigh-speed mold was developed for use studying influences different parameters on molten steel flow. The results showed that flow pattern not associated with its speeds, submerged entry nozzle (SEN) immersion depths, or inner diamete...