Q6/ A. Show how the precipitation heat treatment of precipitation hardenable alloysdiffers from dispersion hardening process of composite material.B. What are the main constitutes of composite materials and what are the roles of eachconstitute?

Question 1a) Precipitation Hardening The body of automobiles and airplanes are mostly made of…

Answered: Q6/ A. Show how the precipitation heat…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Briefly 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?
A nitriding heat treatment of a BCC steel normally requires 2 h at 600 °C. What temperature would be required to reduce the heat treatment time to 1 h?(Q =76570 J/mol, Do =0.0047x10- 4 m2/s) and the last one. thanks for ur helping.
In the present figure: compare between the alloy number 1 (0.4% C) and 2 (1.2% C) regarding: A. The expected mechanical properties of the two alloys (with explanation). B. .The range of applications for these alloys. C. The stages of annealing treatments Including: 1) Softening. 2) Spheroidizing. 3) Grain Size Reducing... 1 2 I p+ Fe,C a + p
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In the present figure: compare between the alloy number 1 (0.4% C) and 2 (1.2% C) regarding: A. The expected mechanical properties of the two alloys (with explanation). B. .The range of applications for these alloys. C. The stages of annealing treatments Including: 1) Softening. 2) Spheroidizing. 3) Grain Size Reducing.. 1 a + P P+ Fe,C
A nitriding heat treatment of a BCC steel normally requires 2 h at 600 °C. What temperature would be required to reduce the heat treatment time to 1 h?(Q =76570 J/mol, Do =0.0047x10- 4 m2/s)
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Copper-rich copper-beryllium alloys are precipitation hardenable. After consulting the portion of the phase diagram shown in Figure below, do the following: Composition (at% Be) 10 15 20 Liquid 1000 866°C 800 -620°C 600 a+ 400 2 3. (Cu) Composition (wt% Bo) (1) Indicate the range of compositions over which these alloys be precipitation hardened. (ii) Describe the heat-treatment procedures (in terms of temperatures) that would be used to precipitation harden an alloy having a composition of your choosing but lying within the range given for part (i). Temperature ("O
Below is shown the isothermal transformation diagram for a 0.45 wt% C iron-carbon alloy. List the microconstituent(s) present for the heat treatment labeled (a)-(c) on this diagram. It is not necessary to state the proportion(s) of the microconstituents. I would love an explaiation aswel on how i whould read this diagram. Thanks
1. Why does the tensile strength of steel, which contains only austenite at room temperature, differ fromsteel that shows only pearlite in its microstructure? Give two important reasons for the difference. 2. What general prerequ_isites exist for the formation of martensite in steel? 3. What is an isothermal transformation of a material in the solid state condition? 4. Draw a typical isothermal transformation diagram for plain .carbon eutectoid steel and indicate thevarious decomposition products expected by simple diagrammatic drawing.
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According to Reference [1], alloys of nickel (Ni) and tungsten (W) are can form substitutional solid solutions up to approximately 11 at% W. Consider two different alloy compositions: Ni-5W (5 at% W) and Ni-10.5W (10.5 at% W). A. Which composition should be more ductile? B. Which composition should be stronger? C. Using the oy~ C¹/2 relationship from the lecture slides, how many times larger should the yield strength be for Ni-10.5W compared to Ni-5W? D. Where should the tungsten atoms sit relative to the dislocation on or opposite the side with the extra half-plane? You will need information from Appendixes of the textbook.

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Q6/ A. Show how the precipitation heat treatment of precipitation hardenable alloys differs from dispersion hardening process of composite material. B. What are the main constitutes of composite materials and what are the roles of each constitute?