Lec 6 - ENGR 4250 ENGR 4250 – dvanced Materials...

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Unformatted text preview: ENGR 4250 ENGR 4250 – dvanced Materials Engineering dvanced Materials Engineering Advanced Materials Engineering Advanced Materials Engineering cture 6 cture 6 Lecture 6 Lecture 6 Material Selection Material Selection Instructor: Ghaus Rizvi Bonus Quiz Grading (25) Æ (2) hi h i th ht t l t? 1) • Which is the lightest element? (H=1) • Which are the two most abundant elements in the niverse? =2; He=4) Universe? (H=2; He=4) • Which are the two most abundant elements in the arth’s Crust? =2; Si=4) Earth s Crust? (O=2; Si=4) • Which is the lightest metal? (Li=3) hich metal has the ighest strength to weight • Which metal has the highest strength to weight ratio? (Ti=4) ttendance =5 • Attendance =5 Screw Driver Classes of Property • Economic: Price and availability, recyclability • eneral Physical: ensity General Physical: Density • Mechanical: Modulus, Yield and tensile strength, Hardness, Fracture toughness, Fatigue strength, Creep strength, Damping....
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Lec 6 - ENGR 4250 ENGR 4250 – dvanced Materials...

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