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Titolo:
PHASE-FORMATION IN SIC METAL JOINTS AT HIGH-TEMPERATURES/
Autore:
NAKA M; FENG JC; SCHUSTER JC;
Indirizzi:
OSAKA UNIV,WELDING RES INST,11-1 MIHOGAOKA IBARAKI OSAKA 567 JAPAN UNIV VIENNA,INST PHYS CHEM A-1090 VIENNA AUSTRIA
Titolo Testata:
Materials transactions, JIM
fascicolo: 3, volume: 37, anno: 1996,
pagine: 394 - 398
SICI:
0916-1821(1996)37:3<394:PISMJA>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
MATRIX COMPOSITES; TITANIUM;
Keywords:
CERAMIC-METAL JOINING; INTERFACIAL STRUCTURE; CERAMIC; METAL; DIFFUSION; SIC; TI; NB;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
8
Recensione:
Indirizzi per estratti:
Citazione:
M. Naka et al., "PHASE-FORMATION IN SIC METAL JOINTS AT HIGH-TEMPERATURES/", Materials transactions, JIM, 37(3), 1996, pp. 394-398

Abstract

Joining of SiC to SiC was performed using Ti and Nb foils at temperatures ranging from 1373 K to 1790 K in vacuum. The change in microstructures of the SiC/Ti and SiC/Nb interfaces war investigated in detail at 1673 K and 1790 K, respectively. At a bonding time of 0.3 k, TiC at the Ti side and a mixture of Ti5Si3Cx+TiC at the SiC side were formed. Furthemore, a Ti5Si3Cx layer phase appeared between SiC and mixture of Ti5Si3Cx+TiC, upon the formation of Ti3SiC2 after the bonding time of 3.6 ks, the diffusion path was observed as follows. beta-Ti/Ti+TiC/TiC +Ti5Si3Cx/Ti5Si3Cx/Ti3SiC2/SiC. At 1790 K, the diffusion path between SiC and Nb was established as Nb/Nb2C/NbC/Nb5Si3C/NbC/SiC, and the NbSi2 phase appeared at the interface between NbC adjacent to SiC and Nb5Si3C at the longer time of 72 ks.

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Documento generato il 27/11/20 alle ore 02:17:51