![]() Uphill diffusion in an Fe-Si-C alloy This is an example to simulate uphill diffusion in a ternary single phase austenite matrix due to the classical Darken experiment published by L.S. This example is identical to a2a but instead it uses implicit time integration instead of the trapezoidal method for solving the PDEs. A Ni rich and a Ni lean alloy are put together and initially there is a step profile. In this example it is assumed there is initially a linear Ni-concentration profile. ![]() Thermo-Calc Software AB Råsundavägen 18, SE Solna, Sweden exa1 One-phase problem. The software may be used or copied only in accordance with the terms of those agreements. The software described in this document is furnished under a license agreement or nondisclosure agreement. Information in this document is subject to change without notice. 1 Diffusion Module (DICTRA) Example Macros Thermo-Calc Version 2020bĢ Copyright 2020 Thermo-Calc Software AB.
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