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elastomers

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
...Abstract Abstract This chapter covers the friction and wear behaviors of plastics and elastomers. It begins by describing the molecular differences between the two types of polymers and their typical uses. It then discusses the important attributes of engineering plastics and their suitability...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310119
EISBN: 978-1-62708-346-1
...Abstract Abstract This chapter reviews the tests and procedures used for measuring hardness of plastics and elastomers. The conventional testing methods (Rockwell, Vickers, Brinell, and Knoop) used for testing of metals are based on the idea that hardness represents the resistance against...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060155
EISBN: 978-1-62708-355-3
...Abstract Abstract Elastomers comprise a subclass of polymers that display the ability to stretch and recover that is typical of a rubber band. This chapter describes the properties determined by tensile testing of elastomers and the factors influencing them, namely, structuring of the molecular...
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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 2003
Fig. 6 Classification of the processes of friction leading to wear for elastomers (adapted from Ref 23 ). The diagram clarifies the role of friction in determining the wear mechanism for elastomeric polymers. More
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Published: 01 October 2011
Fig. 41 Steel fixture for thin elastomer samples, e.g., for the IRHD-M method. Courtesy of Bareiss Prüfgerätebau GmbH More
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Published: 01 December 2004
Fig. 1 Tensile-test curves for five different elastomer compounds More
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Published: 01 December 2003
Fig. 19 Typical stress-strain curve for a fiber, plastic, and elastomer More
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Published: 01 December 2003
Fig. 21 Typical stress-strain curves for a fiber, a plastic, and an elastomer. Source: Ref 20 More
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Published: 01 December 2003
Fig. 22 Tensile test curves for five different elastomer compounds More
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Published: 01 December 2003
Fig. 5 Waves of detachment when an elastomer is slid against a hard and smooth surface. The rubber moves forward in the form of ripples of wave on its contact surface with a smooth and hard counterface. These so-called waves of detachment can produce wear in the form of rolls of detached material More
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Published: 01 December 2003
Fig. 7 Damage created on the surface of an elastomer by isolated stress concentration. (a) Surface deformation pattern when a sharp needle or conical indentor with acute angle is slid on the surface of an elastomer. The elastomer surface is pulled in the direction of motion and fails in tension More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
... mechanical analyses of viscoelastic plastics are briefly described. The discussion covers the most commonly used tests for impact performance, various types of hardness test for plastics, the fatigue strength of viscoelastic materials, and the tension testing of elastomers and fibers. creep testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... by providing information on the processes involved in interfacial and cohesive wear. This is followed by sections describing the wear process and applications of elastomers, thermosets, glassy thermoplastics, and semicrystalline thermoplastics. The effects of environmental and lubricant on the wear failures...
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Published: 01 October 2012
Fig. 12.1 Strength, σ f , plotted against density, ρ, for various engineering materials. Strength is yield strength for metals and polymers, compressive strength for ceramics, tear strength for elastomers, and tensile strength for composites. Source: Ref 12.2 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 December 2004
Fig. 2 Strength, σ f , plotted against density, ρ, for various engineered materials. Strength is yield strength for metals and polymers, compressive strength for ceramics, tear strength for elastomers, and tensile strength for composites. Superimposing a line of constant σ f /ρ enables More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
.... They have the highest elastic modulus and compressive strength of tool material competitors, and this makes them outperform most other tribomaterials for abrasive wear and cutting tool applications. 15.13 Plastics and Elastomers Thousands of different plastics have evolved since plastics started...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... paper. The other test webs were exploratory, and the results show that two potential new products, polyethylene naphthalate (PEN) and PVD-coated PET, demonstrated much higher COF. The results on the elastomer and plasticized vinyl were anticipated. Plasticized PVC (as in black electrical tape) usually...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870063
EISBN: 978-1-62708-314-0
... alteration, (2) rubber elastomer second phase toughening, (3) thermoplastic elastomer toughening, and (4) interlayering. Network Alteration Since the brittleness of thermosetting polymers is a direct consequence of their high crosslink densities, one method of toughening a thermoset polymer...