Engineering
Materials Science Engineering
Using the data in Table 12.5, do the following: (a)

Using the data in Table 12.5, do the following: (a) Determine the flexural strength for nonporous MgO

Question:

Using the data in Table 12.5, do the following:

(a) Determine the flexural strength for nonporous MgO assuming a value of 3.75 for n in Equation 12.10.

(b) Compute the volume fraction porosity at which the flexural strength for MgO is 62MPa(9000psi).

Transcribed Image Text:

Modulus of Elasticity 10 psi Flexural Streng th Material MPa ksi GPa Silicon nitride (SizN4) Zirconia" (ZrO2) Silicon carbide (SiC) Aluminum oxide (Al2O3) Glass-ceramic (Pyroceram) Mullite (3Al>O3-2SIO2) Spinel (MgAl,04) Magnesium oxide (MgO) Fused silica (SiO2) Soda-lime glass 250-1000 800-1500 100-820 35-145 115-215 15-120 304 44 205 345 30 50 275-700 247 40-100 36 393 120 57 17 185 27 16-35.5 155 16 145 260 110-245 105 38 225 33 110 11 69 10 10 69 Op = 0g exp (-nP) (12.10)

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Fundamentals of Materials Science and Engineering An Integrated Approach

ISBN: 978-1118061602

4th Edition

Authors: David G. Rethwisch

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Question Posted: Jul 03, 2011 11:12 PM

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