Materials Literature
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A phase-field approach which incorporates mass and momentum and solute conservation equations for simulation of Al-Si binary alloy solidification is studied. The effect of force flow on the dendrite growth and solute profile during the solidification of binary alloy were investigated. The results indicate that dendrit…
In this paper, the low-silicon palladium-platinum tailing is used to produce autoclaved aerated concrete. The influences of water binder ratio, palladium-platinum tailing content, lime content and conditioning agents on the compressive strength of the autoclaved aerated concrete are investigated. Optimal raw material…
The Keggin-type TBA4H2[BW11Mn(H2O)O39].H2O (BW11Mn) compound was isolated and characterized. The first sphere of coordination for the manganese atom was determined by EXAFS analysis. Six oxygen atoms were found in the range of 1.80-2.64 Å from the manganese. BW11Mn showed to be an active, efficient and selective catal…
Mg alloys are drawing a lot of attention and have been extensively studied. The major obstacle to the practical application of the alloys is the poor formability at room temperature, originating basically from the insufficient number of slip system. Development of a proper microstructure and/or texture is one promisin…
The conventional hydroforming process for automobile axle housing needs a large-tonnage press and has the drawback of the dome part being apt to burst due to the large thinning. A new forming technology, bulging-pressing compound-deforming for automobile axle housing, is proposed, which is suitable for the large varia…
The use of Potassium-phosphate baths for the alloy deposition of Nickel–Molybdenum is recently proved equally good as Sodium-citrate baths. The coatings so obtained from Potassium-phosphate baths were examined for atomic weight percentage of Molybdenum. The variation in weight percentage of Molybdenum was obtained by…
In this work, three water-cooled experimental solidification devices were developed, and experiments were carried out with an Al-1.5wt%Fe alloy. The three experimental setups consist of vertical cylindrical steel molds with each of them having different zones cooled by water. For the inward solidification, a cooled tu…
In order to predict the mechanical property during the actual production of gray cast iron, to qualify the casting for the requirement of mechanical property and to control the cost, in this paper a series of anatomy and mechanical property experiments are conducted based on the automobile engine cylinder head process…
Anthropometric data for developing industrial standards in apparel manufacturing for the home market Standard measurements identifying body measurements are very important in apparel manufacturing because they help in identifying different sizes, economize the material, and decide on production quantities according th…
Different types of carbon nanostructure materials have been grown on nano-sized transition metal oxide based catalyst particles by catalytic chemical vapour deposition. The present investigation reveals an important role of melting or surface melting of oxide catalysts for the growth of carbon nanostructure materials.…
Beryllium and carbon are foreseen as materials for plasma facing components of future fusion devices. Erosion, re-deposition and thermal annealing events arising from heat-loads during reactor operation will produce mixed material layers and compounds on the plasma facing surfaces, leading to changes in the material p…
Conventional methods of processing hollow silica granules are tedious, expensive and time consuming. The present work aims at the production of hollow silica granules by a rapid, simple & cost-effective process, by employing microwave heat treatment which reduces the time factor drastically. Microwave processing is an…
In the contrast study of establishing the frictional models in finite element (FE) simulations of high-speed machining Ti6Al4V in this work, FE predictions from the simulation are greatly influenced by frictional coefficient μ, which shows the predicted force at the speed of 166m/min is much closer to the experimental…
Lignocellulosic fibers present several advantages over synthetic fibers, such as low cost and biodegradability. In this work the tensile mechanical behavior of as-received and surface treated curaua fibers was analyzed. Mercerization and three different enzyme surface treatments were used. The tensile stress data were…
When both SnO2 film and a-Si film with infinite square resistance are deposited on an ITO film, the square resistance of the ITO film notably decreases. This phenomenon is more remarkable, when an ITO film has large square resistance. We believe that the films are composed of spaced crystalline grains. The film resist…
Prepared POE-g-MAH/PA6, POE-g-MAH/OMMT/PA6 blends. The morphology of the blends had been characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM),and the blends had been detected by mechanical performance test. Test results showed that with the increasing of the content of POE-g-MAH’…
Friction stir processing (FSP) is an emerging metal-working technique based on the same fundaments as friction stir welding that allows local modification and control of microstructures, for the purpose of improving surface or in-volume mechanical properties. This paper aims to explore several applications of the FSP…
Abstract：The shaped-wire drawing dies are used more and more popularly in the metal product industry for several advantages of locked structure. In present investigation, a layer of CVD diamond film is deposited on the interior-hole surface of shaped-wire drawing die using a hot filament chemical vapor deposition (HFC…
Magnesium-aluminium spinel (MgAl2O4) in the form of transparent ceramics is applied in shields of infrared detectors or emitters, high-temperature widows and elements of military aircrafts and vehicles. Apart from high transparency for specific wave lengths, such materials should have good mechanical properties, espec…
As a kind of environment-friendly fiber, akund will create considerable interest in the apparel industry due to its fine luster, good moisture absorption, renewable and pollution free feature. This research is a comparative study of the physical properties of akund/cotton material and pure cotton material. Results sho…