quiz8fall01 - Answer any 4 Questions Name Quiz 8 ENSC...

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Name ENSC 3313, Fall 20m Quiz 8 gt Answer any 4 Questions only, 1 point each A memorable periodical article heading was "Ceramics are the material of the future. . .and always will be!" The inference is that advanced (structural) ceramics have both wonderfully attractive features and huge drawbacks. Tell 2 attractive characteristics and a liability! high temperature stability @ high melting points '"" low specific gravity high stiffness excellent for high temperature structural applications such as in engines. @ brittle!!!! ...so huge thermal shock and processing problems. Calculate the density of the FCC compound, LiF. The ionic radii are 0.068 and 0.!33 nm, respectively. Avagadro's number is 0.6022 x !024; the amu are 6.94 and !9.00 for Li and F, respectively. Express your answers as g/cm3 or Mg/m3. 2. FCC compound, hence 4 of each per cell and 2R + 2r = a Hence, D = --the 10-'-7 is (nm)3 to m3 D -W Mg/m3 Calculate the polydispersivity index (PDI) for the polymer of the following data. 3,
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This note was uploaded on 01/10/2012 for the course ENSC 3313 taught by Professor Staff during the Fall '11 term at Oklahoma State.

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quiz8fall01 - Answer any 4 Questions Name Quiz 8 ENSC...

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