The Science and Engineering of Materials (MindTap Course List)
7th Edition
ISBN: 9781305076761
Author: Donald R. Askeland, Wendelin J. Wright
Publisher: Cengage Learning
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Textbook Question
Chapter 14, Problem 14.3P
How much would 50 kg of the hypothetical alloy 5074-O cost in raw material prices using the estimates given Table 14-1?
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d) Write down the% C and the percentages of other alloying elements for the steel given a short designation as 45CrVMoW58.e) What is the% C ratio of two different steels with 80% and equal austenite content at 724 C?
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The Science and Engineering of Materials (MindTap Course List)
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- Write the percentage of% C and other alloying elements of the steel given a short designation as 45CrVMoW58.arrow_forwardA plain carbon steel contains 45 wt.% proeutectoid ferrite. What is the average carbon content in weight percent?arrow_forwardThese questions are based on a high carbon stell with a composition of 1.5%C and 98.5%Fe 1)Name the phases present and calculate the amounts of these phases just above the eutectoid temperature. 2)With equilibrium cooling just below the eutectoid temperature calculate the total ferrite.arrow_forward
- A 50 wt% Ni–50 wt% Cu alloy is slowly cooled from 1400°C (2550°F) to 1200°C (2190°F) (d) What is the composition of this last remaining liquid phase?arrow_forwardWhen alloys A, B, and C are gently cooled from 1000 o C in the following temperature ranges, sketch their microstructures. (equilibrium cooling). List every phase present in the microstructures. Comment on the constituent phases of the resulting alloy and its mechanical characteristics. Please keep it brief.arrow_forwardTo what temperature should hypoeutectoid plain carbon steel be heated for hardening purposes according to the iron carbon diagram?arrow_forward
- You are assured that a Pb-98.5%Sn alloy is good for a treatment of Aging, if we take that information as correct, will it be possible that an alloy Is Pb-10%Sn also very good for that treatment? Justify your answer.arrow_forward1. What temperature does a Fe-C metal with less than 4 weight percent C melt at? 2. What temperature does a Fe-C metal with less than two weight percent C melt at? 3. What climate causes delta-Fe to change into gamma-Fe? 4. What percentage of proeutectoid Fe 3C is present in a steel with 1.15 wt% carbon at 727.1 o C?arrow_forwardBriefly describe how precipitation hardening happens in Al alloys (how the microstructure evolves as annealing time increases). Why it first forms q” then q’ before q is finally formed? How does the alloy’s strength change during this process? What are the strengthening mechanisms?arrow_forward
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