Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 18, Problem 40SDP
To determine
Pyrex cookware displays a unique phenomenon: it functions well for a large number of cycles and then shatters into many pieces. Investigate this phenomenon, list the probable
causes, and discuss the manufacturing considerations that may alleviate or contribute to such failures.
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EXPLAIN WHAT IS PROTOTYPE BY FIGURE AND WHY IS IMPORTANT ?
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If crack-tip plasticity is not to blame for ceramic fatigue, what mechanism is responsible?
Question 6
During an extrusion process, a chromium billet at a temperature of 1300°C,
need to be extruded from a billet diameter of 13 mm to a final diameter of
0.35 mm. An extrusion die are required to withstand the temperature and
forces occurring during the process.
6.1
Which ceramic material will you suggest for this application? Provide reasons
for your selection.
6.2
If the ceramic material, selected in Question 6.1 have an UTS. = 915 MPa,
porosity of 16 % and n = 4, calculate the tensile strength and elastic modulus
of the ceramic at room temperature.
Chapter 18 Solutions
Manufacturing Engineering & Technology
Ch. 18 - Outline the steps involved in processing (a)...Ch. 18 - List and describe the functions of additives in...Ch. 18 - Prob. 3RQCh. 18 - Prob. 4RQCh. 18 - Prob. 5RQCh. 18 - Prob. 6RQCh. 18 - Prob. 7RQCh. 18 - Describe the methods by which sheet glass is made.Ch. 18 - Prob. 9RQCh. 18 - Prob. 10RQ
Ch. 18 - Prob. 11RQCh. 18 - Prob. 12RQCh. 18 - Prob. 13RQCh. 18 - Prob. 14RQCh. 18 - Prob. 15RQCh. 18 - Prob. 16RQCh. 18 - Prob. 17RQCh. 18 - Prob. 18QLPCh. 18 - Describe the differences and similarities in...Ch. 18 - Describe the differences and similarities in...Ch. 18 - Prob. 21QLPCh. 18 - Prob. 22QLPCh. 18 - Prob. 23QLPCh. 18 - Are any of the processes used for making discrete...Ch. 18 - Prob. 25QLPCh. 18 - Explain the phenomenon of static fatigue and how...Ch. 18 - Describe and explain the differences in the manner...Ch. 18 - Is there any flash that develops in slip casting?...Ch. 18 - Prob. 29QLPCh. 18 - Using Example 18.1, calculate (a) the porosity of...Ch. 18 - Prob. 31QTPCh. 18 - List similarities and differences between the...Ch. 18 - Prob. 34SDPCh. 18 - Prob. 35SDPCh. 18 - Prob. 36SDPCh. 18 - Prob. 37SDPCh. 18 - Prob. 38SDPCh. 18 - Prob. 39SDPCh. 18 - Prob. 40SDPCh. 18 - Describe your thoughts on the processes that can...Ch. 18 - Prob. 43SDP
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- Explain how casing design problems depend heavily on stress analysis techniques, rock mechanics and drilling and production conditions.arrow_forwardWould you suggest conducting Rockwell-Type hardness tests on ceramic or materials? Why or why not? polymericarrow_forwardExplain and discuss briefly: (1) Whether a larger fracture toughness is associated with an additively manufactured Fe- 0.6wt%C product that is fast cooled after the additive manufacturing OR an additively manufactured Fe-0.6wt%C product that is slowly cooled after the additive manufacturing. (2) Is there any residual stress in the first product? What is the reason? How to reduce this residual stress in the product?arrow_forward
- Which of the following processes are the plastic forming methods used in the shaping of traditional ceramics (three correct answers): Odry pressing O extrusion O jangling O jiggering O jolleying Oslip casting O spinningarrow_forward1. Explain the storage and loss modulus of viscoelastic materials in your own words. 2. Show that phase lag is equal to when considering purely viscous materials. Hint: Use Equations 6.1 and 6.2 provided in the introduction along with the strain rate question = (n) is the viscosity and represents the measurement of resistance to deformation with respect to time).arrow_forwardWhy some automotive components are made of ceramics? Give as many reasons as possible.arrow_forward
- Q What is the difference between the Glass, Ceramic and Metal in terms of Plasticity?arrow_forwardEstimate the critical stress of the surface flaw in a ceramic whose Young's modulus and surface energy are 70 GPa and 0.24 erg/m2, respectively. Assume the propagation of a surface crack of length 0.03 mm.arrow_forwardEach production process has certain potentials as well as certain limitations. You will need to identify and explain three main limitations and three main advantages of current production methods for metals and ceramics. Critically discuss your suggestions for future improvement.arrow_forward
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