journal article·2018-02

Isobam assisted slurry optimization and gelcasting of transparent YAG ceramics

Qing Yao, Le Zhang, Zhigang Jiang, Guocan Huang, Tianyuan Zhou, Yue Ben, Shuai Wei, Rong Sun, Hao Chen, Yun Wang

Ceramics International· Volume 44· Issue 2
Publisher page

Abstract

Abstract Gelcasting is a simple near-net shaping method to fabricate large-sized and/or complicated-structural ceramics. In this paper, a transparent yttrium alumina garnet (YAG) ceramic was successfully fabricated by gelcasting with a nontoxic, water soluble copolymer (isobutylene and maleic anhydride, Isobam) as both dispersant and gelling agent. The rheological behaviors of the slurries with different solids loading and Isobam contents were systematically investigated. The optimized slurry of 0.5 wt% Isobam and the solid loading of 68 wt% had the low viscosity and high stability, resulting in better homogeneity of the green body and better optical quality of transparent ceramics. A nearly pore-free structure of the sintered YAG ceramics with average grain size about 10.0 µm was obtained possessing an in-line transmittance of 75.7% at the wavelength of 1064 nm for a sample 2.5 mm thick.
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Research context

OpenAlex topics: Advanced ceramic materials synthesis · Glass properties and applications · Fluid Dynamics and Heat Transfer

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

References (34)

Show source-provided references
1. Ceramic laser materials10.1038/nphoton.2008.243 ↗
2. Fabrication and optical-properties of high-performance polycrystalline Nd-Yag ceramics for solid-state lasers10.1111/j.1151-2916.1995.tb08433.x ↗
3. Effects of sintering aids on the transparency and conversion efficiency of Cr4+ ions in Cr: YAG transparent ceramics10.1111/jace.13616 ↗
4. Fabrication of polycrystalline, transparent yag ceramics by a solid-state reaction method10.1111/j.1151-2916.1995.tb08389.x ↗
5. Solid-state source of intense yellow light based on a Ce:YAG luminescent concentrator10.1364/OE.25.013714 ↗
6. Gelcasting of transparent YAG ceramics by a new gelling system10.1016/j.ceramint.2014.04.125 ↗
7. Room-temperature electron spin dynamics of Ce3+ ions in a YAG crystal10.1063/1.4984232 ↗
8. Structural-phase state and lasing of 5–15at% Yb3+:Y3Al5O12 optical ceramics10.1016/j.jeurceramsoc.2017.05.023 ↗
9. Post-treatment of nanopowders-derived Nd:YAG transparent ceramics by hot isostatic pressing10.1016/j.ceramint.2017.05.015 ↗
10. Improved conversion efficiency of Cr4+ ions in Cr: YAG transparent ceramics by optimization the particle sizes of sintering aids10.1016/j.optmat.2015.07.037 ↗
11. Alumina assisted grain refinement and physical performance enhancement of yttria transparent ceramics by two-step sintering10.1016/j.msea.2016.12.093 ↗
12. Gelcasting and reactive sintering of sheet-like YAG transparent ceramics10.1016/j.jallcom.2015.08.212 ↗
13. Development of low-toxicity gelcasting systems10.1111/j.1151-2916.1998.tb02377.x ↗
14. 2-carboxyethyl acrylate as a new monomer preventing negative effect of oxygen inhibition in gelcasting of alumina10.1016/j.ceramint.2016.05.166 ↗
15. Gelcasting: from laboratory development toward industrial production10.1016/S0955-2219(96)00147-1 ↗
16. Recent developments in gelcasting of ceramics10.1016/j.jeurceramsoc.2010.12.035 ↗
17. Gelcasting of Yb3Al5O12 using a nontoxic water-soluble copolymer as both dispersant and gelling agent10.1016/j.ceramint.2015.08.126 ↗
18. Near-net-shaping methods for ceramic elements of (Body) armor systems10.1111/jace.13192 ↗
19. Effect of porosity on structure, Young's Modulus, and thermal conductivity of sic foams by direct foaming and gelcasting10.1111/jace.14544 ↗
20. Gelcasting of alumina foams consolidated by epoxy resin10.1016/j.jeurceramsoc.2007.06.006 ↗
21. Foam-gelcasting preparation, microstructure and thermal insulation performance of porous diatomite ceramics with hierarchical pore structures10.1016/j.jeurceramsoc.2017.02.032 ↗
22. Gelcasting and pressureless sintering of silicon carbide ceramics using Al2O3–Y2O3 as the sintering additives10.1016/j.jeurceramsoc.2013.02.009 ↗
23. Gelcasting of SiC using epoxy resin as gel former10.1016/j.ceramint.2008.07.008 ↗
24. Defect strategies for an improved optical quality of transparent ceramics10.1016/j.optmat.2014.09.030 ↗
25. Aqueous gelcasting of fused silica using colloidal silica binder10.1111/jace.12448 ↗
26. Fabrication of zirconium-pillared montmorillonite porous ceramic as adsorbents for Cr3+ removal and recycling10.1016/j.ceramint.2016.06.130 ↗
27. Gelcasting of alumina suspension using gellan gum as gelling agent10.1016/j.ceramint.2013.11.010 ↗
28. Effect of monomers content in enhancing solid-state densification of silicon carbide ceramics by aqueous gelcasting and pressureless sintering10.1016/j.ceramint.2016.12.117 ↗
29. A modified gelcasting approach to fabricate microscale randomized 1–3 piezoelectric arrays10.1016/j.ceramint.2016.09.123 ↗
30. A novel gelcasting of alumina suspension using curdlan gelation10.1016/j.ceramint.2015.04.144 ↗
31. Microstructure and properties of transparent MgAl2O4 ceramic fabricated by aqueous gelcasting10.1016/j.jallcom.2015.10.113 ↗
32. Aqueous latex/ceramic nanoparticle dispersions: colloidal stability and coating properties10.1016/j.jcis.2004.08.014 ↗
33. Room-temperature gelcasting of alumina with a water-soluble copolymer10.1557/jmr.2013.132 ↗
34. Al2O3–mullite–SiC–Al4SiC4 multi-composition coating for carbon/carbon composites10.1016/j.matlet.2004.03.046 ↗