Explanation When a material is heated below the hot working temperature, and above the cold working temperature, then the operation is said to be warm working. Cold working produces good material properties. While in hot working, the deformation of the material is large. Hence in order to have the advantage of both warm operations, working is used...

Degarmo's Materials And Processes In Manufacturing

13th Edition

ISBN: 9781119492825

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

Publisher: Wiley,

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Chapter 17, Problem 62RQ

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The warm working.

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Chapter 17 Solutions

Degarmo's Materials And Processes In Manufacturing

Ch. 17 - What is plasticity?Ch. 17 - What are some of the general assets of the...Ch. 17 - Why might large production quantities be necessary...Ch. 17 - What types of deformation may occur in forming...Ch. 17 - What is an independent variable in a...Ch. 17 - What are some considerations regarding selection...Ch. 17 - What is the significance of tool and die geometry...Ch. 17 - Why is lubrication often a major concern in metal...Ch. 17 - What are some of the secondary effects that may...Ch. 17 - Prob. 10RQ

Ch. 17 - Why is it important to be able to predict the...Ch. 17 - Prob. 12RQ Ch. 17 - Prob. 13RQ Ch. 17 - Prob. 14RQ Ch. 17 - Prob. 15RQ Ch. 17 - Prob. 16RQ Ch. 17 - Prob. 17RQ Ch. 17 - What are some of the features that may be...Ch. 17 - What features have contributed to the expanded use...Ch. 17 - What are some of the uses or applications of...Ch. 17 - Prob. 21RQ Ch. 17 - Prob. 22RQ Ch. 17 - Prob. 23RQ Ch. 17 - What type of information about the material being...Ch. 17 - Prob. 25RQ Ch. 17 - Why is friction such an important parameter in...Ch. 17 - Why are friction effects in metalworking difficult...Ch. 17 - Prob. 28RQ Ch. 17 - Prob. 29RQ Ch. 17 - Prob. 30RQ Ch. 17 - Prob. 31RQ Ch. 17 - Discuss the significance of wear in metal forming:...Ch. 17 - Lubricants are often selected for properties in...Ch. 17 - What is tribology?Ch. 17 - What are some of the common types of metal forming...Ch. 17 - What is hydrodynamic lubrication? What are some of...Ch. 17 - If the temperature of a material is increased,...Ch. 17 - Define the various regimes of cold working, warm...Ch. 17 - What is an acceptable definition of hot working?...Ch. 17 - What are some of the attractive manufacturing and...Ch. 17 - What are some of the negative aspects of hot...Ch. 17 - Prob. 42RQ Ch. 17 - Prob. 43RQ Ch. 17 - If the deformed grains recrystallize during hot...Ch. 17 - Why might a rolled thread offer improved strength...Ch. 17 - How might the temperature of a deforming workpiece...Ch. 17 - Why are heated dies or tools often employed in...Ch. 17 - What generally restricts the upper temperature to...Ch. 17 - What is the primary cause of residual stresses in...Ch. 17 - What is cold working?Ch. 17 - Compared to hot working, what are some of the...Ch. 17 - What are some of the disadvantages of...Ch. 17 - How could cold working be used to reduce the cost...Ch. 17 - Why are coldâ€�forming processes best suited for...Ch. 17 - How can the tensile test properties of a metal be...Ch. 17 - Why is elastic springback an important...Ch. 17 - What is pickling, and how does it remove surface...Ch. 17 - Prob. 58RQ Ch. 17 - What engineering properties are likely to decline...Ch. 17 - Prob. 60RQ Ch. 17 - Prob. 61RQ Ch. 17 - Prob. 62RQ Ch. 17 - What are some of the advantages of warm forming...Ch. 17 - Prob. 64RQ Ch. 17 - What material feature is considered to be the...Ch. 17 - Why is isothermal forming considerably more...Ch. 17 - Prob. 67RQ Ch. 17 - Prob. 1P Ch. 17 - Prob. 2P Ch. 17 - List and discuss the various economic factors that...Ch. 17 - Prob. 4P Ch. 17 - Prob. 5P Ch. 17 - Prob. 6P Ch. 17 - Prob. 1.1CS Ch. 17 - Prob. 1.2CS Ch. 17 - Which stainless steel would you recommend? Begin...Ch. 17 - Prob. 1.4CS Ch. 17 - Prob. 1.5CS Ch. 17 - After drawing and perforating, the residual...Ch. 17 - One of the blades has struck a rock and is badly...Ch. 17 - A second propeller, identical to the one above,...

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The warm working.

Solution Summary: The author explains that cold working produces good material properties, while hot working, the deformation of the material is large. In this operation, strain hardening also takes place.

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Chapter 17 Solutions