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elastomers

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Published: 01 January 2002
Fig. 6 Classification of the processes of friction leading to wear for elastomers (adapted after Moore, Ref 23 ). The diagram clarifies the role of friction in determining the wear mechanism for elastomeric polymers. More
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Published: 01 January 2002
Fig. 1 Typical stress-strain curve for a fiber, a plastic, and an elastomer More
Image
Published: 01 January 2002
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 More
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Published: 01 January 2002
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 More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... of industries. This article describes the processes involved in erosion of ductile materials, brittle materials, and elastomers. Some examples of erosive wear failures are given on abrasive erosion, liquid impingement erosion, cavitation, and erosion-corrosion. In addition, the article provides information...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
..., wear study is separated as elastomers, thermosets, glassy thermoplastics, and semicrystalline thermoplastics. The article describes the effects of environment and lubricant on the wear failures of polymers. It presents a case study on nylon as a tribological material. The article explains the wear...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001130
EISBN: 978-1-62708-214-3
... material was peeled off by making a cut at each hole through which the elastomer passed. This design for bonding is intended to prevent the encapsulating material from separating. The smaller section of the broken swing was left as-received. Moreover, only a small corner was cut from the mating...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
..., thermosetting plastics, and elastomers. Thermoplastics have linear chain configurations where chains are joined by weak secondary bonds. The secondary bonds holding adjacent macromolecules together are a direct result of the formation of molecular dipoles along the length of the polymer chain. Secondary bonds...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
..., such that for elastomers, cutting mechanisms can occur only with contact against sharp abrasive particles. For contact against blunt abrasive particles, the two main wear mechanisms are tensile tearing and fatigue. For the abrasive wear of polymeric materials, the following material parameters are important ( Ref 10...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... of the abrasive/wear material contact changes, with localized elastic deformation becoming more significant. The probability of wear occurring by plastic deformation mechanisms decreases, such that for elastomers, cutting mechanisms can occur only with contact against sharp abrasive particles. For contact against...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
...-Si-B coatings are compared with type 304L stainless steel in Fig. 16 . Fig. 16 Behavior comparison of plasma-sprayed Ni-Cr-Fe-Si-B powder with wrought type 304L stainless steel in vibratory cavitation Repairs Made with Polymers Over the years, elastomers and other polymers, either...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001536
EISBN: 978-1-62708-229-7
... with elastomer seals that must be maintained at about 55 to 65 °C (130 to 150 °F). Thermal fatigue cracking of the shaft typically occurs where the seal cooling water mixes with the hot reactor coolant. The analysis to be described here illustrates this type of failure. The shaft to be analyzed came from...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... of diesel engine cylinders. Damage can be reduced by operating rotary pumps at the highest possible head of pressure to avoid formation of bubbles. For turbine blades, aeration of water serves to cushion the damage caused by the collapse of bubbles. Neoprene or similar elastomer coatings on metals...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... of Elastomers , Wear , Vol 112 , 1986 , p 105 – 120 37. Rice S.L. , Reciprocating Impact Wear Testing Apparatus , Wear , Vol 45 , 1977 , p 85 – 95 38. Bayer R.G. and Sacher E. , The Effect of Voids on the Sliding Friction of Polyimide Film , Wear , Vol 37 , 1976 , p...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
.... Sometimes a material is chosen in order to improve performance in one area while other aspects of the service environment are ignored. Elastomeric components may be selected for their capability to reduce noise and vibration in a component mounting application, but the rapid degradation of the elastomer due...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... Cast steels A356, grade 65-45-12 EN-JS-1030 GGG40 or WN 0.7040 Steel sheets AISI 1037 S235-JR St37-2 or WN 1.0037 Stainless steels AISI 304 X5CrNi18-10 WN 1.4301 Polymers PBT GF30 … … PA66 … … Elastomers NBR (Shore 55 to 90) … … Home appliance bearings...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... between them and cross-linking chains High-strength and temperature-resistant materials E Rigid-chain domains in a flexible-chain matrix Styrene-butadiene-styrene, triblock polymer Thermoplastic elastomer (a) See Fig. 23 . (b) PE, polyethylene; PP, polypropylene; PVC, polyvinyl chloride...