U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PUBLICATIONS

Diffusion in FCC Co-Al-W Alloys at 900 degree C and 1000 degree C

Published

Author(s)

Kil-Won Moon, Carelyn E. Campbell, Maureen E. Williams, William J. Boettinger

Abstract

Diffusion couple experiments between various Co-rich face centered cubic alloys in the Co-W-Al ternary system have been conducted at 900 degree C and 1000 degree C. Diffusion coefficients have been extracted for the Co-W binary and for ternary alloys at compositions where the diffusion paths cross. In addition, a least squares method has been utilized to optimize diffusion mobility parameters using DICTRA simulations to the best fit the experimental concentration vs. distance curves. Predictions of the diffusion matrix using the refined mobility database are in good agreement with the values obtained at the diffusion path crossing points.
Citation
Journal of Phase Equilibria and Diffusion
Pub Type
Journals

Keywords

Co-W-Al ternary system, diffusivity, Sauer-Fries method, DICTRA, mobility database optimization, experiment data error reduction
Materials

Citation

Moon, K. , Campbell, C. , Williams, M. and Boettinger, W. (2016), Diffusion in FCC Co-Al-W Alloys at 900 degree C and 1000 degree C, Journal of Phase Equilibria and Diffusion (Accessed October 31, 2024)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created August 17, 2016, Updated March 17, 2017