Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Question
Chapter 4, Problem 24QLP
To determine
How does the shape of graphite in cast iron affect its properties?
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Chapter 4 Solutions
Manufacturing Engineering & 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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- What is the% C ratio of two different steels with 80% and equal austenite content at 724 Celsius?arrow_forwardWhat is the% C ratio of two different steels with 80% equal and equal austenite content at 724 C?arrow_forwardHow much time (in seconds) is required for austenite to transform to 50% bainite at 300°C?arrow_forward
- Below is a continuous cooling transformation curve for steel (upper) and for a silicate melt (lower). Describe the similarities and differences as follows. a. What is the critical cooling rate in each case? b. What phase(s) form in each case when the critical cooling rate is exceeded? c. What phase(s) form in each case if the cooling rate is very slow? 800 1400 Ae lemperature Austenite *peorlite begins 10FI 700 1200 Austenitepearlite complete 1600 1000 5009 800 Tronsformation stops 400 600 300 400 Austenite -mortenstic structure 200 -Isathermal dogram Continuous transformaton diogrom Constant rate coding curves - 100 200 Findl structure Mortensite Morlensite i peorlile Peorite (softer, coorser- 0.1 10? 10 Tronsformation time, seconds Continuous Cooling-Transformation (C-T)Diagram (Derived from the isothermal-transformation diagram for a plain-carbon eutectoid steel) 1200 Glass Crystallization begins 1100 1000 Critical cooling rate Glass-ceramic 900 Crystallization ends 800 700 102 10…arrow_forwardHow much time in seconds is required for austenite to transform to 50% pearlite at 600°C?arrow_forwardb) What are the types of cast iron according to their microstructure? Explain with drawing.arrow_forward
- Write down what you know about curd (lamellar graphite) cast irons by classifying cast irons.arrow_forwardWhat is the% C ratio of two different steels with 80% and equal austenite content at 724 C? please explain how to calculatearrow_forwardIn detailed paragraph, How are stainless steels and heat-resisting steels classified?arrow_forward
- What is the marcosopic structure of metallic in low carbon and then high carbon steels .arrow_forward5. What is the role of austenitic gram size in martensitic transformations? Is austenitic grain size is important to the strength of martensite? What other factors are important to the strength and toughness in technological hardened steels?arrow_forwardThe majority of automobile alloy wheels are to be produced from A356 aluminum alloy by low pressure casting technique. Which method/s would you prefer to strengthen the wheels? Justify your answers and explain the detailed procedure steps which you would follow (Hint: You may need to check the related literature and the chemical composition of the alloy in order to determine the right job/s).arrow_forward
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