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author：

Yang, Y. (Yang, Y..) [1] | Deng, Z. (Deng, Z..) [2] | Huang, Q. (Huang, Q..) [3] | Liu, Z. (Liu, Z..) [5] | Huang, J. (Huang, J..) [6] | Chen, J. (Chen, J..) [7] | Guo, W. (Guo, W..) [8]

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EI Scopus

Abstract：

In　this　study,　aluminum　isopropoxide　(AIP)　served　as　a　sintering　additive,　and　0–10　at%　AIP:YAG　transparent　ceramics　were　fabricated　through　vacuum　sintering　within　the　temperature　range　of　1650–1790　°C.　It　was　found　that　after　undergoing　calcination　at　800　°C,　AIP　transformed　into　a　nanoscale　γ-Al2O3　coating　layer　on　the　surface　of　the　precursor　particles　within　the　YAG　green　compacts.　This　γ-Al2O3　coating　layer　not　only　accelerated　the　phase　transformation　rate　of　YAG　but　also　boosted　the　densification　rate　of　YAG　ceramics　when　the　temperature　was　below　1700　°C.　Moreover,　AIP　was　ultimately　converted　into　α-Al2O3,　thereby　preventing　the　introduction　of　impurity　ions.　A　doping　concentration　of　1.0–1.5　at%　has　been　validated　as　an　optimal　range　for　AIP　in　YAG　ceramics.　The　in-line　transmittance　of　1.0–1.5　at%　AIP:YAG　ceramics　was　significantly　higher　than　that　of　0　at%　AIP:YAG　ceramic　at　1700　°C.　While　the　temperature　was　further　increased　to　1790　°C,　the　positive　effect　of　AIP　became　less　pronounced.　These　findings　indicate　that　AIP　holds　great　promise　as　a　sintering　activity　promoter　for　YAG　transparent　ceramics.　©　2025　Elsevier　Ltd　and　Techna　Group　S.r.l.

Keyword：

Aluminum isopropoxide Sintering aid Vacuum sintering YAG transparent ceramics

Community：

  • [ 1 ] [Yang Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 2 ] [Yang Y.]University of Chinese Academy of Sciences, Beijing, 100049, China
  • [ 3 ] [Deng Z.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 4 ] [Deng Z.]College of Chemistry, Fuzhou University, Fuzhou, 350002, China
  • [ 5 ] [Huang Q.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 6 ] [Huang Q.]University of Chinese Academy of Sciences, Beijing, 100049, China
  • [ 7 ] [Deng Z.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 8 ] [Deng Z.]University of Chinese Academy of Sciences, Beijing, 100049, China
  • [ 9 ] [Liu Z.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 10 ] [Liu Z.]University of Chinese Academy of Sciences, Beijing, 100049, China
  • [ 11 ] [Huang J.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 12 ] [Huang J.]University of Chinese Academy of Sciences, Beijing, 100049, China
  • [ 13 ] [Chen J.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 14 ] [Chen J.]University of Chinese Academy of Sciences, Beijing, 100049, China
  • [ 15 ] [Guo W.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
  • [ 16 ] [Guo W.]University of Chinese Academy of Sciences, Beijing, 100049, China

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Ceramics International

ISSN： 0272-8842

Year： 2025

5 . 1 0 0

JCR@2023

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