Asking for your suggestions for microstructure synthesis using DREAM3D

[mazia...@gmail.com]

Hello Mike,

I want to synthesize the microstructure of LPBF-ed Nickel alloy as I have attached its EBSD IPF picture to this message. I wanted to ask you if you have any suggestion on how to synthesize this texture in 2D by DREAM3d using some simplifications maybe. It has several elongated hatch-like vertical grains and also equiaxed-like grains among them.

Best,

Maziar Toursangsaraki

[Michael Jackson]

Dear Maziar, 

     DREAM.3D probably will not be able to generate a microstructure that is workable for a LPBF generated microstructure. This is an on-going area of research (as Tony alluded to below). The developers of DREAM.3D would be more than happy to be able to integrate any algorithms that are developed in the future.

—

Mike Jackson

On May 27, 2023 at 11:40:02, Anthony Rollett <anthony...@gmail.com> wrote:

The challenge that we encountered with such microstructures was in the overlapping nature of the pattern of grains growing into melt pools.  The grain shapes are accordingly very non-compact and so not much like anything that we thought of in the original construction or analysis methods (in dream3).  If you don’t get what you like from experimenting with the microstructures that you can construct in dream3d (e.g., inserting both compact and elongated grains), there is a fair amount of literature in this area.

Regards, Tony

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