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Part II: Phase transformation-induced bloating behavior in diopside glass-ceramics for microwave dielectrics
Chou C.C.3; Feng K.C.2; Raevski I.P.4; Chu L.W.1; Chen H.5; Chen P.-Y.2; Chen C.-S.7; Lee H.W.2; Tu C.-S.6
2017-12-01
Source PublicationMaterials Research Bulletin
ISSN00255408
Volume96Pages:71-75
AbstractPhase transformation and bloating behavior of CaMgSi O glass-ceramics with ZrO nucleating agent using two-stage heat treatments were investigated as functions of annealing temperature. The specimens annealed below critical nucleation temperature (T ) and sintered at 950 °C exhibit significant bloating phenomena. Kinetic study of CaO-MgO-SiO -ZrO (CMSZ) glasses annealed below T reveals high activation energy of crystallization for the ZrO nucleation, and XRD refinement results show the least ZrO contents. The formations of fleeing oxygen and bloating are likely associated with high energy barrier of ZrO phase and zirconia dissolution in the CMSZ glass. Specimens annealed above the T and sintered at 950 °C show significant reduction of activation energy of ZrO and enhanced densities. This work demonstrates that the bloating behavior of diopside glass-ceramics is attributed to the activation energy of nucleating agents.
KeywordActivation energy Diopside Glass-ceramics Nucleating agent
DOI10.1016/j.materresbull.2017.01.041
URLView the original
Language英語
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Walsin Technology Corporation
2.Mingchi Institute of Technology
3.National Taiwan University of Science and Technology
4.Southern Federal University
5.Universidade de Macau
6.Fu Jen Catholic University
7.Hwa Hsia University of Technology
Recommended Citation
GB/T 7714
Chou C.C.,Feng K.C.,Raevski I.P.,et al. Part II: Phase transformation-induced bloating behavior in diopside glass-ceramics for microwave dielectrics[J]. Materials Research Bulletin,2017,96:71-75.
APA Chou C.C..,Feng K.C..,Raevski I.P..,Chu L.W..,Chen H..,...&Tu C.-S..(2017).Part II: Phase transformation-induced bloating behavior in diopside glass-ceramics for microwave dielectrics.Materials Research Bulletin,96,71-75.
MLA Chou C.C.,et al."Part II: Phase transformation-induced bloating behavior in diopside glass-ceramics for microwave dielectrics".Materials Research Bulletin 96(2017):71-75.
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