Skip to main content
×
×
Home

Magnetic Properties of E21-base Co3AlC and the Correlation with the Ordering of Carbon Atoms and Vacancies

  • Yoshisato Kimura (a1), Fu-Gao Wei (a2), Hideyuki Ohtsuka (a2) and Yoshinao Mishima (a1)
Abstract
ABSTRACT

Targeting to develop E21 Co3AlC based heat resistant alloys, phase stability of E21 Co3AlC and (Co, Ni)3AlC has been investigated together with the magnetic properties of E21’ Co3AlC0.5 which is formed by the extra ordering of carbon atoms accompanying anti-phase boundary (APB). The correlation of ferromagnetism with APB in E21’ Co3AlC0.5 was evaluated using single crystals by high-resolution transmission electron microscopy (HRTEM) and vibrating sample magnetometer. Anti-phase domain (APD) size affects the ferromagnetism: for instance, the saturation magnetization becomes larger as the APD size is smaller. Local atomic configuration at APB was clearly observed by HRTEM image.

Copyright
References
Hide All
1. Huetter L. J. and Stadelmaier H. H., Acta Metal. 6, 367 (1958).
2. Nowotny H., and Benesovsky F., Phase Stability in Metals and Alloys, eds. Rudman P. S. et al., McGraw Hill, New York, 319 (1967).
3. Stadelmaier H. H., Developments in the Structural Chemistry of Alloy Phases, ed. Giessen B. C., Plenum Press, New York, 141 (1969).
4. Hosoda H., Takahashi M., Suzuki T. and Mishima Y., High-Temperature Ordered Intermetallic Alloys V, MRS Symp Proc 288, 793 (1993).
5. Kimura Y., Takahashi M., Miura S., Suzuki T. and Mishima Y., Intermetallics 3, 413 (1995).
6. Kimura Y., Liu C.T. and Mishima Y., Intermetallics 9, 1069 (2001).
7. Wei F.-G., Hwang K.-Y. and Mishima Y., Intermetallics 9, 671 (2001).
8. Kimura Y., Iida K. and Mishima Y., Defect Properties and Related Phenomena in Intermetallic Alloys, MRS Symp Proc 753, 433 (2003).
9. Hosoda H., Miyazaki S. and Mishima Y., J. Phase Equilibria 22, 394 (2001).
10. Kimura Y., Sakai K. and Mishima Y., will be published in J. Phase Equilibria and Diffusion.
11. Villars P., Prince A. and Okamoto H., eds., Handbook of Ternary Alloy Phase Diagrams, vol. 3, ASM Intnl., Materials Park, 3052 (1995).
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

MRS Online Proceedings Library (OPL)
  • ISSN: -
  • EISSN: 1946-4274
  • URL: /core/journals/mrs-online-proceedings-library-archive
Please enter your name
Please enter a valid email address
Who would you like to send this to? *
×

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 3 *
Loading metrics...

Abstract views

Total abstract views: 41 *
Loading metrics...

* Views captured on Cambridge Core between September 2016 - 16th January 2018. This data will be updated every 24 hours.