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E-raamat: Selecting Thermoplastics for Engineering Applications, Second Edition,

  • Formaat: 328 pages
  • Sari: Plastics Engineering
  • Ilmumisaeg: 26-Aug-2020
  • Kirjastus: CRC Press Inc
  • Keel: eng
  • ISBN-13: 9781000123944
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Selecting Thermoplastics for Engineering Applications, Second Edition,Suurem pilt
  • Formaat: 328 pages
  • Sari: Plastics Engineering
  • Ilmumisaeg: 26-Aug-2020
  • Kirjastus: CRC Press Inc
  • Keel: eng
  • ISBN-13: 9781000123944
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Reports on theory, experimentation, research, and procedures for simplifying the thermoplastic selection process and reducing production cost and time. Contains chapters on physical property and rheological property data, the injection molding process, roles of custom molders in resin selection, prototype parts, and estimating part costs. Reviews key engineering thermoplastics and ranks resins by various properties, and discusses effects of recycling on resin selection. Includes a glossary, and a list of suppliers of engineering plastics, plus b&w photos. This second edition discusses high-volume thermoplastics and newer modified resins, and describes computerized approaches to selecting resins, focusing on an expert system demonstration program called SELECTHER. Annotation c. by Book News, Inc., Portland, Or.

"Combines fundamental theory, systematic experimentation, disciplined research, and logical procedures to simplify the thermoplastic selection process as well as reduce production cost and time. Second Edition contains new features such as rheology property data, recycling in resin selection, and more and more."

Arvustused

"This is a useful book and will supplement the designer's knowledge and skills when trying to define the most suitable thermoplastics for a specific application. " ---Materials & Manufacture

Preface iii(2)
Acknowledgments v
1. Definition of Engineering Thermoplastic Resins
1(14)
Introduction
1(7)
Corrosion Resistance
6(1)
Light Weight
6(1)
Low Cost
6(1)
High Strength-to-Stiffness Ratio
7(1)
Design Flexibility
7(1)
Colorability
7(1)
Electrical Insulators
8(1)
Good Thermal Properties
8(1)
Transparency
8(1)
The Need for a Selection Process
8(7)
2. Beginning the Selection Process
15(16)
Information Needed to Begin the Process
15(3)
General Information
15(1)
Codes and Specifications
16(1)
Costs
16(1)
Environmental Considerations
16(1)
Mechanical Considerations
16(1)
Electrical Considerations
16(1)
Appearance Considerations
16(2)
Material Selection Factors
18(13)
Codes and Specifications
19(1)
Costs
20(1)
Service Environment
21(4)
Structural Properties
25(2)
Other Design Considerations
27(2)
Process Considerations
29(2)
3. Physical Property Data
31(28)
Introduction
31(2)
A Guide to Standard Physical Tests for Plastics
33(26)
Tensile Properties
33(3)
Flexural Properties
36(5)
Heat Deflection Temperature of Plastics Under Load
41(3)
Impact Resistance of Plastics (Izod Impact Test)
44(1)
Creep
45(7)
Fatigue
52(5)
Arc Resistance
57(1)
Dielectric Strength
58(1)
4. Rheological Property Data
59(24)
Introduction
59(2)
Complexities in Rheological Data Generation
61(2)
A Simplified Approach to Rheology
63(6)
Rheological Models for Unified Viscosity-MFI Curves
69(3)
Practical Applications of the Unification Technique
72(11)
Case Studies
76
5. The Injection-Molding Process
83(8)
Process Description
83(1)
Screw Injection Machine
84(7)
Hopper
84(1)
Hopper Dryer
85(1)
Barrel and Screw
86(1)
Nozzle
87(1)
Runners
87(1)
Gates
88(1)
Mold
88(3)
6. Kinds of Injection Molders
91(10)
The Captive Molder
91(1)
The Custom Molder
92(9)
Typical Custom Molder
92(1)
Cost of Manufacture (Excluding Materials)
93(2)
Expertise of the Custom Molder
95(1)
Mold Design and Operation
95(3)
Machine Operation
98(1)
Costs
98(1)
Sales
98(1)
Administrative
99(2)
7. Roles of Custom Molders in Resin Selection
101(6)
Servicing Large Organizations
101(1)
Servicing Smaller Organizations
102(5)
Personalities (Salesmanship)
103(1)
Material Supplier Performance
103(1)
Mold Shrinkage
104(1)
Economics
105(2)
8. Prototype Parts
107(8)
Introduction
107(1)
Comparison of Prototyping Methods
108(7)
Machining from Stock Shapes
108(1)
Molding in Temporary Prototype Molds
108(2)
Preproduction Tooling
110(2)
Molding in Die-Cast Molds
112(3)
9. Estimating Part Costs
115(6)
Introduction
115(1)
Example: Comparison of Estimated Part Costs
116(4)
Summary
120(1)
10. Review of Key Engineering Thermoplastics
121(32)
Compositions Selected for Individual Attention
121(32)
ABS
122(2)
Acetals
124(3)
Nylon 6
127(1)
Nylon 6/6
128(2)
Glass-Reinforced Nylons
130(2)
Mineral-Reinforced Nylons
132(3)
Toughened Nylon (Super Tough (R)
135(2)
Polycarbonate
137(3)
Glass-Reinforced Polycarbonate
140(1)
Polyphenylene Ether-Based Resin (Noryl(R))
141(1)
PPE-Based Resin-Glass Reinforced
142(2)
Polypropylene (Talc Filled)
144(1)
Polysulfone
145(3)
Thermoplastic Polyesters
148(5)
11. Ranking of Resins and Selection Process
153(30)
Introduction
153(5)
Ranking by Resistance to Chemicals and Solvents
158(1)
Ranking by Tensile Strength
159(1)
Ranking by Flexural Modulus (Stiffness)
159(3)
Ranking by Flexural Strength
162(1)
Ranking by Heat-Deflection Temperature
163(1)
Ranking by Toughness (Notched Izod)
163(2)
Ranking by Elongation at Break
165(1)
Ranking by Apparent (Creep) Modulus
166(2)
Ranking by Dielectric Strength
168(1)
Ranking by Arc Resistance
169(1)
Ranking by Specific Gravity
169(1)
Ranking by Typical Mold Shrinkage (and Effects on Warpage)
170(1)
Ranking by Price
171(1)
Ranking by Processability
172(1)
Examples of Selection
173(5)
Example #1
173
Example #2
177
"General Usefulness" Ranking
178(5)
12. Reselection of Resin
183(4)
Introduction
183(1)
Considerations
184(3)
Shrinkage
184(1)
Warpage
184(1)
Cycle
185(1)
Surface
185(1)
Surface
185(1)
13. Effects of Recycling on Resin Selection
187(12)
Introduction
187(2)
American Plastics Council
189(1)
The Automotive Industry
190(3)
Selective Dismantling
193(3)
Coding and Identification of Plastics
196(1)
Economics of Recycled Engineering Plastics
197(1)
Summary and Conclusion
197(2)
14. Other Engineering Thermoplastics
199(10)
Introduction
199(1)
Teflon (R) PFA Fluorocarbon Resin
200(2)
Chemistry
200(1)
Properties
200(2)
End Uses
202(1)
Special Considerations
202(1)
Polyether Sulfone
202(1)
Chemistry
202(1)
Properties
203(1)
End Uses
203(1)
Special Considerations
203(1)
Polyarylate
203(2)
Chemistry
203(1)
Properties
204(1)
End Uses
204(1)
Special Considerations
204(1)
Polyphenylene Sulfide
205(1)
Chemistry
205(1)
Properties
205(1)
End Uses
205(1)
Special Considerations
206(1)
Polyamide-Imide
206(1)
Chemistry
206(1)
Properties
206(1)
End Uses
206(1)
Special Considerations
207(1)
Polyether-Imide
207(2)
Chemistry
207(1)
Properties
207(1)
End Uses
208(1)
Special Considerations
208(1)
15. Computerized Approach to Resin Selection
209(52)
Introduction
209(2)
General Concepts of an Expert System
211(1)
Architecture of an Expert System
211(1)
Knowledge Base
211(1)
Inference Engine
212(1)
User Interface
212(1)
Expert Systems in Materials Selection
212(2)
General Description of SELECTHER
214(19)
Knowledge Base
214(1)
Rules Structure with Probability Assignments
215(1)
Some Sample Production Rules
216(17)
Example Session with SELECTHER
233(28)
References 261(8)
Appendix A: Suppliers for Engineering Plastics 269(4)
Appendix B: Details of Various Files Needed for the Expert System SELECTHER 273(18)
Glossary 291(6)
Nomenclature 297(4)
Index 301
Macdermott\,
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