منابع مشابه
On Liquid Metal Wetting of Casting Rings for DC Casting
During air–slip direct chill casting of aluminum alloys, uneven or low air pressure areas at the surface of the porous graphite ring mold, can cause the metal to stick to the graphite ring and produce traces along the billets called vertical drags (VD). To prevent this type of defect, it would be an advantage to decrease the wettability of the graphite ring. It has been shown that nanostructure...
متن کاملEvaluation of Casting Shrinkage and Liquid Metal Fluidity of IN-713C Alloy
This paper presents the results of measurements of liquid metal fluidity and linear shrinkage of nickel alloy IN-713C in vacuum induction melting furnace Balzers VSG-2. Because of limited volume of the furnace chamber special models for technological trials were designed and constructed to fit in the mould of dimensions 170x95x100mm. Two different designs of test models were proposed: horizonta...
متن کاملTayler instability in liquid metal columns and liquid metal batteries
In this paper we investigate the Tayler instability in an incompressible, viscous and resistive liquid metal column and in a model of a liquid metal battery (LMB). Detailed comparisons between theory and numerics, both in linear and nonlinear regimes, are performed. We identify the timescale that is well adapted to the quasi-static (QS) regime and find the range of Hartmann numbers where this a...
متن کاملCasting of SiC Reinforced Metal Matrix Composites
Composites based on two aluminium alloys (A536 and 6061) reinforced with 10% or 20% volume fraction of SiC particles were produced by gravity casting and a novel two-step mixing method was applied successfully to improve the wettability and distribution of the particles. The SiC particles were observed to be located predominantly in the interdendrit ic regions, and a thermal lag model is propos...
متن کاملNumerical Simulations of Metal onto Composites Casting
The technical community of today is making increasing demands on weight reduction mainly for energy savings, particularly in the automotive industry, but also for better product ergonomics, for instance in the power tools sector. A lightweight product is usually produced using lightweight materials, for instance by integrating composites components into classical metal structures. This approach...
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ژورنال
عنوان ژورنال: Metallurgical and Materials Transactions B
سال: 2009
ISSN: 1073-5615,1543-1916
DOI: 10.1007/s11663-009-9250-2