Chap+1+Posting - MSE 220 Introduc0on to Materials and...

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Unformatted text preview: MSE 220: Introduc0on to Materials and Manufacturing J. Wayne Jones Arthur F. Thurnau Professor Materials Science & Engineering [email protected] 205 UM‐SJTU Joint Ins0tute Mr. Gao Zhiguo Ph.D Student [email protected] Department of Materials Science Shanghai Jiao Tong University Resources •  Abbreviated Lectures Posted to Sakai •  Homework Solu0ons Posted •  Professor Jones’ Office Hours •  Mr. Gao’s Office Hours •  Exam Review Sessions Grading •  Homework (once a week) •  Quizzes ( `) •  Exam 1 (10/6) •  Exam 2 (11/5) •  Exam 3 (12/12) 15% 10% 25% 25% 25% Regrades: If you believe that a quiz or exam ques0on was graded inappropriately, please submiced a typed memo explaining your concern. The deadline for the regrade memo is one week ader the quiz/test is returned. What is Materials Science? •  Introductory course to engineering materials. Proper0es (mechanical, thermal and electronic) of metals, polymers, ceramics, and electronic materials. Correla0ons of these proper0es with : •  their internal structures (atomic, molecular, crystalline, Micro‐ and macro) •  service condi0ons (mechanical, thermal, chemical, electrical, magne0c, and radia0on) •  processing. The History of Civiliza4on is a Story of Materials Discovery, Inven4on and Use •  From the stone age to the iron and bronze ages we characterize our command of nature by the materials we use. •  Now in the era of high strength steel skyscrapers, high tech Shanghai, space travel (China), nanomaterials, biomaterials, energy materials •  Materials ENABLES progress and helps solve BIG problems Structure, Processing, & Proper0es (d) 600 500 Hardness (BHN) (c) (a) 30µm 30µm 400 300 200 (b) 4 µm 30µm Data obtained from Figs. 10.21(a) and 10.23 with 4wt%C composition, and from Fig. 11.13 and associated discussion, Callister 6e. Micrographs adapted from (a) Fig. 10.10; (b) Fig. 9.27;(c) Fig. 10.24; and (d) Fig. 10.12, Callister 6e. 100 0.01 0.1 1 10 100 1000 Cooling Rate (C/s) Engines: Boeing 747‐400, Leaving North American Con0nent on Enroute to Shanghai‐May 1, 2009 Engines: Boeing 747‐400, Aleu0an Islands May 1, 2009 Why does ice float??? The Materials Selec0on Process Materials selec0on in the auto industry Course Goals ...
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