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Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system

A complete subsolidus ternary phase diagram of the Bi2O3-CuO-Nb2O5 (BCN) system was constructed. Careful firing control and phase analysis were applied to determine the phase assemblages and compatibilities over a wide range of temperatures, i.e. 700–925 °C. Phase-pure BCN pyrochlores were found to...

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Main Authors: Tan, Kar Ban, Chon, Mun Ping, Khaw, Chwin Chieh, Zainal, Zulkarnain, Yap, Taufiq Yun Hin, Chen, Soo Kien, Tan, Phei Yi
Format: Article
Language:English
Published: Elsevier 2017
Online Access:http://psasir.upm.edu.my/id/eprint/13456/1/Phase%20equilibria%20in%20the%20Bi2O3-CuO-Nb2O5%20ternary%20system.pdf
http://psasir.upm.edu.my/id/eprint/13456/
https://www.sciencedirect.com/science/article/pii/S0272884216324142#!
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spelling my.upm.eprints.134562018-06-11T08:33:26Z http://psasir.upm.edu.my/id/eprint/13456/ Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system Tan, Kar Ban Chon, Mun Ping Khaw, Chwin Chieh Zainal, Zulkarnain Yap, Taufiq Yun Hin Chen, Soo Kien Tan, Phei Yi A complete subsolidus ternary phase diagram of the Bi2O3-CuO-Nb2O5 (BCN) system was constructed. Careful firing control and phase analysis were applied to determine the phase assemblages and compatibilities over a wide range of temperatures, i.e. 700–925 °C. Phase-pure BCN pyrochlores were found to crystallise in cubic symmetry, space group Fd3m, No. 227 with lattice constants in the range of 10.4855 (5)<x<10.5321 (3). The mechanism of this limited subsolidus series could be represented by a general formula, Bi3.08−xCu1.84+2x/9Nb3.08+7x/9O14.16+6x/9 (0≤x≤0.36) wherein the reduction in Bi content was compensated by a proportion amount of copper and niobium together with non-stoichiometry in oxygen. Elsevier 2017 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/13456/1/Phase%20equilibria%20in%20the%20Bi2O3-CuO-Nb2O5%20ternary%20system.pdf Tan, Kar Ban and Chon, Mun Ping and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin and Chen, Soo Kien and Tan, Phei Yi (2017) Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system. Ceramics International, 43 (6). pp. 4930-4936. ISSN 0272-8842; ESSN: 1873-3956 https://www.sciencedirect.com/science/article/pii/S0272884216324142#! 10.1016/j.ceramint.2016.12.147
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A complete subsolidus ternary phase diagram of the Bi2O3-CuO-Nb2O5 (BCN) system was constructed. Careful firing control and phase analysis were applied to determine the phase assemblages and compatibilities over a wide range of temperatures, i.e. 700–925 °C. Phase-pure BCN pyrochlores were found to crystallise in cubic symmetry, space group Fd3m, No. 227 with lattice constants in the range of 10.4855 (5)<x<10.5321 (3). The mechanism of this limited subsolidus series could be represented by a general formula, Bi3.08−xCu1.84+2x/9Nb3.08+7x/9O14.16+6x/9 (0≤x≤0.36) wherein the reduction in Bi content was compensated by a proportion amount of copper and niobium together with non-stoichiometry in oxygen.
format Article
author Tan, Kar Ban
Chon, Mun Ping
Khaw, Chwin Chieh
Zainal, Zulkarnain
Yap, Taufiq Yun Hin
Chen, Soo Kien
Tan, Phei Yi
spellingShingle Tan, Kar Ban
Chon, Mun Ping
Khaw, Chwin Chieh
Zainal, Zulkarnain
Yap, Taufiq Yun Hin
Chen, Soo Kien
Tan, Phei Yi
Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system
author_facet Tan, Kar Ban
Chon, Mun Ping
Khaw, Chwin Chieh
Zainal, Zulkarnain
Yap, Taufiq Yun Hin
Chen, Soo Kien
Tan, Phei Yi
author_sort Tan, Kar Ban
title Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system
title_short Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system
title_full Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system
title_fullStr Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system
title_full_unstemmed Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system
title_sort phase equilibria in the bi2o3-cuo-nb2o5 ternary system
publisher Elsevier
publishDate 2017
url http://psasir.upm.edu.my/id/eprint/13456/1/Phase%20equilibria%20in%20the%20Bi2O3-CuO-Nb2O5%20ternary%20system.pdf
http://psasir.upm.edu.my/id/eprint/13456/
https://www.sciencedirect.com/science/article/pii/S0272884216324142#!
_version_ 1643825336869191680
score 13.160551

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