Manufacturing Engineering And Technology
7th Edition
ISBN: 9789810694067
Author: Stephen R. Schmid (author) Serope Kalpakjian (author)
Publisher: Pearson Education Orphans
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Textbook Question
Chapter 4, Problem 16QLP
You may have seen some technical literature on products stating that certain parts in those products are “heat treated.” Describe briefly your understanding of this term and why the manufacturer includes it.
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Students have asked these similar questions
Heat 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?
For each of the heat treatments and processes below, explain what the process is, how it affects the structure, properties and behaviour of the parent material. A) solution heat treatment of Aluminium/ Copper alloys
B) chemical vapour deposition on semiconductor materials
C) Hot forging of steels
At noon a batch of molten iron at a temperature of 1500 degrees Kelvin is removed from a furnace to a room whose temperature is held at 300 degrees Kelvin. After twenty minutes the iron has cooled to 1100 degrees Kelvin. The iron will be subject to further processing when its temperature is 500 degrees Kelvin. When will that be? Explain.
Chapter 4 Solutions
Manufacturing Engineering And Technology
Ch. 4 - Describe the difference between a solute and a...Ch. 4 - What is a solid solution?Ch. 4 - Prob. 3RQCh. 4 - Describe the difference between a single-phase and...Ch. 4 - What is an induction heater? What kind of part...Ch. 4 - Describe the major features of a phase diagram.Ch. 4 - What do the terms equilibrium and constitutional,...Ch. 4 - Prob. 8RQCh. 4 - What is tempering? Why is it performed?Ch. 4 - Explain what is meant by severity of quenching.
Ch. 4 - What are precipitates? Why are they significant in...Ch. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Prob. 15RQCh. 4 - You may have seen some technical literature on...Ch. 4 - Prob. 17QLPCh. 4 - What is the difference between hardness and...Ch. 4 - Prob. 19QLPCh. 4 - Prob. 20QLPCh. 4 - Prob. 21QLPCh. 4 - Describe the characteristics of (a) an alloy, (b)...Ch. 4 - Explain why carbon, among all elements, is so...Ch. 4 - Prob. 24QLPCh. 4 - In Section 4.8.2, several fluids are listed in...Ch. 4 - Why is it important to know the characteristics of...Ch. 4 - Explain why, in the abscissa of Fig. 4.16c, the...Ch. 4 - Prob. 28QLPCh. 4 - Prob. 29QLPCh. 4 - Prob. 30QLPCh. 4 - Design a heat-treating cycle for carbon steel,...Ch. 4 - Using Fig. 4.4, estimate the following quantities...Ch. 4 - Prob. 33QTPCh. 4 - Prob. 34QTPCh. 4 - Prob. 35SDPCh. 4 - Figure 4.18b shows hardness distributions in...Ch. 4 - Throughout this chapter, you have seen specific...Ch. 4 - Refer to Fig. 4.24, and think of a variety of...Ch. 4 - Inspect various parts in your car or home, and...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- In a few words or in a single short sentence explain what kind of relationships represent thermally activated processes?arrow_forwardWith the aid of diagrams describe the difference between latent and sensible heat for two different materials: one with a low specific heat capacity and one with a much larger specific heat capacity.arrow_forwardDoes consideration of creep become important when materials are in service for long periods of time?arrow_forward
- What is heat treatment?arrow_forwardA steel bar is heated in a furnace until it reaches 2000oF. The blacksmith observes that it cools to 1500oF in 15 minutes. It needs to be hammered into shape before it gets within 500oF of the room temperature (100oF) before it gets too cold to be shaped properly. After pulling out the steel bar from the furnace, how long does the blacksmith have before it needs to be reheated? Assume that Newton's law of cooling is applicable.arrow_forwardWhy do we use heat treatment in materials?arrow_forward
- The properties of some very ductile metals, such as certain low- carbon steels, change at low temperatures at their particular transition zone. How can this information help an engineer design machinery that will be operating in subzero temperatures?arrow_forwardSuppose you are asked to manufacture a critical component based on a nickel-based super-alloy. The component must not contain any porosity and it must be chemically homogeneous. What manufacturing process would you use for this application? Why?arrow_forwardDiscuss the Importance of Heat Treatment.arrow_forward
- effect of the cooling rate on the microstructure and hardness of a materialarrow_forwardThe basics of strain hardening should be explained. Is this method still effective at high temperatures? explainarrow_forwardAdvanced Physicswhat are the real life applications of cold working and annealing?arrow_forward
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How to make metal stronger by heat treating, alloying and strain hardening; Author: Billy Wu;https://www.youtube.com/watch?v=7lM-Y4XndsE;License: Standard Youtube License