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 |  موضوع: كتاب Materials Selection In Mechanical Design السبت 07 يوليو 2012, 11:08 pm | |
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Materials Selection In Mechanical Design
ويتناول الموضوعات الأتية :
1 Introduction
1.1 Introduction and synopsis
1.2 Materials in design
1.5 Summary and conclusions
1.6 Further reading
The evolution of engineering materials
The evolution of materials in vacuum cleaners
2 The design process
2.1 Introduction and synopsis
2.2 The design process
2.3 Types of design
2.7 Summary and conclusions
2.8 Further reading
Design tools and materials data
Function, material, shape and process
Devices to open corked bottles
3 Engineering materials and their properties 20
3. I Introduction and synopsis 20
3.4 Summary and conclusions 31
3.5 Further reading 31
32The classes of engineering material
The definitions of material properties
4.1 Introduction and synopsis 32
4.2 Displaying material properties 32
4.3 The material property charts 36
4.4 Summary and conclusions 63
4.5 Further reading
5 Materials selection - the basics
5.1 Introduction and synopsis
5.2 The selection strategy
5.4 The selection procedure
5.5 The structural index
5.6 Summary and conclusions
5.7 Further reading
Deriving property limits and material indices
6 Materials selection - case studies
Introduction and synopsis
Materials for oars
Mirrors for large telescopes
Materials for table legs
Cost - structural materials for buildings
Materials for flywheels
Materials for high-flow fans
Golf-ball print heads
Materials for springs
Elastic hinges
Materials for seals
Diaphragms for pressure actuators
Knife edges and pivots
Deflection-limited design with brittle polymers
Safe pressure vessels
Stiff, high damping materials for shaker tables
Insulation for short-term isothermal containers
Energy-efficient kiln walls
Materials for passive solar heating
Materials to minimize thermal distortion in precision devices
Ceramic valves for taps
Nylon bearings for ships’ rudders
Summary and conclusions
Further reading
7 Selection of material and shape
7.1 Introduction and synopsis
7.2 Shape factors
7.3 The efficiency of standard sections
7.4 Material limits for shape factors
7.5 Material indices which include shape
7.7 Co-selecting material and shape
7.8 Summary and conclusions
7.9 Further reading
The efficiency of standard sections
Material limits for shape factors
Material indices which include shape
The microscopic or micro-structural shape factor
Appendix: geometric constraints and associated shape factors
8 Shape - case studies
8.1 Introduction and synopsis
8.2 Spars for man-powered planes
8.3 Forks for a racing bicycle
8.4 Floor joists: wood or steel?
8.5 Increasing the stiffness of steel sheet
8.6 Ultra-efficient springs
8.7 Summary and conclusions
9 Multiple constraints and compound objectives
9.1 Introduction and synopsis
9.3 The method of weight-factors
9.4 Methods employing fuzzy logic
9.7 Summary and conclusions
9.8 Further reading
Selection by successive application of property limits and indices
Systematic methods for multiple constraints
Compound objectives, exchange constants and value-functions
10 Case studies: multiple constraints and compound objectives
10.1 Introduction and synopsis
10.6 Summary and conclusions
Multiple constraints - con-rods for high-performance engines
Multiple constraints - windings for high field magnets
Compound objectives - materials for insulation
Compound objectives - disposable coffee cups
11 Materials processing and design
1 1.1 Introduction and synopsis
1 1.3 Process attributes
1 1.4 Systematic process selection
1 1.5
11.6 Ranking: process cost
1 1.7 Supporting information
11.8 Summary and conclusions
11.9 Further reading
Processes and their influence on design
Screening: process selection diagrams
12 Case studies: process selection
12.1 Introduction and synopsis
12.2 Forming a fan
12.3 Fabricating a pressure vessel
12.5 Forming ceramic tap valves
12.6 Economical casting
Forming a silicon nitride micro-beam
Computer-based selection - a manifold jacket
12.9 Summary and conclusions
12.10 Further reading
Computer-based selection - a spark plug insulator
13 Data sources
13.1 Introduction and synopsis
13.2 Data needs for design
13.6 Summary and conclusions
13.7 Further reading
Screening: data structure and sources
Further information: data structure and sources
Ways of checking and estimating data
Appendix: data sources for material and process attributes
14 Case studies: use of data sources
14.1 Introduction and synopsis
14.2 Data for a ferrous alloy - type 302 stainless steel
14.3 Data for a non-ferrous alloy - A1-Si die-casting alloys
14.4 Data for a polymer - polyethylene
14.5 Data for a ceramic - zirconia
14.6 Data for a glass-filled polymer - nylon 30% glass
14.7 Data for a metal-matrix composite (MMC) - Ai/SiC,
14.8 Data for a polymer-matrix composite - CFRP
14.9 Data for a natural material - balsa wood
14.10 Summary and conclusions
14.1 1 Further reading
15 Materials, aesthetics and industrial design
15.1 Introduction and synopsis
15.2 Aesthetics and industrial design
15.3 Why tolerate ugliness? The bar code
15.4 The evolution of the telephone
15.5 The design of hair dryers
15.6 The design of forks
15.7 Summary and conclusions
15.8 Further reading
16 Forces for change
16.1 Introduction and synopsis
16.3 The science-push: curiosity-driven research
16.6 Summary and conclusions
16.7 Further reading
The market pull: economy versus performance
Materials and the environment: green design
The pressure to recycle and reuse
APPENDIX A: Useful solutions to standard problems
A.2 Moments of sections
A.3 Elastic bending of beams
A.6 Torsion of shafts
A.7 Static and spinning discs
A.8 Contact stresses
A.9 Estimates for stress concentrations
A. 10 Sharp cracks
A. 1 I Pressure vessels
A.12 Vibrating beams, tubes and discs
A.13 Creep and creep fracture
A. 14 Flow of heat and matter
A.15 Solutions for diffusion equations
A. 16 Further reading
Constitutive equations for mechanical response
Failure of beams and panels
Buckling of columns and plates
APPENDIX B: Material indices
APPENDIX C: Material and process selection charts
C. 1 Introduction
C.2 The materials selection charts
Young’s modulus, E against density, p
Strength, of, against density, p
Fracture toughness, KI,, against density, p
Young’s modulus, E, against strength, of
Specific modulus, E/p, against specific strength, of / p
Fracture toughness, KI,, against Young’s modulus, E
Fracture toughness, KI~.a, gainst strength, o,f
Loss coefficient, q, against Young’s modulus, E
Thermal conductivity, h, against thermal diffusivity, a
T-Expansion coefficient, a, against T-conductivity, h
Linear thermal expansion, a, against Young’s modulus, E
Normalized strength, or/E, against linear expansion coeff., a
Strength-at-temperature, a(T), against temperature, T
Young’s modulus, E, against relative cost, CRP
Strength, of, against relative cost, C R ~
Dry wear rate against maximum bearing pressure, P,,,
Young’s modulus, E, against energy content, qp
Strength, of, against energy content, qp
C.3 The process-selection charts
The material-process matrix
Hardness, H , against melting temperature, T,
Volume, V, against slenderness, S
The shape classification scheme
Chart €3: The shape-process matrix
Complexity against volume, V
Tolerance range, T, against RMS surface roughness, R
APPENDIXD : Problems
D1 Introduction to the problems
D4 Selection with multiple constraints
D5 Selecting material and shape
D6 Selecting processes
D7 Use of data sources
D8 Material optimization and scale
Use of materials selection charts
Deriving and using material indices
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عدل سابقا من قبل أحمد دعبس في الإثنين 05 نوفمبر 2012, 6:41 am عدل 1 مرات |
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rambomenaa
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عدد المساهمات : 2041
التقييم : 3379
تاريخ التسجيل : 21/01/2012
العمر : 45
الدولة : مصر
العمل : مدير الصيانة بشركة تصنيع ورق
الجامعة : حلوان
| | موضوع: رد: كتاب Materials Selection In Mechanical Design الأحد 08 يوليو 2012, 9:02 am | |
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Admin
مدير المنتدى
عدد المساهمات : 18031
التقييم : 32887
تاريخ التسجيل : 01/07/2009
الدولة : مصر
العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| | موضوع: رد: كتاب Materials Selection In Mechanical Design الأحد 08 يوليو 2012, 12:02 pm | |
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Admin
مدير المنتدى
عدد المساهمات : 18031
التقييم : 32887
تاريخ التسجيل : 01/07/2009
الدولة : مصر
العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| | موضوع: رد: كتاب Materials Selection In Mechanical Design الإثنين 05 نوفمبر 2012, 6:41 am | |
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