3rd_week - Process Design in Metal Forming + 2010 1r...

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+ ± ±±± ±± 3/24/10 ½ ª Process Design in Metal Forming 2010 1 r M etal F ormin GL ab. INHA UNIVERSITY
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3/24/10 Introduction Instructor : , 2N 104 Ý { ½ ª * Tel : 032-860-8714 E-mail : jhnoh@inha.ac.kr Text book : Reference : (1) W. F. Hosford, R. M. Caddell, Metal Forming- Mechanics and Metallurgy, Prentice Hall (2) S. Kobayashi, S. I. Oh, Metal Forming and the Finite Element Method, Oxford Series M etal F ormin GL ab. INHA UNIVERSITY Process Design in Metal Forming 2010 1st Term
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3/24/10 Definition of Subject M etal F ormin GL ab. INHA UNIVERSITY Process Design in Metal Forming 2010 1st Term `  I P  ‰ *   8 n . ± ² ² ² (elastic) - , X  “ * ¤ ³ { (viscoelastic) - , ¨ Ü {   ª * (plastic) - plastikos? X ‚ • ½   - , ,
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3/24/10 Macroscopic Characteristics of Metal M etal F ormin GL ab. INHA UNIVERSITY Process Design in Metal Forming 2010 1st Term 1. Uniaxial Tension Test Nominal stress, Nominal strain 0 0 0 ˆ , ˆ l l l A P - = = ε σ Fig. 1.1 Stress-strain curve under uniaxial loading: (a) mild steel; (b) aluminum
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3/24/10 Macroscopic Characteristics of Metal
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3rd_week - Process Design in Metal Forming + 2010 1r...

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