Fabrication and optical characterizations of hot-pressed transparent SrF2/Nd:SrF2/SrF2 composite ceramic

Liu, Zuodong; Dong, Pengyue; Yang, Yu; Wang, Qi‐Qi; Yu, Youming; Mei, Bingchu; Liu, Peng; Jing, Qiangshan

doi:10.1016/j.jeurceramsoc.2020.08.007

Cited by 13 publications

(1 citation statement)

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“…Numerous examples of functionally graded materials [40,41] or functional composites [42] were fabricated by sintering together multiple stacked powder layers, including examples of laminated transparent ceramic composites. [43,44] Therefore, using the same method, we produced such a Nd: YAG layered composite sample (Figure 4c). Moreover, we demonstrate that a layered configuration can be implemented in combination with the concentric composite design, resulting in Nd 3þ :YAG capped by YAG on the sides as well (Figure 4d).…”

Section: Resultsmentioning

confidence: 99%

Simplified Single‐Step Fabrication of Composite Transparent Ceramics

Ratzker,

Mottye,

Kalabukhov

et al. 2024

Adv Eng Mater

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Composite transparent ceramics offer various advantages over monolithic parts in many photonic applications. Typically, the formation of multicomponent composites requires elaborate processes that involve multiple steps of green body preparation and densification. This study presents a straightforward single‐step fabrication method for composite transparent ceramics using spark plasma sintering (SPS). The method utilizes customized compaction tools that enable specific powder arrangements within the graphite die, resulting in a configured green body can be directly densified. The versatile yet simple process was demonstrated for various composite designs, primarily comprising Nd3+:YAG and undoped YAG. The high transparency and precision of these composite ceramics render them suitable for prospective optical components such as high‐power lasers and phosphors. Overall, the proposed method applies to multicomponent functional ceramics and potentially any combination of sinterable materials with similar densification behavior and thermal expansion coefficients.This article is protected by copyright. All rights reserved.

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