EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 34, Problem 31SDP
If one is interested in obtaining a textured surface on a coated piece of metal, should one apply the coating first or apply the texture first? Explain.
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Chapter 34 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 34 - Explain why surface treatments may be necessary...Ch. 34 - What is shot peening? Why is it performed?Ch. 34 - What are the advantages of roller burnishing?Ch. 34 - Explain the difference between case hardening and...Ch. 34 - Describe the principles of physical and chemical...Ch. 34 - Review Fig. 34.2 and describe the principles...Ch. 34 - Prob. 7RQCh. 34 - Prob. 8RQCh. 34 - Prob. 9RQCh. 34 - Prob. 10RQ
Ch. 34 - Prob. 11RQCh. 34 - Prob. 12RQCh. 34 - Prob. 13RQCh. 34 - Prob. 14RQCh. 34 - Prob. 15RQCh. 34 - Prob. 16RQCh. 34 - Describe how roller-burnishing processes induce...Ch. 34 - Explain why some parts may be coated with...Ch. 34 - Prob. 19QLPCh. 34 - Prob. 20QLPCh. 34 - Prob. 21QLPCh. 34 - It is well known that coatings may be removed or...Ch. 34 - Make a list of the coating processes described in...Ch. 34 - Sort the coating processes described in this...Ch. 34 - Why is galvanizing important for automotive-body...Ch. 34 - Explain the principles involved in various...Ch. 34 - Taking a simple example, such as the parts shown...Ch. 34 - Estimate the plating thickness in electroplating a...Ch. 34 - Which surface treatments are functional, and which...Ch. 34 - An artificial implant has a porous surface area...Ch. 34 - If one is interested in obtaining a textured...Ch. 34 - It is known that a mirrorlike surface finish can...Ch. 34 - It has been observed in practice that a thin layer...Ch. 34 - Prob. 34SDPCh. 34 - Prob. 35SDPCh. 34 - Because they evaporate, solvents and similar...Ch. 34 - Prob. 37SDPCh. 34 - The shot-peening process can be demonstrated with...Ch. 34 - Prob. 39SDPCh. 34 - Prob. 40SDP
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- 1. Why does a surface composed of a particular material get dirtied? 2. Why do engineering metals and alloys break, despite the fact that they can't be prevented from doing so? Please explain in full detail! Thank youarrow_forwardTwo previously undeformed specimens of the same metal are to be plastically deformed by reducing theircross-sectional areas. One has a circular cross section, and the other is rectangular; during deformation, thecircular cross section is to remain circular, and the rectangular is to remain as such. Their original anddeformed dimensions are as follows:Circular (Diameter, mm) Rectangular (mm)Original dimensions 16.4 115x175Deformed dimensions 10.4 62x200Which of these specimens will be the hardest after plastic deformation, and why?arrow_forwardWhat precisely is stress testing, and why is it advantageous to begin with?arrow_forward
- Please answer in the column by using the answer provided.arrow_forward7. Which one is coarser? (a) Abrasive paper: 180 grit paper or 320 grit paper ANS: (b) Metal specimen: ASTM grain-size number; 4 or 10 ANS:arrow_forwardCircles of a metal are being punched that will be later stamped into coins. The metal has a shear strength of 32,575 psi. The sheets are 2.1 mm thick. The coin blanks are to be 16.5 mm in diameter. If sheet of metal is expected to produce 50 coin blanks, how much force is required to punch the sheets?arrow_forward
- Explain with the same concept of microscopic hardness the same as explaining the three types of hardnessarrow_forwardThe temperature distribution at a certain input of time in concrete slab during curing is given by T= 3+3r + 16 where x is in cm and T is in K. The rate of change of temperature with time is given (a = 0.003 cm2/s). (a) 0.009 K/s (b) 0.0048 K/s (c) -0.0012 K/s (d) -0.0018 K/sarrow_forward10. Two previously undeformed specimens of the same metal are to be plastically deformed by reducing their cross-sectional areas. One has a circular cross section, and the other is rectangular; during deformation the circular cross section is to remain circular, and the rectangular is to remain as such. Their original and deformed dimensions are as follows: Original dimensions Deformed dimensions Circular (diameter, mm) 15.4 12.1 Rectangular (mm) 129 x 175 75 x 164 Which of these specimens will be the hardest after plastic deformation?arrow_forward
- 5.) Two previously undeformed specimens of the same metal are to be plastically deformed by reducing their cross-sectional areas. One has a circular cross section, and the other is rectangular; during deformation the circular cross section is to remain circular, and the rectangular is to remain as such. Their original and deformed dimensions are as follows: Rectangular (тm) Circular (diameter, mm) 20 x 50 Original dimensions Deformed dimensions 18.0 15.9 13.7 x 55.1 Which of these specimens will be the hardest after the plastic deformation? a) The deformed circular specimen will be harder b) The deformed rectangular specimen will be harder c) Both will have the same hardness d) Both would brake e) No estimation can be made for such processarrow_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. 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_forwardWhat exactly is stress testing, and how does it help?arrow_forward
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