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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730099
EISBN: 978-1-62708-283-9
... Abstract This chapter discusses the structural classifications, molecular configuration, degradation, properties, and uses of polymers. It describes thermoplastic and thermosetting polymers, degree of polymerization, branching, cross-linking, and copolymers. It also discusses glass transition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... Abstract This chapter covers the fatigue and fracture behaviors of ceramics and polymers. It discusses the benefits of transformation toughening, the use of ceramic-matrix composites, fracture mechanisms, and the relationship between fatigue and subcritical crack growth. In regard to polymers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870325
EISBN: 978-1-62708-344-7
... Abstract This chapter discusses the effect of fatigue on polymers, ceramics, composites, and bone. It begins with a general comparison of polymers and metals, noting important differences in microstructure and cyclic loading response. It then presents the results of several studies that shed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780276
EISBN: 978-1-62708-281-5
... Abstract This article briefly reviews abrasive and adhesive wear failure of reinforced polymers and polymer composites, namely particulate-filled polymers, short-fiber-reinforced polymers, polymers with continuous fibers, and mixed reinforcements and fabrics. It includes scanning electron...
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Published: 01 December 2003
Fig. 7 Typical creep and creep rupture curves for polymers. (a) Ductile polymers. (b) Brittle polymers More
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Published: 15 June 2021
Fig. 8 Pneumatic grips for soft polymers and elastomers More
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Published: 01 December 2008
Fig. 2.22 The entropy elasticity of chain polymers. An spring is also an example of entropy elasticity. However, the entropy increases when air expands, contrary to the case of rubber. (a) The shorter x is, the larger entropy becomes. (b) The elastic coefficients of various matters More
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Published: 30 April 2020
Fig. 3.4 Contrasting cooling curves for amorphous and crystalline polymers. A crystalline polymer has a volume change at the melting temperature, T M , during slow cooling, but an amorphous polymer reaches a brittle condition below the glass transition temperature, T g . More
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Published: 30 April 2020
Fig. 3.6 Summary of the repeating unit structures for common polymers. The degree of polymerization depends on the number of repeating units. More
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Published: 01 October 2011
Fig. 17.2 Thermal conductivity and expansion of metals in relation to polymers, ceramics, and composites. Source: Adapted from Ref 17.7 More
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Published: 01 October 2011
Fig. 17.3 Elastic modulus vs. tensile yield strength of metals and polymers. The plot of ceramic strength is their compressive yield strength, because brittle ceramics are not suitable in applications with tensile stress. Elastomer strength is tear strength. The symbol σ f is used More
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Published: 01 August 2013
Fig. 9.1 Structure of several linear polymers. Kevlar is a registered tradename of E.I. du Pont de Nemours and Company. Source: Ref 9.1 More
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Published: 01 August 2013
Fig. 9.9 Tacticity of linear polymers. Ref 9.1 More
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Published: 01 August 2013
Fig. 14.1 Recycling symbols for polymers. (1) Polyethylene terephthalate, also indicated by PET and called polyester. (2) High-density polyethylene (also PE-HD).(3) Polyvinyl chloride, or PVC. (4) Low-density polyethylene (PE-LD), or LLDPE for very-low-density polyethylene. (5) Polypropylene More
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Published: 01 December 2003
Fig. 1 Temperature dependence of the modulus, E , of polymers. Examples of idealized behaviors exhibited by an amorphous thermoplastic (A), a semicrystalline thermoplastic (B), and a thermoset (C) More
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Published: 01 December 2003
Fig. 13 Relative thermal stability of polymers by thermogravimetric analysis; 10 mg (0.15 gr) at 5 °C/min (9 °F/min) in nitrogen. PVC, polyvinyl chloride; PMMA, polymethylmethacrylate; HPPE, high-pressure polyethylene; PTFE, polytetrafluoroethylene; PI, polyimide More
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Published: 01 December 2003
Fig. 19 Properties of commercial polymers according to thermomechanical analysis. See “ Abbreviations and Symbols ” in this book for definitions of abbreviations. Source: Ref 84 More
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Published: 01 December 2003
Fig. 1 Stress amplitude versus cycles-to-failure curves for several polymers tested at a frequency of 30 Hz. PS, polystyrene; EP, epoxy; PET, polyethylene terephthalate; PMMA, polymethyl methacrylate; PPO, polyphenylene oxide; PE, polyethylene; PP, polypropylene; PTFE, polytetrafluoroethylene More
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Published: 01 December 2003
Fig. 9 Fatigue crack propagation behavior of various polymers. PSU, polysulfone; PMMA, polymethyl methacrylate; PC, polycarbonate; PS, polystyrene; PVC, polyvinyl chloride. Source: Ref 48 More
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Published: 01 December 2003
Fig. 3 Specific wear rate for a number of polymers, as reported in the literature. The experimental conditions as reported in the literature are given in the table. pv , pressure × velocity Specimen Material Counterface roughness ( R a ), μm Sliding speed ( v ), m/s 1/ S ε More