Outline Introduction Processing maps Elements of plastic theory Plastic deformation mechanism Recovery recrystallization
Outline Processing maps Plastic deformation mechanism Elements of plastic theory Recovery & recrystallization Introduction
上清充通大￥ SANCEAI JUO TO阳UY Introduction Processing maps Introduction Stress Elements of plastic theory Equilibrium Equations Plastic deformation mechanism Strain Recovery recrystallization Yielding crietria Stress-strain relations Equivalent stress
Introduction Plastic deformation mechanism Recovery & recrystallization Elements of plastic theory Introduction Stress Equilibrium Equations Strain Yielding crietria Stress‐strain relations Equivalent stress 1 1 1 1 Processing maps 1
Reference books 上清文通大￥ SHEAMGHAI DUD TONO UHTVEREETTY .Mechanical Metallurgy* George E Dieter McGraw-Hill Book Company,London(1988) Metal Forming Mechanics and Metallurgy (further reading) William F.Hosford and Robert M.Caddell Cambridge University Press,3rd Edition(2007) Institute of Forming Technology Equipment 41
Institute of Forming Technology & Equipment Reference books 4 • Mechanical Metallurgy * George E Dieter McGraw‐Hill Book Company, London (1988) • Metal Forming Mechanics and Metallurgy (further reading) William F. Hosford and Robert M. Caddell Cambridge University Press,3rd Edition (2007)
Introduction 上清充通大￥ SHEAMGHAI DUD TONO UHTVEREETTY Rolling of sections Plastic deformation: external force the stress and strain Stage 1 Stage 2 Stage 3 Rolling of sections Blooming rolls Edging rolls Roughing horizontal and vertical rolls Stage 4 Stage 5 Stage 6 Intermediate horizontal Edging rolls Finishing horizontal and vertical rolls and vertical rolls Institute of Forming Technology Equipment 5
Institute of Forming Technology & Equipment Introduction Rolling of sections 5 • Plastic deformation: external force the stress and strain Rolling of sections
Introc'---*:-- 上善室五大滓 Effective Strain(-1) Forging 398.5 378.5- 358.5 338.5- 318.5- 298.5- 278.5- 258.5- 238.5- 218.5 198.5- 1785- 158.5- 138.5- 118.5 98.5 78.5- 58.5 38.5- 18.5- -15 -21.5- 41.5- 61.5- -182.4 -824 17.6 117.6 217.6
Institute of Forming Technology & Equipment Introduction Forging 6