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Casting of aluminum alloy strip using an unequal diameter twin roll caster
Casting Unequal diameter twin roll caster Strip casting
2009/12/2
Purpose: of this paper is to clear the property and ability of an unequal diameter twin roll caster to cast
commercial size strip. Therefore, 400mm-width strip was cast as first step. Surface-conditi...
A quality problem in seam welds in aluminum extrusion
Metallic alloys Seam weld Aluminum Extrusion Porthole die
2009/12/1
Purpose: Seam welds occur during the hollow profile extrusion; the billet’s material is divided into separate
metal streams by the bridges of the die which support a mandrel, and then these metal str...
铝合金板冲压成形Benchmark试验与有限元仿真（Benchmark Test and FEM Simulation of Aluminum Alloy Sheet Forming）
铝合金板 冲压成形 Benchmark试验
2009/11/24
采用NUMISHEET2002会议提出的杯形件拉深Benchmark试验方案，在不同压边力工况下，对铝合金板6111-T4的拉深性能、各向异性行为、起皱缺陷进行了试验研究。研究表明：各向异性系数小并未对铝合金板的成形性能产生较大影响，通过增大压边力能有效解决起皱问题，铝合金板6111-T4具有良好的冲压成形性能。基于自主研发的冲压成形CAE软件KMAS平台，对Benchmark试验进行了仿真验证，...
Investigation of the Friction Behavior of the Zinc-Aluminum Based Commercial ZA-27 Journal Bearing
Zinc-aluminum alloy plain bearing friction lubrication
2009/10/13
The zinc-aluminum based ZA-27 alloy was produced by permanent mould casting. Using this alloy and bronze obtained from commercial sources, thin wall journal bearings were manufactured by machining. Th...
Analytical Modeling of Unsteady Aluminum Depletion in Thermal Barrier Coatings
thermal oxidation thermal barrier coating aluminum depletion alumina di usion coecient
2009/10/13
The oxidation behavior of thermal barrier coatings (TBCs) in aircraft turbines is studied. A simple,unsteady and one-dimensional, di usion model based on aluminum depletion from a bond-coat to form an...
Changes of Grain Sizes and Flow Stresses of AA2014 and AA6063 Aluminum Alloys at High Temperatures in Various Strain Rates
Aluminum alloys Plastic deformation Grain size True strain Compression head speed and True strain rate
2009/10/12
Changes in the grain sizes and flow stresses of AA2014 and AA6063 aluminum alloys subjected to
compression tests at high temperatures in various constant compression head speeds were investigated. Wh...
Non-Equilibrium Molecular Dynamics Simulation of Electromigration in Aluminum-Based Metallic Interconnects
Electromigration Diffusion Non-equilibrium molecular dynamics
2009/10/9
The effect of alloying elements in aluminum on diffusion behavior was investigated using non-equilibrium molecular dynamics (NEMD) under the effect of electromigration wind force. The electromigration...
Performance Evaluation of Electrocoagulation Process for Removal of Chromium (VI) from Synthetic Chromium Solutions Using Iron and Aluminum Electrodes
Electrocoagulation chromium removal aluminum electrodes iron electrodes
2009/10/9
The performance of electrocoagulation with iron and aluminum sacrificial anode for removal of Cr(VI) was investigated. Several working parameters, such as pollutant concentration, pH, electrical poten...
Effect of Single-liquid Priming Agents on Adhesive Bonding to Aluminum Oxide of a Methacrylic Resin
Alumina Primer Partially oxidized tri-n-butylborane
2009/9/14
The purpose of this study was to evaluate the effects of acidic primers on adhesive bonding to sintered aluminum oxide (alumina). Alumina disks were primed with one of the following materials: Acryl B...
The Effect of Magnesium Oxide Supplementation to Aluminum Oxide Slip on the Jointing of Aluminum Oxide Bars
Aluminum oxide Magnesium oxide Jointing
2009/9/11
The purpose of this study was to investigate the effect of modifying aluminum oxide slips with magnesium oxide (MgO) to create a jointing material for In-Ceram® Alumina. Jointed In-Ceram® Alum...
Structural and Mössbauer Spectral Studies of Nanosized Aluminum Doped Manganese Zinc Ferrites
Mö ssbauer Spectral Zinc Ferrites Nanosized Aluminum
2009/9/4
Nanoparticles of aluminum-substituted manganese zinc ferrites, Mn1.05Zn0.05AlxFe1.9−xO4 with 0.4≤x≤1.0 were synthesized by solid-state reaction route and characterized by XRD, TEM, and Möss...
Study on the Microstructure and Texture of 3003 Aluminum Sheets Rolled by Laser-Textured Roll
Aluminum Laser-Textured Roll
2009/9/2
In order to improve the surface quality and formability of 3003 aluminum alloy sheet, laser-textured rolls are used in cold rolling. The influences of the cold rolling procedures with conventional and...
Morphological Investigation of Foamed Aluminum Parts Produced by Melt Gas Injection
Morphological Investigation Foamed Aluminum Parts Melt Gas Injection
2009/9/2
Porous metal materials are a new class of materials with low densities, large specific surface, and novel physical and mechanical properties. Their applications are extremely varied: for light weight ...
Laser Beam Welding of AA5052, AA5083, and AA6061 Aluminum Alloys
Laser Beam Welding AA5052 AA5083 AA6061 Aluminum Alloys
2009/9/2
The present investigation was mainly concerned with characteristics of autogeneous laser butt welding of 2 mm thickness nonheat treatable AA5052-H12, AA5083-H12 and 2 mm, 3 mm thickn...
Hardball-hardbat：A call for change from aluminum to wooden baseball bats in the NCAA
National Collegiate Athletic Association wooden baseball bats Hardball-hardbat
2009/9/1
Ever since hits and home runs increased significantly after a leading aluminum bat manufacturer introduced the ABlack Magic bat in 1985, a controversy has raged in the National Collegiate Athletic Ass...