DeGarmo's Materials and Processes in Manufacturing

12th Edition

ISBN: 9781118987674

Author: J. T. Black, Ronald A. Kohser

Publisher: WILEY

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Textbook Question

Chapter 2, Problem 6P

Several of the property tests described in this chapter produce results that are quite sensitive to the presence or absence of notches or other flaws. The fracture mechanics approach to materials testing incorporates flaws into the tests and evaluates their performance. The review article mentioned inÂ question 4Â earlier cites the key role of a flaw or defect in nearly all of the headlineâ€�news fractures.

What are some of the various “flaws or defects” that might be present in a product? Consider flaws that might be present in the starting material, flaws that might be introduced during manufacture, and flaws that might occur due to shipping, handling, use, maintenance, or repair.
What particular properties might be most sensitive to flaws or defects?
Discuss the relationship of flaws to the various types of loading (tension vs. compression, torsion, shear).
Fracture mechanics considers both surface and interior flaws and assigns terms such as “crack initiator,” “crack propagator,” and “crack arrestor.” Briefly discuss why location and orientation may be as important as the physical size of a flaw

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Chapter 2, Problem 5P

Chapter 2, Problem 1CS

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Chapter 2 Solutions

DeGarmo's Materials and Processes in Manufacturing

Ch. 2 - Prob. 1RQ Ch. 2 - Provide two definitions of the termÂ...Ch. 2 - Knowledge of what four aspects and their...Ch. 2 - Give an example of how we might take advantage of...Ch. 2 - What are some of the possible property...Ch. 2 - What are some properties commonly associated with...Ch. 2 - What are some of the more common nonmetallic...Ch. 2 - What are some of the important physical properties...Ch. 2 - Why should caution be exercised when applying the...Ch. 2 - What are the standard units used to report stress...

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Solution Summary: The author explains the different types of flaws and defects present in a product. The most sensitive properties to defects are impact toughness and fatigue strength.

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Chapter 2 Solutions