prsm20 - 3 Many aerospace structures are designed to be...

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M20 Concept Question 1 Comment on your level of confidence to explain the phenomena and underlying mechanisms behind the following ideas to freshmen in 16.00? 1) Metals tend to be more susceptible to fatigue than glasses or ceramics . 2) Increasing the hardness of a metal (by peening, case-hardening) will often improve the fatigue life.
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Unformatted text preview: 3) Many aerospace structures are designed to be tolerant of the presence of cracks, and choice of the inspection intervals and NDE methods are included in the design process. (Damage-tolerant design) 1. Supremely confident 2. Somewhat confident 3. Could do it on a good day 4. Uncertain 5. Utterly confused...
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.

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