Solution manual for exercises - MAELabs UCSD
Solution manual for exercises - MAELabs UCSD
Solution manual for exercises - MAELabs UCSD
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E8.18. Make a chart showing modulus E and density ρ . Apply a selection line of slope 1,<br />
corresponding to the index ρ / E positioning the line such that six materials are left above it. What<br />
families do they belong to?<br />
Answer. The chart generated by CES is shown below with a selection line of slope 1 positioned to<br />
leave six materials above the line. These are the materials with the lowest values of the index. They<br />
are listed in the table. Five are ceramics, one is a composite.<br />
Selected materials<br />
Alumina<br />
Aluminum nitride<br />
Boron carbide<br />
CFRP, epoxy matrix (isotropic)<br />
Silicon carbide<br />
Silicon nitride<br />
Eco text: solution <strong>manual</strong> 49 MFA, 08/12/2008
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