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 4, Problem 31RQ
To determine
The feature in the iron carbon diagram distinguishing between cast irons and steels.
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Chapter 4 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 4 - What kind of questions can be answered by...Ch. 4 - Prob. 2RQCh. 4 - Supplement the examples provided in the text with...Ch. 4 - Prob. 4RQCh. 4 - What three primary variables are generally...Ch. 4 - Use the pressure–temperature diagram for water...Ch. 4 - Prob. 7RQCh. 4 - What form of equilibrium phase diagram is most...Ch. 4 - What is a cooling curve?Ch. 4 - Prob. 10RQ
Ch. 4 - Prob. 11RQCh. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - What types of changes occur upon cooling through a...Ch. 4 - Prob. 15RQCh. 4 - What is a tie�line? For what types of phase...Ch. 4 - What points on a tie�line are used to determine...Ch. 4 - Prob. 18RQCh. 4 - What is a cored structure? Under what conditions...Ch. 4 - What is the difference between a cored structure...Ch. 4 - Prob. 21RQCh. 4 - Prob. 22RQCh. 4 - Prob. 23RQCh. 4 - Prob. 24RQCh. 4 - For the various three�phase reactions, what does...Ch. 4 - Prob. 26RQCh. 4 - Prob. 27RQCh. 4 - Prob. 28RQCh. 4 - Prob. 29RQCh. 4 - Prob. 30RQCh. 4 - Prob. 31RQCh. 4 - Prob. 32RQCh. 4 - Prob. 33RQCh. 4 - Prob. 34RQCh. 4 - Prob. 35RQCh. 4 - Prob. 36RQCh. 4 - Prob. 37RQCh. 4 - What is carbon equivalent, and how is it computed?Ch. 4 - Prob. 39RQCh. 4 - Prob. 40RQCh. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Consider the manufacture of a fishhook beginning...Ch. 4 - If a stainless steel were to be used, what type of...Ch. 4 - A wide spectrum of coatings and surface treatments...Ch. 4 - Prob. 1.4CSCh. 4 - Prob. 2.1CSCh. 4 - Prob. 2.2CSCh. 4 - Prob. 2.3CSCh. 4 - Prob. 2.4CS
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- What are they and what is their application in the production of the following steels: TTT diagrams of non-eutectoid steel TTC continuous cooling diagrams Tempering of martensitearrow_forwardin a tabular format compare composition and heat treatment for different cast irons and steelsarrow_forwardWhat are they and what is their application in the production of the following steels: TTT diagrams. Phases present out of equilibrium.i. Martensiteii. Bainitearrow_forward
- 9.43 For a 76 wt% Pb-24 wt% Mg alloy, make sche- ● matic sketches of the microstructure that would be observed for conditions of very slow cooling at the following temperatures: 575°C (1070°F), 500°C (930°F), 450°C (840°F), and 300°C (570°F). Label all phases and indicate their approximate compositions.arrow_forward2 By using the Iron - Carbon diagram that you have. Find 5 of the following. 1- Find the Eutectic, Eutectoid temperature of cast iron with 4.3% C 2- The microstructure of Cast iron with 3.5% C. 3- Find the melting point and microstructure of steel with 0.83% C 4- Define the temperature range for Acm temperature. 5- Find the AC3, Ac¡ temperature of steel with 0.45% C 6- The Liquid and Austinite percent with chemical composition for cast iron with 2.3% C at 1300°Carrow_forwardQ3 (a) Three plain-carbon steel types are: eutectoid, hypoeutectoid, and hypereutectoid can be seen in the Iron-Carbon phase diagram as shown in Figure Q3(a). Explain the effect of heating to 780 °C and slow cooling to 650 °C on these material types for the carbon weight percentages of 0.4%, 0.8% and 1.2%.. (i) (ii) Draw the effect of temperature on the microstructure of one plain carbon steel tvpe. (1539* C) 2902 F 2554 F Liquid L+ Austenite L+Cementite Austenite 2065 "F (1130 C) Eutectic (Ledeburite) Aus, + Ferrite Austenite + Cementite (908* C) 1666* F 1333 F (723 C) K. Eutectoid (pearlite) Ferrite Ferrite + Cementite 0.8 2.0 4.3 6.67 Fe,C Percent carbon by weight Hypo- eutectoid Hyper- eutectoid Hypoeutectio - Hypereutectic Steels Castirons Figure Q3(a) Temperature, Farrow_forward
- Write down the percentage of C and other alloying elements of the steel given the short designations 10CrMo910 and 45CrVMoW58arrow_forwardWhat is the% C ratio of two different steels with 80% and equal austenite content at 724 C? please explain how to calculatearrow_forward1. What distinguishing features do eutectoid and martensitic transformations in steel have? Compare and contrast them in brief.arrow_forward
- What are they and what is their application in the production of the following steel: TTT diagrams. Steel Concentration Eutectoidarrow_forwardUsing the TTT diagram for eutectoid steel, draw the specified cooling path on the diagram. Indicate what phases you expect in the final product with percentage of each phase. Assume the material has been fully austenitized before cooling. a. Water cool to room temperature b. Hot quench in molten salt to 690°C and then cooled isothermally for 2 hours: c. Hot quench to 610°C hold 3 minutes and water quencharrow_forwardTo what temperature should hypoeutectoid plain carbon steel be heated for hardening purposes according to the iron carbon diagram?arrow_forward
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