Chap 11 Solns-6E - CHAPTER 11 APPLICATIONS AND PROCESSING...

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CHAPTER 11 APPLICATIONS AND PROCESSING OF METAL ALLOYS PROBLEM SOLUTIONS 11.3 Ferritic and austenitic stainless steels are not heat treatable since "heat treatable" is taken to mean that martensite may be made to form with relative ease upon quenching austenite from an elevated temperature. For ferritic stainless steels, austenite does not form upon heating, and, therefore, the austenite-to-martensite transformation is not possible. For austenitic stainless steels, the austenite phase field extends to such low temperatures that the martensitic transformation does not occur. 11.13 Rivets of a 2017 aluminum alloy must be refrigerated before they are used because, after being solution heat treated, they precipitation harden at room temperature. Once precipitation hardened, they are too strong and brittle to be driven. 11.27 This question asks that we cite the temperature range over which it is desirable to austenitize several iron-carbon alloys during a normalizing heat treatment. (a)
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This note was uploaded on 08/30/2011 for the course EGN 3365 taught by Professor Staff during the Spring '11 term at University of Florida.

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Chap 11 Solns-6E - CHAPTER 11 APPLICATIONS AND PROCESSING...

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