Answer part d Question Seven(a) For refractory ceramic materials, cite two characteristics that improve with and two characteristicsthat are adversely affected by increasing porosity.(b) Show that the minimum cation-to-anion radius ratio for a coordination number of 4 is 0.225.(Hint: Use the AX crystal structure, assuming the anion spheres touch in plane).(c) The unit cell for Al>Os has hexagonal symmetry with lattice parameters a = 0.4759 nm and c 1.2nm. If the density of this material is equal to 3.99 g/cm' and is calculated according to the formulan'(E Ac+ EAA)V.NACalculate the atomic packing factor for Al>O, given that the ionic radius for AI is 0.053 nm and i0' is 0.140 nm. Take N, = 6.023 x 1023 atoms/mole.(d) Mention any three industrial ceramics and indicate their applications.

d.) Industrial ceramic are the ceramics which are made of minerals after crushing and grounding in…

Answered: (d) Mention any three industrial…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

What is Gorilla Glass from Corning? Why does it outperform regular window glass in terms of mechanical properties? Briefly explain utilizing basic mechanical principles. When necessary, provide diagrams to further explain your response.
a) : What is sintering process and classification of Ceramics? (b) : Explain the different types of ceramics materials, its properties and applications.
The maximum principal strain failure criterion is appropriate for ceramic materials". Is this true or false?
If crack-tip plasticity is not to blame for ceramic fatigue, what mechanism is responsible?
What class of toughening mechanisms is usually at work in engineered ceramics, and why is this the case?
The primary reason for introducing ceramic components in automotive engine designs is the possibility of higher operating temperatures and, therefore, improved efficiencies. A by-product of this substitution, however, is mass reduction. For the case of 2 kg of cast iron (density = 7.15 Mg/m3) being replaced by an equivalent volume of PSZ (Partially stabilized zirconia, density = 5.50 Mg/m3), calculate the mass reduction.
For a powder binding process that mixes a 1:2 volume ratio mixture of semi-crystalline polyethylene powder with a density of 0.900 g/cm3 andcrystalline polyethylene powder, what is the percent crystallinity of the manufactured parts? (The density of polyethylene in its amorphous andcrystalline states is 0.870 g/cm3 and 0.998 g/cm3 respectively)(This question has only one correct answer)% Crystallinity = 55.45%% Crystallinity = 65.50%% Crystallinity = 76.99%% Crystallinity = 82.30%% Crystallinity = 57.25%
What are the differences between mud casting, hollow casting and full casting in ceramics?
9.6 Briefly explain (a) why there may be sig nificant scatter in the fracture strength for some given ceramic material, and (b) why fracture strength increases with decreasing Y lo specimen size.
How are ceramic bearings manufactured? Tell us about the crushing and abrasion characteristics of ceramic bearings? Why are ceramic bearings used in which applications ? keywords‘Ceramic Bearing Manufacturing Methods’ , ‘Wear Characteristic of Ceramic Bearings’ , ‘Elastic Deformation of Ceramic Bearings’, ‘Ceramic Bearing Applications’, Ceramic Bearing Failure Mechanism)
For a powder binding process that mixes a 3:1 volume ratio mixture of semi-crystalline polyethylene powder with a density of 0.900 g/cm3 and crystalline polyethylene powder, what is the percent crystallinity of the manufactured parts? (The density of polyethylene in its amorphous and crystalline states is 0.870 g/cm3 and 0.998 g/cm3 respectively) a. % Crystallinity = 35.50% b. % Crystallinity = 55.25% c. % Crystallinity = 53.35% d. % Crystallinity = 61.20% e. % Crystallinity = 45.96%
What are the best characteristics of each nano-material (nano-titanium dioxide, silver nano particles, and graphene)? In which application are they most suitable?

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS