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 |  موضوع: كتاب Metal Forming Mechanics and Metallurgy الخميس 22 مارس 2012, 8:33 pm | |
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Metal Forming Mechanics and Metallurgy
ويتناول الموضوعات الأتية :
Stress and Strain
Stress
Stress transformation
Principal stresses
Mohr’s circle equations
Strain
Small strains
The strain tensor
Isotropic elasticity
Strain energy
Force and moment balances
Boundary conditions
NOTES OF INTEREST
REFERENCES
APPENDIX – EQUILIBRIUM EQUATIONS
PROBLEMS
Plasticity
Yield criteria
Tresca criterion
Von Mises criterion
Plastic work
Effective stress
Effective strain
Flow rules
Normality principle
Derivation of the von Mises effective strain
NOTES OF INTEREST
REFERENCES
PROBLEMS
Strain Hardening
The tension test
Elastic–plastic transition
Engineering vs true stress and strain
A power-law expression
Other strain hardening approximations
Behavior during necking
Compression testing
Bulge testing
Plane-strain compression
Torsion testing
NOTE OF INTEREST
REFERENCES
PROBLEMS
Instability
Uniaxial tension
Effect of inhomogeneities
Balanced biaxial tension
Pressurized thin-wall sphere
Significance of instability
NOTE OF INTEREST
REFERENCES
PROBLEMS
Temperature and Strain-Rate Dependence
Strain rate
Superplasticity
Effect of inhomogeneities
Combined strain and strain-rate effects
Alternative description of strain-rate dependence
Temperature dependence of flow stress
Deformation mechanism maps
Hot working
Temperature rise during deformation
NOTES OF INTEREST
REFERENCES
PROBLEMS
Work Balance
Ideal work
Extrusion and drawing
Deformation efficiency
Maximum drawing reduction
Effects of die angle and reduction
Swaging
REFERENCES
PROBLEMS
Slab Analysis and Friction
Sheet drawing
Wire and rod drawing
Friction in plane-strain compression
Sticking friction
Mixed sticking–sliding conditions
Constant shear stress interface
Axially symmetric compression
Sand-pile analogy
Flat rolling
Roll flattening
Roll bending
Coining
Dry friction
Lubricants
Experimental findings
Ring friction test
REFERENCES
PROBLEMS
Upper-Bound Analysis
Upper bounds
Energy dissipation on plane of shear
Plane-strain frictionless extrusion
Plane-strain frictionless indentation
Plane-strain compression
Another approach to upper bounds
Combined upper-bound analysis
Plane-strain drawing
Axisymmetric drawing
REFERENCES
PROBLEMS
Slip-Line Field Analysis
Introduction
Governing stress equations
Boundary conditions
Plane-strain indentation
Hodographs for slip-line fields
Plane-strain extrusion
Energy dissipation in a slip-line field
Metal distortion
Indentation of thick slabs
Plane-strain drawing
Constant shear–stress interfaces
Pipe formation
NOTES OF INTEREST
REFERENCES
APPENDIX
PROBLEMS
Deformation-Zone Geometry
The parameter
Friction
Redundant deformation
Inhomogeneity
Internal damage
Residual stresses
Comparison of plane-strain and axisymmetric deformation
NOTE OF INTEREST
REFERENCES
PROBLEMS
Formability
Ductility
Metallurgy
Ductile fracture
Hydrostatic stress
Bulk formability tests
Formability in hot working
NOTE OF INTEREST
REFERENCES
PROBLEMS
Bending
Sheet bending
Bending with superimposed tension
Neutral axis shift
Bendability
Shape bending
Forming limits in bending
NOTE OF INTEREST
REFERENCES
PROBLEMS
Plastic Anisotropy
Crystallographic basis
Measurement of R
Hill’s anisotropic plasticity theory
Special cases of Hill’s yield criterion
Nonquadratic yield criteria
Calculation of anisotropy from crystallographic considerations
NOTE OF INTEREST
REFERENCES
PROBLEMS
Cupping, Redrawing, and Ironing
Cup drawing
Anisotropic effects in drawing
Effects of strain hardening in drawing
Analysis of assumptions
Effects of tooling on cup drawing
Earing
Redrawing
Ironing
Residual stresses
NOTES OF INTEREST
REFERENCES
PROBLEMS
Forming Limit Diagrams
Localized necking
Forming limit diagrams
Experimental determination of FLDs
Calculation of forming limit diagrams
Factors affecting forming limits
Changing strain paths
Stress-based forming limits
NOTE OF INTEREST
REFERENCES
PROBLEMS
Stamping
Stamping
Draw beads
Strain distribution
Loose metal and wrinkling
Flanging
Springback
Strain signatures
Tailor-welded blanks
Die design
Toughness and sheet tearing
General observations
NOTES OF INTEREST
REFERENCES
PROBLEMS
Other Sheet-Forming Operations
Roll forming
Spinning
Hydroforming of tubes
Free expansion of tubes
Hydroforming into square cross section
Bent sections
Shearing
REFERENCES
PROBLEMS
Formability Tests
Cupping tests
LDH test
Post-uniform elongation
OSU formability test
Hole expansion
Hydraulic bulge test
Duncan friction test
REFERENCES
PROBLEMS
Sheet Metal Properties
Introduction
Surface appearance
Strain aging
Aluminum-killed steels
Interstitial-free steels
HSLA steels
Dual-phase and complex-phase steels
Transformation-induced plasticity (TRIP) steels
Martensitic steels
Trends
Special sheet steels
Surface treatment
Stainless steels
Aluminum alloys
Copper and brass
Hexagonal close-packed metals
Tooling
Product uniformity
NOTES OF INTEREST
REFERENCES
PROBLEMS
Index
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عدل سابقا من قبل أحمد دعبس في الجمعة 04 يناير 2013, 5:47 pm عدل 2 مرات |
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أحمد علي الحارثي
مهندس فعال
عدد المساهمات : 238
تاريخ التسجيل : 02/10/2012
| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الأربعاء 03 أكتوبر 2012, 8:36 pm | |
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hussein kaspr
مهندس تحت الاختبار
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تاريخ التسجيل : 27/09/2012
| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الأربعاء 03 أكتوبر 2012, 8:50 pm | |
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شكرا يا بشمهندس احمد وجزاك الله كل خير بس الرابط لا يعمل |
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Admin
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تاريخ التسجيل : 01/07/2009
| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الأربعاء 03 أكتوبر 2012, 8:54 pm | |
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rambomenaa
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| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الخميس 04 أكتوبر 2012, 8:52 am | |
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احمد الصعيدى
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| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الخميس 04 أكتوبر 2012, 1:18 pm | |
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Admin
مدير المنتدى
عدد المساهمات : 18717
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تاريخ التسجيل : 01/07/2009
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| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الخميس 04 أكتوبر 2012, 3:10 pm | |
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mahammad
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| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الجمعة 04 يناير 2013, 5:18 pm | |
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Admin
مدير المنتدى
عدد المساهمات : 18717
التقييم : 34685
تاريخ التسجيل : 01/07/2009
الدولة : مصر
العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy الجمعة 04 يناير 2013, 5:46 pm | |
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- mahammad كتب:
- شكرا على الكتاب القيم
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ahmedelmisery
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| | موضوع: رد: كتاب Metal Forming Mechanics and Metallurgy السبت 05 يناير 2013, 8:19 am | |
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