MSE405-505 2013C Problem Set 1

MSE405-505 2013C Problem Set 1 - MSE/MEAM 405/505 FALL 2013...

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MSE/MEAM 405/505 F ALL 2013 M ECHANICAL B EHAVIOR OF M ACRO /N ANOSCALE M ATERIALS U NIVERSITY OF P ENNSYLVANIA P ROBLEM S ET #1 - DUE WEDNESDAY, SEPTEMBER 18 HAND IN AT BEGINNING OF CLASS NOTES:’Please’write’clearly,’show’all’of’your’steps,’and’comment’with’text ’ to’demonstrate’your’ approach.’Also,’remember’that’we’encourage’forming’groups’to’discuss’the’course’concepts’and’ general’problem -solving’strategy,’but’your’final’solution’must’show’your’individual’work. ’ List’any’ classmates’that’you’collaborated’with’on’ your’problem’set .’ 1. Dieter,’problem’8 -6.’ 2. Dieter,’problem’8 -9.’ 3. Derive’the’relationship’for’the’toughness’of’a’material’whose’true’stress -strain’curve’obeys’the’ flow’curve’ σ = K ε n .’Show’what’your’result’represents’graphically’on’a’stress -strain’curve. ’ 4.
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