Floating Bubbles Out of Molten Glass
21 Aug 2019 | | Contributor(s):: Adam Powell
Balance drag and buoyancy forces to determine the size of the largest bubble remaining in a container of molten glass after a certain amount of time.
Nitriding of an Iron Thin Film
19 Aug 2019 | | Contributor(s):: Adam Powell
Calculate nitrogen concentration profile during diffusion into a finite thin film of iron using error function and Fourier series solutions.
During iron oxidation, calculate the oxide layer thickness over time, and compare to the case with 1% titanium added.
Radiation in Electrostatic Levitation
15 Aug 2019 | | Contributor(s):: Adam Powell
Calculate total power radiated between square plates and a levitated spherical droplet, and discuss heat conduction mechanisms in the droplet.
Multicomponent Evaporation I: Evaporation of Volatile Impurities During Electron Beam Melting
14 Aug 2019 | | Contributor(s):: Adam Powell
Calculate conversion efficiency for electron beam melting for removal of lead, cadmium and zinc impurities from titanium.
Multicomponent Evaporation II: Evaporation of Alloying Elements from Titanium
Evaluate effects of differential evaporation of titanium and its alloying elements aluminum and vanadium on electron beam melting and evaporation processes.
Decarburization of Solid Low-Carbon Steel
01 Aug 2019 | | Contributor(s):: Adam Powell
Calculate carbon concentration profile vs. time in low-carbon steel sheet in a decarburizing atmosphere at high Biot number.
Application of Integral Analysis to Semi-infinite Diffusion Couple
01 Aug 2019 | | Contributor(s):: Matthew John M. Krane
Apply integral analysis to semi-infinite diffusion couple.
Continuous Casting Hydrostatics
28 May 2019 | | Contributor(s):: Matthew John M. Krane
A mixture of hydrostatics and the modified Bernoulli equation are used to determine the effect of fluid height in a tundish on the flow rate supplying liquid steel to a continuous casting mold.
Freezing by Radiation and Convection
16 May 2019 | | Contributor(s):: Adam Powell
Use radiation and a heat transfer coefficient to estimate the initial rate of solidification of the solid shell at the top of a casting while the temperature in the shell can be considered uniform, then set up the equation for mixed conduction/convection-radiation limited cooling.
Heat Conduction and Diffusion in Alloy Casting
Derive temperature and liquid concentration profiles during die casting of a roughly plate-shaped alloy part.
Electron Beam Centrifugal Atomization of Metal
Use a heat balance to calculate electron beam power required to continuously heat and melt metal as it is atomized, including heat losses from the top surface due to evaporation and radiation.
Radiative Cooling of an Aluminum Cube
09 Apr 2019 | | Contributor(s):: Adam Powell
Show that radiative cooling of an aluminum cube is Newtonian (uniform temperature), and calculate time required to cool through a certain temperature range by radiation alone.
Bottom Filled Mold
07 Apr 2019 | | Contributor(s):: Matthew John M. Krane
Calculation of mold filling times, with and without a constant height of metal in a riser. Problem uses modified Bernoulli equation for the mechanical energy balance and the students are asked to determine which resistances are significant.
Cast-a-Box: Casting Conditions and Macroporosity
07 Apr 2019 | | Contributor(s):: Adam Powell
An illustration of three-dimensional finite difference simulation of heat conduction with phase change and complex boundary conditions, this requires students to adjust boundary conditions to make the top surface of a regular hexahedral "casting" to freeze last, eliminating...
Argon Quenching of Ni-based Alloy Cylindrical Bars
20 Mar 2019 | | Contributor(s):: Matthew John M. Krane
Calculate radiation viewfactors and power transferred between various parts of an zirconia physical vapor deposition chamber.
MSEN 201 Lecture 4.1: Crystal Structures of Metals - Atomic Densities and Packing Factors
13 Feb 2019 | | Contributor(s):: Patrick J Shamberger
Solidification Simulation of Pure Metal in Semi-Infinite Mold
12 Feb 2019 | | Contributor(s):: Michael S Titus, Justin Cooper, Dongsheng Wen
Simulate the solidification of various pure metals in various mold materials. Adjust mold and metal properties.
Melting via molecular dynamics simulations
10 Mar 2015 | | Contributor(s):: Alejandro Strachan
In this assignment you will use MD simulations to study melting in metals using the nanoMATERIALS simulation tool in nanoHUB. You will build a supercell and heat it up to study its melting. You can visualize the atomic configuration as the temperature is increased and after melting. From the...