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The effect of growth rate on the structure of primary and secondary dendrites of single crystal of Ni based superalloy

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1998
Authors
Nikolić, SN
Valčić, Andreja
Radojević, Vesna
Conference object (Published version)
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Abstract
So far, in our work aimed at obtaining single crystals of a Ni based superalloy, we have investigated the possibilities of obtaining single crystals using different methods as well as the influence of growth conditions, seed structure and abrupt changes in the growth rate (from lower to higher and from higher to lower) on the structure of the obtained single crystals. Using our experimental data, we have made an attempt to show whether there is a dependence between the growth rate (R), temperature gradient (G) and the distance between the primary dendrites (lambda(1)) of the following type lambda(1)=A.G(-m).R-n, and to establish the value of n. We have commenced a research on the influence of the growth rate, and its change during the experiment, on the distance between the secondary dendrites (lambda(2)) and their shape and size.
Keywords:
crystal growth / solidification / dendritic growth
Source:
Advanced Materials and Processes: Yucomat II, 1998, 282-2, 331-336
Publisher:
  • Trans Tech Publications Ltd, Durnten-Zurich

DOI: 10.4028/www.scientific.net/MSF.282-283.331

ISSN: 0255-5476

WoS: 000075079900046

Scopus: 2-s2.0-11744335178
[ Google Scholar ]
1
2
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/190
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - CONF
AU  - Nikolić, SN
AU  - Valčić, Andreja
AU  - Radojević, Vesna
PY  - 1998
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/190
AB  - So far, in our work aimed at obtaining single crystals of a Ni based superalloy, we have investigated the possibilities of obtaining single crystals using different methods as well as the influence of growth conditions, seed structure and abrupt changes in the growth rate (from lower to higher and from higher to lower) on the structure of the obtained single crystals. Using our experimental data, we have made an attempt to show whether there is a dependence between the growth rate (R), temperature gradient (G) and the distance between the primary dendrites (lambda(1)) of the following type lambda(1)=A.G(-m).R-n, and to establish the value of n. We have commenced a research on the influence of the growth rate, and its change during the experiment, on the distance between the secondary dendrites (lambda(2)) and their shape and size.
PB  - Trans Tech Publications Ltd, Durnten-Zurich
C3  - Advanced Materials and Processes: Yucomat II
T1  - The effect of growth rate on the structure of primary and secondary dendrites of single crystal of Ni based superalloy
EP  - 336
SP  - 331
VL  - 282-2
DO  - 10.4028/www.scientific.net/MSF.282-283.331
UR  - conv_1897
ER  - 
@conference{
author = "Nikolić, SN and Valčić, Andreja and Radojević, Vesna",
year = "1998",
abstract = "So far, in our work aimed at obtaining single crystals of a Ni based superalloy, we have investigated the possibilities of obtaining single crystals using different methods as well as the influence of growth conditions, seed structure and abrupt changes in the growth rate (from lower to higher and from higher to lower) on the structure of the obtained single crystals. Using our experimental data, we have made an attempt to show whether there is a dependence between the growth rate (R), temperature gradient (G) and the distance between the primary dendrites (lambda(1)) of the following type lambda(1)=A.G(-m).R-n, and to establish the value of n. We have commenced a research on the influence of the growth rate, and its change during the experiment, on the distance between the secondary dendrites (lambda(2)) and their shape and size.",
publisher = "Trans Tech Publications Ltd, Durnten-Zurich",
journal = "Advanced Materials and Processes: Yucomat II",
title = "The effect of growth rate on the structure of primary and secondary dendrites of single crystal of Ni based superalloy",
pages = "336-331",
volume = "282-2",
doi = "10.4028/www.scientific.net/MSF.282-283.331",
url = "conv_1897"
}
Nikolić, S., Valčić, A.,& Radojević, V.. (1998). The effect of growth rate on the structure of primary and secondary dendrites of single crystal of Ni based superalloy. in Advanced Materials and Processes: Yucomat II
Trans Tech Publications Ltd, Durnten-Zurich., 282-2, 331-336.
https://doi.org/10.4028/www.scientific.net/MSF.282-283.331
conv_1897
Nikolić S, Valčić A, Radojević V. The effect of growth rate on the structure of primary and secondary dendrites of single crystal of Ni based superalloy. in Advanced Materials and Processes: Yucomat II. 1998;282-2:331-336.
doi:10.4028/www.scientific.net/MSF.282-283.331
conv_1897 .
Nikolić, SN, Valčić, Andreja, Radojević, Vesna, "The effect of growth rate on the structure of primary and secondary dendrites of single crystal of Ni based superalloy" in Advanced Materials and Processes: Yucomat II, 282-2 (1998):331-336,
https://doi.org/10.4028/www.scientific.net/MSF.282-283.331 .,
conv_1897 .

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