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Titolo:
PHASE-EQUILIBRIA IN THE SYSTEMS TI-C-N, ZR-C-N AND HF-C-N
Autore:
BINDER S; LENGAUER W; ETTMAYER P; BAUER J; DEBUIGNE J; BOHN M;
Indirizzi:
VIENNA UNIV TECHNOL,INST CHEM TECHNOL INORGAN MAT,GETREIDEMARKT 9-161A-1060 VIENNA AUSTRIA VIENNA UNIV TECHNOL,INST CHEM TECHNOL INORGAN MAT A-1060 VIENNA AUSTRIA IFREMER,CTR BREST,CNRS,URA 1278 F-29280 PLOUZANE FRANCE INST NATL SCI APPL,CSIM,MET & PHYSICOCHIM MAT LAB,CNRS,URA 1495 F-35043 RENNES FRANCE
Titolo Testata:
Journal of alloys and compounds
fascicolo: 1, volume: 217, anno: 1995,
pagine: 128 - 136
SICI:
0925-8388(1995)217:1<128:PITSTZ>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIFFUSION COUPLES; CARBIDES;
Keywords:
PHASE EQUILIBRIA; ARE MELTING; HOT-PRESSED ALLOYS; HOMOGENEITY RANGE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
33
Recensione:
Indirizzi per estratti:
Citazione:
S. Binder et al., "PHASE-EQUILIBRIA IN THE SYSTEMS TI-C-N, ZR-C-N AND HF-C-N", Journal of alloys and compounds, 217(1), 1995, pp. 128-136

Abstract

The phase equilibria at 1150 degrees C in the solid regions of the systems Ti-C-N, Zr-C-N and Hf-C-N were investigated by means of are-melted as well as hot-pressed alloys which were analysed for nitrogen and carbon and investigated by X-ray diffraction, metallography and electron probe microanalysis. In the Ti-C-N system the delta-Ti(CxN1-x)(1-y)phase has a broader homogeneity range with respect to the ([C]+[N])/[Ti] ratio than do the f.c.c. boundary phases TiN1-y and TiC1-y. The subnitride phase zeta-Ti4N3-x does not perceptibly dissolve any carbon. In the Zr-C-N system the metal-rich phase boundary of the delta-Zr(CxN1-x)(1-y) phase follows a nearly straight line between ZrC1-x and ZrN1-x. Phase diagrams of the Ti-C-N and Zr-C-N systems are presented. Owing to the low diffusion rates of carbon and nitrogen and the resultinginhomogeneous samples, the Hf-C-N system could be delineated but not clarified with respect to the phase equilibria where the hafnium subnitride phases are involved. Similarly to the delta-Ti(CxN1-x)(1-y) phase, the delta-Hf(CxN1-x)(1-y) phase has a broader homogeneity range than HfC1-y and HfN1-y have.

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Documento generato il 13/08/20 alle ore 14:11:08