Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 8, Problem 43QTP
To determine
Show the plotting of porosity as a function of distance. Further, estimate the average porosity, and determine the average thermal conductivity.
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In the appendices, the modulus of elasticity for silicon nitride is 304 GPa
(that of steel is 207 GPa). How much porosity could be present in the
round bar of silicon nitride such that it equals the reported value for steel?
The flexural strength and associated volume fraction porosity for two specimens of the same ceramic material are as follows:
Ofs (MPa) P
100
50
i
0.05
(a) Compute the flexural strength for a completely nonporous specimen of this material.
0.20
i
MPa
(b) Compute the flexural strength for a 0.30 volume fraction porosity.
MPa
A carbonate whole core 700 cc is placed in cell two of a Boyles Law device. Each of the cells has a volume of 1,000 cc. Cell one is pressured to 50.0 psig. Cell two is evacuated. The cells are connected and the resulting pressure is 28.1 psig. Calculate the porosity of the core
Chapter 8 Solutions
Manufacturing Engineering & Technology
Ch. 8 - What is a ceramic?Ch. 8 - List the major differences between the properties...Ch. 8 - List the major types of ceramics that are useful...Ch. 8 - What do the following materials typically consist...Ch. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - Explain why ceramics are weaker in tension than in...Ch. 8 - What are the advantages of cermets? Suggest...Ch. 8 - Explain why the electrical and thermal...Ch. 8 - Prob. 22QLPCh. 8 - Prob. 23QLPCh. 8 - Explain why the mechanical properties of ceramics...Ch. 8 - Explain how ceramics can be made tougher.Ch. 8 - List and describe situations in which static...Ch. 8 - What properties are important in making...Ch. 8 - A large variety of glasses is now available. Why...Ch. 8 - Prob. 29QLPCh. 8 - Prob. 30QLPCh. 8 - Aluminum oxide and PSZ are described as white in...Ch. 8 - Why does the strength of a ceramic part depend on...Ch. 8 - In old castles and churches in Europe, the glass...Ch. 8 - Prob. 34QLPCh. 8 - Prob. 35QLPCh. 8 - Perform an Internet search and determine the...Ch. 8 - Prob. 37QLPCh. 8 - Prob. 38QLPCh. 8 - In a fully dense ceramic, UTSO = 200 MPa and EO =...Ch. 8 - Plot the UTS, E, and k values for ceramics as a...Ch. 8 - What would be the tensile strength and the modulus...Ch. 8 - Prob. 42QTPCh. 8 - Prob. 43QTPCh. 8 - Prob. 44QTPCh. 8 - Prob. 45SDPCh. 8 - Prob. 46SDPCh. 8 - Prob. 47SDPCh. 8 - Prob. 48SDPCh. 8 - Prob. 49SDPCh. 8 - Prob. 50SDPCh. 8 - Conduct a literature search and write a brief...Ch. 8 - Prob. 52SDPCh. 8 - Prob. 53SDPCh. 8 - It has been noted that the strength of brittle...Ch. 8 - Prob. 55SDP
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- A calcite sample that is 2" in diameter and 1 ft in length was dried completely. When It was submerged in water, it displaced 524 cm3 of water. What is the porosity of the sample?arrow_forwardA 1.02den silk fiber has reached its maximum tenacity value. How many grams (force) would it take to rupture such fiber when dry? Provide your answer with two (2) decimal positions and no unit Answer:arrow_forwardSodium chloride (NaCI) is a ceramic that has the following crystal structure. Given: R(Na*)= 0.098 nm and R(CI")=0.181 Calculate the lonic Packing Factor (IPF) of NaCl? O Na CH Select one: O a. 0.14 O b. 0.66 C. 0.51 O d. 0.74 O e. 0.41 O f. 0.47 g. 0.21arrow_forward
- The major difference between solid and fluid is the molecules are well-packed in solid but free to move in fluid. As a consequence of such difference, which of the following statements are correct? (i) Stress is proportional to strain in solid but stress is proportional to rate of strain in fluid. (ii) Fluid can be used as a lubricating film to separate 2 solid surfaces from direct contact to reduce friction. (iii) The energy required to move a ship slowly is low but increases rapidly with speed. (A) (B) (i) and (ii) (i) and (iii) (ii) and (iii) All of the abovearrow_forwardSodium chloride (NaCI) is a ceramic that has the following crystal structure. Given: R(Na*)= 0.098 nm and R(CI")=0.181 Calculate the lonic Packing Factor (IPF) of NaCl? O Nat Select one: O a. 0.14 O b. 0.66 c. 0.51 O d. 0.74 O e. 0.41 O f. 0.47 O g. 0.21arrow_forwardDiscussion: Why the temp. of water increases rapidly than the paraffin when they heated together ? Why the the temp. of paraffin decreases rapidly than the temp. of water when they cooling together? What about density?arrow_forward
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