(b) 6 pts. Write the correct, full name of each of the ceramic crystal structure
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Question
(b) 6 pts. Write the correct, full name of each of the ceramic crystal structures shown below on the line beneath each. The name must be complete and correct for full credit. artitat (2 pts.) X (2 pts.) 3. o(2 pts (c) 2 pts. For the crystal structure shown in part (b) 2 above, in what specific ype of interstitial sites relative to an FCC structure are the cations located?n beHuten he (d) 4 pts. The mechanical behavior of metals is commonly evaluated using tensile tests. Briefly explain why this approachis not applicble to ceramics, and cite one example of a mechanical properties of ceramics.Explanation / Answer
b);
1- CsCl - cesium chloride. 2. C- Carbon 3. NaCl- sodium chloride
c) The location of the ½, 0, 0 site in FCC metals showing the arrangement of the normal atoms and the interstitial atom , as well as the Edge centers and cube centers are some of the interstitial sites in the FCC structure.
d) A tensile test is a fundamental mechanical test where a carefully prepared specimen is loaded in a very controlled manner while measuring the applied load and the elongation of the specimen over some distance. Tensile tests are used to determine the modulus of elasticity, elastic limit, elongation, proportional limit, reduction in area, tensile strength, yield point, yield strength and other tensile properties. Ceramics are brittle , hard strong and weak in shearing thus are not applicable for tensile tests/
The Scratch tests commonly involve comparatively scratching progressively harder materials and can be commonly used for determining "mechanical" properties of ceramics.
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