Computer Simulation of Equiaxial Dendrite Solidification of Aluminum Alloy
نویسندگان
چکیده
منابع مشابه
Dendrite fragmentation in alloy solidification due to sidearm pinch-off.
Dendrite sidebranch detachment is an important fragmentation mechanism during the solidification of alloys. The detachment occurs at the junction between a sidearm and its parent stem. While this pinching process is driven by capillarity, the presence of solidification opposes the instability. Using a simple numerical model of a single sidearm, we are able to capture the essential dynamics of d...
متن کاملComputer Simulation of Directional Solidification of Binary Alloy Calculated under Personal Computer Platform
The objective of this paper is to demonstrate the ability of simulating thermal-solute double diffusivities problem, which is usually calculated via mini-supercomputer or supercomputer, by using typical personal computer (PC). The “plume” phenomena due to buoyant force of lighter liquid solute during solidification will be illustrated. The conduction, convection and macrosegregation predicted b...
متن کاملRheological behavior of a commercial AA5182 aluminum alloy during solidification
During casting of aluminum alloys, the partially solidified material is submitted to thermally induced strains that can lead to severe casting defects, such as hot tearing. In this work, carried out in the frame of the European project VIR[CAST], the rheological behavior of a partially solidified AA5182 aluminum alloy has been investigated in order to provide constitutive equations to predict h...
متن کاملStudy on Solidification Behavior of Aluminium alloy (LM6) Castings by using Computer aided Simulation software
Method layout of a casting is an important aspect of tooling development. It involves decisions regarding part orientation in mould, parting line, cores, cavity layout, feeders, neck and gating system. An improper method layout leads either poor quality or low yield, which affects the productivity. Method design is mostly carried out manually, using 2D drawing of the cast part. Then tooling is ...
متن کاملDSC analysis of Al6061 aluminum alloy powder by rapid solidification Effect of additives
Differential scanning calorimetry (DSC) is a powerful technique that measures the heat evolution from a sample under a controlled condition and studies the phase transformation, precipitation, and dissolution activities. In this work, we investigated the influence of admixed silicon and silicon carbide and the effect of different atmospheres on the heat flow properties and microstructure of ato...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Japan Institute of Metals and Materials
سال: 1990
ISSN: 0021-4876,1880-6880
DOI: 10.2320/jinstmet1952.54.7_816