Search found 211 matches

by CharMIC
Wed Jul 15, 2020 10:59 am
Forum: solid-solid phase transformations
Topic: Heat Treatment simulation of Ni-alloy
Replies: 33
Views: 11303

Re: Heat Treatment simulation of Ni-alloy

Hi Bernd,

Are there any recommendation for selecting maximum time step for phase-field solver for isothermal HT simulations

BR
Chamara
by CharMIC
Tue Jun 02, 2020 12:05 pm
Forum: solidification
Topic: Data for further nucleation
Replies: 64
Views: 18588

Re: Data for further nucleation

so if one wants to define nucleation sites that is at least have certain distance between them at the beginning of the simulation what should be the path to take.

what I want is to guarantee that all my nucleation points will have a certain distance (which I can define) to each other.
by CharMIC
Mon Jun 01, 2020 11:22 am
Forum: solidification
Topic: Data for further nucleation
Replies: 64
Views: 18588

Re: Data for further nucleation

Hi Bernd,

in the seed density model if I understood correctly, the seeds will be placed at the beginning of the simulation. so does this guarantee that we will get the distance between the placed seeds will be at least equal to the shield distance?

BR
Chamara
by CharMIC
Sun May 10, 2020 7:18 pm
Forum: solidification
Topic: Data for further nucleation
Replies: 64
Views: 18588

Re: Data for further nucleation

Ohh.. I have completely misunderstood the seed density model upto now. :) Now its clear.
by CharMIC
Sun May 10, 2020 1:07 pm
Forum: solidification
Topic: Data for further nucleation
Replies: 64
Views: 18588

Re: Data for further nucleation

Hi Bernd, so when you defined only one seed class with 1nm radius, then the seeds will be placed in the microstrucutre with that radius. if the ame seed class was defined with 10nm radius, then seeds with the size of 10nm will be placed. however since the concentration levels are not sufficient to f...
by CharMIC
Sun May 10, 2020 9:27 am
Forum: solidification
Topic: Data for further nucleation
Replies: 64
Views: 18588

Re: Data for further nucleation

Hi Bernd

Perhaps I was not clear.

for example if I have a seed class that has 1nm radius, how can I define a critical adius of 10nm for that seed class so that the undercooling is not so high.
by CharMIC
Fri May 08, 2020 4:04 pm
Forum: solidification
Topic: Data for further nucleation
Replies: 64
Views: 18588

Re: Data for further nucleation

Hi Bernd,

how can we defined a analytical curvature if you want to use seed_density model with 1 seed class with 1nm radius?

BR
Chamara
by CharMIC
Tue May 05, 2020 10:19 am
Forum: solidification
Topic: Data for further nucleation
Replies: 64
Views: 18588

Re: Data for further nucleation

Hi Bernd,

Can the analytical_curvature option be used with the interface nucleation? how does it work in this scenario?

BR
Chamara
by CharMIC
Sat Mar 14, 2020 4:23 pm
Forum: solid-solid phase transformations
Topic: Modification of chemical potential for elements at GB
Replies: 3
Views: 1422

Modification of chemical potential for elements at GB

Hi,

Is there a way to modify chemical potential of an element at a grain boundary in MICRESS?

BR
Chamara