Transmission electron microscopy of SrO containing multi-cation doped α-SiAlON ceramics

S. Turan*, H. Mandal, F. Kara

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

6 Citations (Scopus)

Abstract

An advantage of α-SiAlON is that it can accommodate cations of sintering additives and hence reduces the amount of deleterious remnant intergranular amorphous phase. However, it is believed that relatively large cations cannot enter the structure. In this work, TEM-EDX combination is used to find out whether large cations of Sr2+ can be incorporated into the α-SiAlON structure. The results showed that Sr2+ can enter the structure if other smaller cations of Ca2+ or Yb3+ are also present.

Original languageEnglish
Pages (from-to)37-42
Number of pages6
JournalMaterials Science Forum
Volume383
Publication statusPublished - 2002
Externally publishedYes
Event3rd International Symposium on Nitrides - Sevilla, Spain
Duration: 5 Jul 20007 Jul 2000

Keywords

  • EDX analysis
  • Microstructure
  • SrO-CaO doping
  • SrO-YbO doping

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