journal article·2020-01

Hot-pressing of Tellurite glass with a sacrificial pressure-transmitting medium

Daniel McGill, Justine Ben Ghozi-Bouvrande, Myungkoo Kang, Morgane Dolhen, Gaëlle Delaizir, Sebastien Chenu, Léna Roumiguier, Jean-René Duclère, Kathleen A. Richardson, Romain Gaume

Publisher page

Abstract

Abstract Glass powder of composition 70TeO2-20WO3-10La2O3 (mol%) was sintered to high density within a hot-press using a sacrificial powder as a pressure-transmitting medium. The potassium chloride (KCl) sacrificial power was found to minimize sample friction and adhesion to the die during pressing, facilitated the extraction of the densified sample from the die and was easily removable due to its water solubility. This fabrication process maximizes pressure transference to the green-body and enables sintered parts with optical quality comparable to those obtained by the melt-quench technique.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Glass properties and applications · Phase-change materials and chalcogenides · Advanced ceramic materials synthesis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (19)

Show source-provided references
1. Barbaras · 1969
2. Brennan · 1950
3. Googin · 1966
4. Lepp · 1951
5. Powder vehicle hot-pressing technique
6. Glasses of TeO2-WO3 and TeO2-Wo3-La2O3 systems for fiber optics
7. Tungsten–tellurite glass: a new candidate medium for Yb3+-doping10.1016/S0022-3093(99)00476-7 ↗
8. High-purity teo–wo–(La2O3, Bi2O3) glasses for fiber-optics10.1016/j.optmat.2011.03.032 ↗
9. Broadband~ 2μm emission in Tm3+/Ho3+ co-doped TeO2–WO3–La2O3 glass10.1016/j.ssc.2010.07.030 ↗
10. Spectral properties and thermal stability of erbium-doped TeO2-WO3-La2O3 glass
11. Production and properties of high purity TeO2− WO3−(La2O3, Bi2O3) and TeO2− ZnO− Na2O− Bi2O3 glasses10.1016/j.jnoncrysol.2011.01.022 ↗
12. Influence of hydroxyl group on IR transparency of tellurite-based glasses10.1111/ijag.12044 ↗
13. Elastic airtight container for the compaction of air-sensitive materials
14. Designing optical properties in infrared glass
15. A comprehensive study of the carbon contamination in tellurite glasses and glass‐ceramics sintered by spark plasma sintering (SPS)10.1111/jace.12657 ↗
16. Verres, vitrocéramiques et céramiques transparentes à base d'oxyde de tellure pour l'optique
17. Transparent surface and bulk crystallized glasses with lanthanide tellurite nanocrystals10.2109/jcersj.109.1269_466 ↗
18. Nucleation and growth behavior of tellurite-based glasses suitable for mid-infrared applications
19. Mid-IR (3–4 μm) fluorescence and ASE studies in Dy3+ doped tellurite and germanate glasses and a fs laser inscribed waveguide10.1088/1612-2011/10/8/085802 ↗