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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Textbook Question
Chapter 5, Problem 4RQ
What is the broad goal of the processing heat treatments? Cite some of the specific objectives that might be sought.
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Students have asked these similar questions
Which of the following may occur during an annealing heat treatment? (Please choose all that apply)
Stresses may be relieved
Ductility may decrease
Toughness may increase
Strength may increase
Enumerate and define the three types of heat treatment.
Regarding annealing, choose the right answer
(One or more):
The actual annealing time must be long
enough to allow for any necessary
transformation reactions that may occur
Annealing can be performed to release
internal stresses of the material
The main purpose of annealing is to
decrease or restore material's ductility
Time isn't a significant parameter in
annealing process
If the rate of temperature change is too
great, temperature gradients and internal
stresses may be induced that may lead to
warping or even cracking
Chapter 5 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 5 - What is heat treatment?Ch. 5 - What types of properties can be altered through...Ch. 5 - Why should people performing hot forming or...Ch. 5 - What is the broad goal of the processing heat...Ch. 5 - Why might equilibrium phase diagrams be useful...Ch. 5 - What are the A1, A3, and Acm lines?Ch. 5 - What are some possible objectives of annealing...Ch. 5 - Why might it be important to include a preceding...Ch. 5 - Describe the cooling conditions of a full anneal.Ch. 5 - Why are the hypereutectoid steels not...
Ch. 5 - Although full anneals often produce the softest...Ch. 5 - What is the major process difference between full...Ch. 5 - Although normalizing is less expensive than a full...Ch. 5 - Prob. 14RQCh. 5 - What types of steel would be candidates for a...Ch. 5 - How might steel composition influence the...Ch. 5 - Other than increasing strength, for what three...Ch. 5 - What are the six major mechanisms that can be used...Ch. 5 - Prob. 19RQCh. 5 - What is required for a metal to be a candidate for...Ch. 5 - What are the three steps in an age�hardening...Ch. 5 - What is the difference between a coherent...Ch. 5 - What is overaging? Why does strength decrease?Ch. 5 - Describe the various aging responses (maximum...Ch. 5 - What is the difference between natural and...Ch. 5 - Why might naturally aging aluminum rivets be...Ch. 5 - Why is it important not to expose precipitation...Ch. 5 - Why is it more difficult to understand the...Ch. 5 - What types of heating and cooling conditions are...Ch. 5 - What are the stable equilibrium phases for steels...Ch. 5 - What are some nonequilibrium structures that...Ch. 5 - Prob. 32RQCh. 5 - What is the major factor that influences the...Ch. 5 - For a given steel, describe the relative strengths...Ch. 5 - Most structure changes proceed to completion over...Ch. 5 - What is retained austenite, and why is it an...Ch. 5 - What types of steels are more prone to retained...Ch. 5 - Why are martensitic structures usually tempered...Ch. 5 - Why does tempering offer a spectrum of possible...Ch. 5 - In what ways is the quench�and�temper heat...Ch. 5 - What is a C�C�T diagram? Why is it more useful...Ch. 5 - What is the critical cooling rate, and how is it...Ch. 5 - What two features combine to determine the...Ch. 5 - What conditions are used to standardize the quench...Ch. 5 - How do the various locations of a Jominy test...Ch. 5 - How do the data collected from a Jominy test...Ch. 5 - What is the assumption that allows the data from a...Ch. 5 - What is hardenability? How is it different from...Ch. 5 - What capabilities are provided by...Ch. 5 - When selecting a steel for an application, what...Ch. 5 - What are the three stages of liquid quenching?Ch. 5 - What are some of the major advantages and...Ch. 5 - Why does brine provide faster cooling than water?Ch. 5 - Why is an oil quench less likely to produce quench...Ch. 5 - What are some of the attractive qualities of a...Ch. 5 - Prob. 56RQCh. 5 - Prob. 57RQCh. 5 - Prob. 58RQCh. 5 - Prob. 59RQCh. 5 - How might the thermally induced residual stresses...Ch. 5 - Prob. 61RQCh. 5 - Prob. 62RQCh. 5 - Prob. 63RQCh. 5 - What is thermomechanical processing?Ch. 5 - Prob. 65RQCh. 5 - Prob. 66RQCh. 5 - Prob. 67RQCh. 5 - Prob. 68RQCh. 5 - Prob. 69RQCh. 5 - Prob. 70RQCh. 5 - Prob. 71RQCh. 5 - Prob. 72RQCh. 5 - Prob. 73RQCh. 5 - Why does a carburized part have to be further...Ch. 5 - Prob. 75RQCh. 5 - Prob. 76RQCh. 5 - Prob. 77RQCh. 5 - Describe the distinguishing features of a box...Ch. 5 - What are some possible functions of artificial...Ch. 5 - Prob. 80RQCh. 5 - Prob. 81RQCh. 5 - Prob. 82RQCh. 5 - What are some current goals of the heat treatment...Ch. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - What problems might be expected if the material on...Ch. 5 - Describe some heat treatment processes or...Ch. 5 - Prob. 1.3CSCh. 5 - Prob. 1.4CSCh. 5 - Prob. 1.5CSCh. 5 - Prob. 1.6CSCh. 5 - Prob. 1.7CSCh. 5 - Prob. 1.8CSCh. 5 - Prob. 2.1CSCh. 5 - Prob. 2.2CSCh. 5 - How would you alter the procedures or policies of...
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- In addition to standard PPE, what specific PPE and safety precautions should be used during heat treating?arrow_forwardfor fuselage of an aircraft product How might you propose to fabricate this product? 5. Would the product require heat treatment? For what purpose? What kind of treatment? 6. Would this product require any surface treatment or coating? For what purpose? What would you recommendarrow_forwardHeat treatment is the controlled heating and cooling of metals to alter their physical and mechanical properties without changing the product shape. When performing the cooling step of the tempering process, knife makers have used material such as clay to cover portions of the blade to slow the cooling rate of the covered steel. Why may this technique be beneficial for making a sword which holds a sharp edge while remaining flexible enough to withstand the forces subjected to it in battle?arrow_forward
- a) What is the main purpose of using "Controlled Heat Treatment Procedure"? b) What are main criterias to establish a proper process conditions? Please explain in detail.arrow_forwardExplain with neat sketch, “Anodizing” heat treatment process.arrow_forward"Your boss requests a recommendation on which process to use to make fillet welds on stainless steel rail tank cars with this material. Your heart beating fast, you respond. " A: Use HYPERFILL®. The cooling rate is acceptable for this material and productivity gains are important given the large size of the product. B: "Use HYPERFILL®, for the same reasons as (A), BUT we need to change materials to a low carbon stainless steel (e.g. 304L) or we will get corrosion failure in the HAZ." C: "Use GMAW-P. For this material, this heat input is best. " D: "Use GMAW-P, for the same reasons as (C), but we need to change materials to a low carbon stainless steel (e.g. 304L) or we will get corrosion failure in the FZ."arrow_forward
- Heat treatment process can be classified under which manifacturing operation? Question 6 options: Shaping operations Property‑enhancing operations Assembly operations Surface processing operationsarrow_forward4. How might you propose to fabricate this product? 5. Would the product require heat treatment? For what purpose? What kind of treatment? 6. Would this product require any surface treatment or coating? For what purpose? What would you recommendarrow_forwardThe Allocated alloys are (i) Alloy : Udimet 720 (ii) Technical ceramic : Boron nitride (iii) Polymer/elastomer : Polycarbonate | Question 6 Ta) Explain the microstructural changes that your allocated alloy exhibits during age Thardening. You should use a sketch the microstructure of your material (i) held for 30 I minutes at the solution temperature, (ii) after, subsequently, cooling rapidly from the |solution temperature to room temperature, (ii) after, subsequently, holding at the commercial aging temperature for the prescribed time, to support your explanation. I b) Compare and contrast how precipitates (i) increase the yield strength of some alloys at room temperature, and (i) lower the creep rate of some alloys at elevated temperature. Ic) Your allocated alloy is strengthened by intermetallic precipitates that grow during aging. By both defining an intermetallic and detailing those found in your alloy, explain | why they are so effective at strengthening your material.arrow_forward
- normalizing advantages over quenching (heat treatment process)arrow_forwardThe primary energy consumption in 2018 in the united states was 129,373 kToe and the final energy consumption was 82,192 kToe the average yield of the transformation process was ? a. 0.47 b. 0.64 c. 0.57arrow_forwardWhat is the typical industrial reduction ratio for an ingot while being processed into a forging? Group of answer choices 7:2 3:1 2:1 10:1 How are oxides removed from the melt pool during a casting process? Group of answer choices Machined after solidification Collected in slag Allowed to diffuse out into the air Vacuum degassingarrow_forward
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