DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Chapter 32, Problem 2CS
What are the effects of stress level, surface finish (grit size in our experiment), and surface finish direction? Are there any interactions between them on fatigue life? Discuss.
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Chapter 32 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 32 - Why are surface processes so important?Ch. 32 - What are some of the factors that should be...Ch. 32 - How is the surface and its integrity altered by...Ch. 32 - Two surfaces can have the same microinch roughness...Ch. 32 - What limits the resolution of a stylus-type...Ch. 32 - Prob. 6RQCh. 32 - Prob. 7RQCh. 32 - What are some common abrasive media used in...Ch. 32 - Prob. 9RQCh. 32 - Why might there be an optimum fill level in barrel...
Ch. 32 - Prob. 11RQCh. 32 - Prob. 12RQCh. 32 - Prob. 13RQCh. 32 - What are some of the mechanisms of alkaline...Ch. 32 - Prob. 15RQCh. 32 - In view of its many attractive features, why has...Ch. 32 - Prob. 17RQCh. 32 - Prob. 18RQCh. 32 - Prob. 19RQCh. 32 - What are some of the functions of a prime coat in...Ch. 32 - Prob. 21RQCh. 32 - Prob. 22RQCh. 32 - What are some of the attractive features of...Ch. 32 - Prob. 24RQCh. 32 - Prob. 25RQCh. 32 - Prob. 26RQCh. 32 - Prob. 27RQCh. 32 - What are the attractive properties of hard chrome...Ch. 32 - Prob. 29RQCh. 32 - Prob. 30RQCh. 32 - Prob. 31RQCh. 32 - When anodizing aluminum, what features determine...Ch. 32 - Prob. 33RQCh. 32 - Prob. 34RQCh. 32 - What types of particulate composites can be...Ch. 32 - Prob. 36RQCh. 32 - Prob. 37RQCh. 32 - How and why are burrs made by the milling process?...Ch. 32 - Prob. 39RQCh. 32 - What are the effects of stress level, surface...Ch. 32 - What effect would abrupt surface changes, such as...Ch. 32 - Prob. 4CSCh. 32 - Prob. 5CS
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- Answer in handwritten solution for an upvote. Thank youarrow_forwardList three general categories of surface treatment that can increase fatigue life, and provide one example of a specific process for each category.arrow_forward7) Explain the concept “wide spread fatigue damage”, its origin andconsequences. Give an example of a real case where the phenomenon was observed.arrow_forward
- I. List the importance of the impact test and limitations. II. Which material (i.e., C1045-CF, Cast Iron, AL7075-T6) was more ductile? Explain the effect of carbon content and finishing process on ductility. II. How did temperature affect the toughness of the specimens? IV. Based on these results, which material would be better to use for constructing an earthquake resistant structure? Explain. V. The following picture shows Charpy fracture surfaces of a material with different initial temperatures, after testing. Which of these figures, i.e., (a) to (e), is related to the lowest temperature? Explain. (d)arrow_forward6 Fatigue cracks may happen due to weakening of surface layer in hot working. Select one: True False )arrow_forwardAnswer it pls.arrow_forward
- Define the comparative surface roughness values against typical manufacturing processes.arrow_forwardHow are (yield strength and E-modules )affected when we increase the hardness of a metal?arrow_forwardG .l DO o e (iv) Dimensionless film thickness is greater 0 ) 0} ) Question 5: As the temperature is increased coefficient of friction based on the lubrcation regime. Question 6: Which of the following is a desir property of boundary lubricant? igh melting point.arrow_forward
- Given your understanding of what initiates and controls failure in materials, which of the following will increase the failure strength or lifetime of a test piece or component and why? a. Polishing to reduce surface defects b. Decreasing the temperature below the brittle-ductile transition temperature, to make it harder C. Increasing its volume, to give a larger cross sectional area d. Increasing the grain size so there are less grain boundaries to initiate failure e. Decreasing the difference between the maximum and minimum stress values, as this effects the stress concentration factorarrow_forwardi need the answer quicklyarrow_forwardGiven your understanding of what initiates and controls failure in materials, which of the following will increase the failure strength or lifetime of a test piece or component and why? a. Increasing the grain size so there are less grain boundaries to initiate failure b. Decreasing the temperature below the brittle-ductile transition temperature, to make it harder c. Decreasing the difference between the maximum and minimum stress values, as this effects the stress concentration factor d. Polishing to reduce surface defects e. Increasing its volume, to give a larger cross sectional areaarrow_forward
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Stresses Due to Fluctuating Loads Introduction - Design Against Fluctuating Loads - Machine Design 1; Author: Ekeeda;https://www.youtube.com/watch?v=3FBmQXfP_eE;License: Standard Youtube License