Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 16.13, Problem 43KCP
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What are the elements found in the alnico magnetic material?
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a) Draw the hysteresis curves for a hard and a soft magnetic material. Label the axes and describe how you can get information about the saturation magnetisation, remanence and coercivity from the graphs.
b) Which of the two materials would you use as a fridge magnet? Explain
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2. Explain the magnetic classification of materials
Chapter 16 Solutions
Foundations of Materials Science and Engineering
Ch. 16.13 - Prob. 1KCPCh. 16.13 - Prob. 2KCPCh. 16.13 - Prob. 3KCPCh. 16.13 - Prob. 4KCPCh. 16.13 - What is the relationship between B and H?Ch. 16.13 - Prob. 6KCPCh. 16.13 - Prob. 7KCPCh. 16.13 - Prob. 8KCPCh. 16.13 - Prob. 9KCPCh. 16.13 - Prob. 10KCP
Ch. 16.13 - Prob. 11KCPCh. 16.13 - Prob. 12KCPCh. 16.13 - Prob. 13KCPCh. 16.13 - Prob. 14KCPCh. 16.13 - Prob. 15KCPCh. 16.13 - Prob. 16KCPCh. 16.13 - Prob. 17KCPCh. 16.13 - Prob. 18KCPCh. 16.13 - Prob. 19KCPCh. 16.13 - Prob. 20KCPCh. 16.13 - Prob. 21KCPCh. 16.13 - Prob. 22KCPCh. 16.13 - Prob. 23KCPCh. 16.13 - Prob. 24KCPCh. 16.13 - Prob. 25KCPCh. 16.13 - Prob. 26KCPCh. 16.13 - Prob. 27KCPCh. 16.13 - Prob. 28KCPCh. 16.13 - Prob. 29KCPCh. 16.13 - Prob. 30KCPCh. 16.13 - Prob. 31KCPCh. 16.13 - Prob. 32KCPCh. 16.13 - Prob. 33KCPCh. 16.13 - Prob. 34KCPCh. 16.13 - Prob. 35KCPCh. 16.13 - What are eddy currents? How are they created in a...Ch. 16.13 - Prob. 37KCPCh. 16.13 - Prob. 38KCPCh. 16.13 - Prob. 39KCPCh. 16.13 - Prob. 40KCPCh. 16.13 - What compositions of NiFe alloys are especially...Ch. 16.13 - Prob. 42KCPCh. 16.13 - Prob. 43KCPCh. 16.13 - Prob. 44KCPCh. 16.13 - Prob. 45KCPCh. 16.13 - Prob. 46KCPCh. 16.13 - Prob. 47KCPCh. 16.13 - Prob. 48KCPCh. 16.13 - Prob. 49KCPCh. 16.13 - Prob. 50KCPCh. 16.13 - Prob. 51KCPCh. 16.13 - Prob. 52KCPCh. 16.13 - Prob. 53KCPCh. 16.13 - Prob. 54KCPCh. 16.13 - Prob. 55KCPCh. 16.13 - Prob. 56KCPCh. 16.13 - Prob. 57KCPCh. 16.13 - Prob. 58KCPCh. 16.13 - Prob. 59KCPCh. 16.13 - Prob. 60KCPCh. 16.13 - Prob. 61KCPCh. 16.13 - Prob. 62AAPCh. 16.13 - Prob. 63AAPCh. 16.13 - Prob. 64AAPCh. 16.13 - Prob. 65AAPCh. 16.13 - Prob. 66AAPCh. 16.13 - Gadolinium at very low temperatures has an average...Ch. 16.13 - Prob. 68AAPCh. 16.13 - Prob. 69AAPCh. 16.13 - Prob. 70AAPCh. 16.13 - Prob. 71AAPCh. 16.13 - Prob. 72AAPCh. 16.13 - Prob. 73AAPCh. 16.13 - Prob. 74AAPCh. 16.13 - Prob. 75AAPCh. 16.13 - Draw a hysteresis B-H loop for a ferromagnetic...Ch. 16.13 - Describe what happens to the magnetic induction...Ch. 16.13 - What happens to the magnetic domains of a...Ch. 16.13 - What are desirable magnetic properties for a soft...Ch. 16.13 - What are hysteresis energy losses? What factors...Ch. 16.13 - How does the AC frequency affect the hysteresis...Ch. 16.13 - How can eddy currents be reduced in metallic...Ch. 16.13 - Why does the addition of 3% to 4% silicon to iron...Ch. 16.13 - What disadvantages are there to the addition of...Ch. 16.13 - Why does a laminated structure increase the...Ch. 16.13 - Prob. 86AAPCh. 16.13 - Prob. 87AAPCh. 16.13 - Prob. 88AAPCh. 16.13 - Prob. 89AAPCh. 16.13 - Prob. 90AAPCh. 16.13 - Prob. 91AAPCh. 16.13 - Prob. 92AAPCh. 16.13 - Prob. 93AAPCh. 16.13 - Prob. 94AAPCh. 16.13 - Prob. 95AAPCh. 16.13 - Prob. 96AAPCh. 16.13 - Prob. 97AAPCh. 16.13 - Prob. 98AAPCh. 16.13 - Prob. 99AAPCh. 16.13 - Prob. 100AAPCh. 16.13 - Prob. 101AAPCh. 16.13 - Prob. 102AAPCh. 16.13 - Prob. 103SEPCh. 16.13 - Prob. 104SEPCh. 16.13 - Prob. 105SEPCh. 16.13 - Prob. 106SEP
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- b. Compare (any three points) the hard and soft magnetic materials? Mention two applications of hard and soft magnets.arrow_forwardDC and AC Subject: Find the relative permeability of the typical ferromagnetic material whose magnetization curve is shown. H = 50, 100, 500 and 1000 A-turns/m. Answer these: H = 100, 500, and 1000 A-turns/narrow_forwardA magnetic actuator is expected to operate at 400°C.a) Using a clearly labelled diagram, describe the effect of temperature onsaturation magnetization. b) From the table above, suggest a material that could be used to make themagnetic actuator. Explain.arrow_forward
- DC and AC subject: Find the relative permeability of the typical ferromagnetic material whose magnetization curve is shown. H = 50, 100, 500 and 1000 A-turns/m.arrow_forwardHow can you extract information on saturation magnetization, remanence and coercitivity from a hysteresis graph?arrow_forward11- Non Ferrous Metals possess High Electrical insulation properties? Select one: True Falsearrow_forward
- Distinguish elastic, electrical and magnetic hysteresis in different materials.arrow_forwardWhat determines the strength of the magnetic field when current flows through a conductor?arrow_forwardThe south pole of one magnet is brought close to the south pole of another magnet. Will the magnets repel or attract each other?arrow_forward
- Referring to Figure 26-20, above what temperature is a 0.1 iron-carbon alloy nonmagnetic?arrow_forwardWith the aid of diagram Define an electromagnet? Explain with the aid of diagram how electromagnetisms work? Explain with the aid of diagram what do you mean by right hand rule? Give some strength of electromagnetic fields. What do you mean by electromagnetic induction? Explain with the aid of diagram what is an electromagnetic wave? State the applications of electromagnetism.arrow_forwardWhich of the following piezoelectric materials has the highest piezoelectric constant?arrow_forward
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