The mechanical properties of siliceous ZSM-5 (MFI) crystals

Zhongmin Wang, Raul F. Lobo, John Lambros

Research output: Contribution to journalArticlepeer-review


The micromechanical compressive response of siliceous ZSM-5 single-crystals (silicalite) has been measured using an in-house-built micromechanical tester.Single-crystals (Ο300 μm) were prepared using the method of Shimizu and Hamada [Angew.Chemie Int.Ed.38 (1999) 2725]. High-quality crystals with no evident microcracks and which were optically transparent were subjected to measurements using single, cyclic and two-directional compression tests.ZSM-5 crystals are highly brittle and prone to microcracking.An average s modulus Ο4 GPa was measured.No difference in Young's modulus between as-synthesized and calcined crystals is detected and little mechanical anisotropy is observed.The cyclic tests reveal gradual stiffness deterioration through a microcracking process.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalMicroporous and Mesoporous Materials
Issue number1
StatePublished - Jan 2 2003
Externally publishedYes


  • Compression tests
  • Mechanical properties
  • ZSM-5

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials


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