TY - JOUR
T1 - Theoretical approach to the study of the stability of metal matrix composite interfaces
AU - Dorfman, Simon
AU - Fuks, David
N1 - Funding Information:
We would like to thank Prof. P. Wyder for his constant interest in our work. We highly appreciate the support of this research by the special program 'Arc en ciel/Keshet' of the Ministry of Foreign Affairs of France and Israel Ministry of Science and Arts. The additional support of the Haifa-University-Technion foundation, the Israel Ministry of Science and Arts through the Grants No. 3616 and No. 4868 and of the special program of the Israel Ministry of Absorption is also indebted. One of us (D.F.) is grateful to the Rashi Foundation for the Guastalla fellowship. Some numerical work was done at the Florida State Center.
PY - 1995/1/1
Y1 - 1995/1/1
N2 - The problem of stability of interfaces in metal matrix composites is reduced to the investigation of the solubility and diffusion processes of fiber atoms in the metal matrix. The calculations of excess thermodynamic functions of interstitial solid solutions is performed. The influence of additives on the stability of intermetallic phases formed at the interfaces is discussed. The height of diffusion barriers for aluminium and copper matrix composite materials with carbon or boron fibers is calculated. It is shown that the alloying of the matrix by additional element, substituting aluminium or copper in the interstitial metal-metalloid solid solution, changes the value of the barrier and influence the diffusion of metalloid. Some additives as the best alloying elements for preventing the diffusion in the alloys studied are predicted.
AB - The problem of stability of interfaces in metal matrix composites is reduced to the investigation of the solubility and diffusion processes of fiber atoms in the metal matrix. The calculations of excess thermodynamic functions of interstitial solid solutions is performed. The influence of additives on the stability of intermetallic phases formed at the interfaces is discussed. The height of diffusion barriers for aluminium and copper matrix composite materials with carbon or boron fibers is calculated. It is shown that the alloying of the matrix by additional element, substituting aluminium or copper in the interstitial metal-metalloid solid solution, changes the value of the barrier and influence the diffusion of metalloid. Some additives as the best alloying elements for preventing the diffusion in the alloys studied are predicted.
KW - Metal matrix composites
KW - composite interfaces
KW - excess thermodynamic functions
KW - interstitial solid solutions
UR - https://www.scopus.com/pages/publications/0029717812
U2 - 10.1163/156855496X00083
DO - 10.1163/156855496X00083
M3 - Article
AN - SCOPUS:0029717812
SN - 0927-6440
VL - 3
SP - 431
EP - 449
JO - Composite Interfaces
JF - Composite Interfaces
IS - 5-6
ER -