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Author:

Ji, LF (Ji, LF.) (Scholars:季凌飞) | Jiang, YJ (Jiang, YJ.) (Scholars:蒋毅坚)

Indexed by:

EI Scopus SCIE

Abstract:

Transparent tantalum-pentoxide (Ta2O5) ceramics with high density (> 97%) were prepared from commercial powder by laser sintering without addition of additives at ambient pressure. The ceramic pellet sintered at power density of 5.2 kW/cm(2) for 30 s, then cooling for 60 s exhibits the best transparency. The transmittance of the sample of 0.5 mm thick is up to 35% during the wavelength range from 270 to 3000 nm. The achievement of the transparency is attributed to the grains preferred growth resulting in elongation of grain boundaries, pure phase and low porosity due to the strictly heating directivity and the mass transfer in liquid phase during laser sintering. (c) 2005 Elsevier B.V. All rights reserved.

Keyword:

transparent ceramic laser sintering tantalum-pentoxide (Ta2O5)

Author Community:

  • [ 1 ] Beijing Univ Technol, Natl Ctr Laser Technol, Beijing 100022, Peoples R China

Reprint Author's Address:

  • 蒋毅坚

    [Jiang, YJ]Beijing Univ Technol, Natl Ctr Laser Technol, Beijing 100022, Peoples R China

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Source :

MATERIALS LETTERS

ISSN: 0167-577X

Year: 2006

Issue: 12

Volume: 60

Page: 1502-1504

3 . 0 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 9

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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