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  1. Newsgroups: sci.materials
  2. Path: sparky!uunet!wupost!zaphod.mps.ohio-state.edu!saimiri.primate.wisc.edu!ames!agate!dog.ee.lbl.gov!hellgate.utah.edu!fcom.cc.utah.edu!cc.utah.edu!ewstroup
  3. From: ewstroup@cc.utah.edu (ERIC W. STROUP)
  4. Subject: Re: Wanted, physical constants of Si3N4
  5. Message-ID: <11NOV199209512202@cc.utah.edu>
  6. News-Software: VAX/VMS VNEWS 1.4-b1  
  7. Sender: news@fcom.cc.utah.edu
  8. Organization: University of Utah Computer Center
  9. References: <1992Nov10.210417.21065@bnr.ca>
  10. Date: 11 Nov 1992 09:51 MST  
  11. Lines: 24
  12.  
  13. In article <1992Nov10.210417.21065@bnr.ca>, miking@bnr.ca writes...
  14. {Could anyone supply me with physical constants of silicon nitride? The usual
  15. {standard references (Wolfe, INSPEC, CRC) don't seem to have much related to
  16. {this material. Thanks in advance. Mike King
  17.  
  18. Silicon nitride      Density    Elasitc Modulus  Poisson's ratio
  19.              3.44       304 GPa            0.24
  20.  
  21.              Koop Hardness    Modulus of Rupture  
  22.                2200        414-580 MPa
  23.  
  24.              Electrical Resistivity    Thermal Conductivity
  25.             >10^12  Ohm-meter      16-33 W/m-K
  26.  
  27.              Coefficient of Thermal Expansion    Melting Temperature
  28.               3.6 (C)^-1 x10^6             ~1900 C
  29.  
  30. -Eric
  31. ****************************************************************************
  32. Eric W. Stroup                          Department of Bioengineering
  33. ewstroup@cc.utah.edu                            2480 MEB, University of Utah
  34. c-sew@math.utah.edu                             Salt Lake City, UT  84112
  35. ****************************************************************************
  36.  
  37.