Cambridge, MA, USA
June 25-30, 2023

50th International Conference on
Computer Coupling of Phase Diagrams and Thermochemistry


June 25 - 30, 2023

Cambridge, MA, USA


Celebration of 50th CALPHAD conference

Celebration of the homecoming of CALPHAD conference in MIT in memory of Larry Kaufman

We are pleased to announce that the 50th CALPHAD Conference will take place in Cambridge (Boston), MA, USA, from Sunday June 25th to Friday June 30th 2023.

Due to higher than expected registrations received, we have to close the registration window. Sorry for the inconvenience.


Prof. Yu (Michael) Zhong 
(Worcester Polytechnic Institute) 

Prof. Wei Xiong
(University of Pittsburgh)

Abstract submission >>


Organizing committee

Prof. Gregory B. Olson

Prof. Raymundo Arroyave
(Texas A&M University)

Prof. Scott McCormack
(University of California, Davis)

Dr. Richard Otis
(Jet Propulsion Laboratory)

Scholarship Application >>



Meeting @ Tang Center (MIT)                                                                                                      
Lodging @ Boston Marriott Cambridge



Scientific program

Click here to download scientific program in .pdf format.

Registration fees (in USD) 

Registration Item Early Fee
Valid until March 31, 2023 at 11:59PM EDT
Regular Fee
Valid beginning April 1, 2023 at 12:00AM EDT
General Participant 
(Private Occupancy Room)
$2,200 $2,640

General Participant
(Shared Double-Occupancy Room, 1 of 2 beds)

$1,800 $2,160
 General Participant 
(No Hotel)
$1,500   $1,800
(Shared Double-Occupancy Room, 1 of 2 beds)
$1,500 $1,800
(No Hotel) 
$1,200   $1,440
Accompanying Person
Social Package
$300 $360

(Optional add-on item)

Complimentary Complimentary


The conference topics include, but are not limited to

  • Ab-initio (first-principles) Predictions
  • Thermodynamic Modeling
  • CALPHAD Assessments and Database Development
  • Modeling of Diffusion and Phase Transformations
  • Software Development
  • Experimental Phase Equilibria, Thermodynamics and Kinetics
  • CALPHAD Applications in Materials Design, Production, Use, Recycling, Disposal, ...
  • CALPHAD Applications in industrial processes (energy production, joining and soldering, ...)
  • CALPHAD Applications in Chemistry, Physics, Geology, Biology, ...

According to the CALPHAD tradition, there will be single oral sessions, permanent poster presentations, software demonstrations, time for spontaneous discussions, ...and social activities.


September 10, 2022

First announcement

October 1, 2022

Second announcement

January 11, 2023

Third announcement

March 1, 2023

Deadline for Larry Kaufman Scholarship Application

March 31, 2023

Last day for abstract submission

March 31, 2023

Last day for early registration

May 10, 2023

Last day to register (no on-site registration will be available)
The registration is full.

May 20, 2023

Last day to cancel the registration.


Cancellations may be made online until May 20, 2023 at 11:59PM EDT. To cancel after that date, please email

Refunds for conference cancellations received in writing by May 20, 2023 at 11:59PM EDT will be granted less a $300 processing fee for conference registrations. No refunds will be granted after May 20. No refunds will be granted for accompanying persons. No refunds will be given for portions of the registration not being used. All refunds will be made in US dollars and processed in the manner in which the original payment was submitted, with the possible exception of wire payments which, at the organizers’ discretion, may be refunded via check. Credit card refunds will be issued to the card that was used to make the payment.

Individuals are solely responsible for making and cancelling their own travel reservations. Please remember that cancelling or changing your conference registration will not automatically cancel or change any travel arrangements you may have made. MIT takes no responsibility for any damages, costs, or losses, should you cancel or change your conference registration, or should CALPHAD 2023 be cancelled, regardless of the reason for cancellation.


You can download the program as a .pdf file by clicking on the image below. The file will be regularly updated, please, check for the updated version.

Download the detailed program of CALPHAD L.


Third announcement

Download the Third announcement for CALPHAD 2023.

Second announcement

Download the CALPHAD 50 Second announcement in .pdf form.

First announcement

Download the Third announcement for CALPHAD 2023.

CALPHAD is Sponsor of CALPHAD 50.
CHIMAD is Sponsor of CALPHAD 50.
Pratt & Whitney is Sponsor of CALPHAD 50.
NIST is Sponsor of CALPHAD 50.
Thermo-Calc Software is Sponsor of CALPHAD 50.
THERMFACT is Sponsor of CALPHAD 50.
Stiftelsen för Tillämpad Termodynamik, STT, is Sponsor of CALPHAD 50.
FactSage is Sponsor of CALPHAD 50.
PANDAT Software is Sponsor of CALPHAD 50.
micress is Sponsor of CALPHAD 50.
GTT Technologies is Sponsor of CALPHAD 50.