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elastomeric materials

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006870
EISBN: 978-1-62708-395-9
... Abstract This article examines the concept of fractography as applied to elastomeric rubbery materials. It considers four general categories of physical root failure causes: design defects, material defects, manufacturing defects, and service life anomalies. Examples of real-world failures...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006371
EISBN: 978-1-62708-192-4
... elastomeric materials such as O-rings, which merely react to a sealed fluid pressure, and passive materials that require clamping forces to achieve sealing, such as gaskets. The types of dynamic seals include rotary seals and reciprocating seals. The article describes the factors affecting seal wear...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004186
EISBN: 978-1-62708-184-9
...; and/or substitution reactions. The article also describes the corrosion resistance of nonmetallic materials such as rubber and elastomeric materials, plastics, carbon and graphite, and ceramic materials. chemical conversion carbon steel aluminum carbon cast iron ceramic materials copper copper alloys...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003405
EISBN: 978-1-62708-195-5
... the two basic methods, such as the trapped or fixed-volume rubber method and the variable-volume rubber method, of elastomeric tooling, which use the principles of thermal expansion molding. The significant properties and controlling equations that are required to characterize elastomeric tooling material...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003848
EISBN: 978-1-62708-183-2
... their properties and strength from their molecular weight, chain entanglements, and crystalline regions that form when chain segments line up and crystallize. These crystalline regions can deform and/or melt under pressure and heat, causing creep or extrusion of the materials under service conditions. Elastomeric...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
...," and "semicrystalline thermoplastics." The article also discusses the effects of environment and lubricant on the wear failures of polymers. It presents a case study on considering nylon as a tribological material and failure examples, explaining wear resistance of polyurethane elastomeric coatings and failure...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... in autoclave molding. It also describes the tooling configuration and type of tooling which includes aluminum and steel tooling, electroformed nickel tooling, graphite-epoxy tooling, and elastomeric tooling. autoclave molding autoclave molding materials autoclave system composites laminates layup...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001278
EISBN: 978-1-62708-170-2
..., these patents address the use of other low- T g materials to modify the acrylic polymer, including poly(oxytetramethylene) glycols and other soft acrylic polyols with T g < 10 °C, or 50 °F. Again, these materials could be cured with melamine formaldehyde resins to obtain useful coatings for elastomeric...
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Published: 01 January 2005
content. Control: Insulated copper piping should be properly installed, avoiding direct contact with wet soils or moist atmospheres that yield ammonia-containing vapors, for example, liquid smokes. Unknown or new elastomeric insulation materials should be evaluated for possible ammonia, amine, or similar More
Image
Published: 31 December 2017
Fig. 10 Location of elastomeric integral seals in a ball bearing. (a) Single-face seal (usually identified with “RS” suffix). (b) Dual-face seal (usually identified with “2RS” suffix). Elastomeric seal materials include nitrile-butadiene rubber, polyurethane, fluorocarbon, and ethylene More
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006050
EISBN: 978-1-62708-172-6
... ). Fig. 25 Liquid-filled blister formed within polyvinyl acetate block filler beneath an elastomeric finish Fig. 26 Blister in Fig. 25 punctured, showing that a large volume of water had collected beneath the elastomeric finish Acrylic materials with PVA liquid emulsions are commonly...
Image
Published: 31 December 2017
Fig. 2 Rain erosion effects on a Maverick missile dome made of coated zinc sulfide that was exposed for 10 s at a speed of approximately 210 m/s (690 ft/s). The dome itself suffered catastrophic damage, and erosion is also seen on the filled elastomeric mounting ring. Courtesy of G.F. Schmitt More
Image
Published: 30 September 2015
Fig. 17 Fully dense PM component produced without encapsulation: rigid elastomeric tooling used to form the part during cold isostatic pressing, or CIP (left), Ti-6Al-6V-2Sn alloy preform (center), and machined final part (right). The solid mandrel that forms the interior core remains rigid More
Image
Published: 01 January 2005
bend radius and tensile load is important to avoid local stress raisers that can influence stress-associated failures. Materials choice should be dictated by the specific environment and from application experience. Outer nonmetallic containment jackets (elastomeric, plastics) provide protection More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006074
EISBN: 978-1-62708-175-7
... supply indicator, and parallel/series manual valves for pressure let-down in the case of electrical or air supply outage are standard components of a modern CIP system. Tooling The simplest form of cold isostatic tooling is an elastomeric material mold or “bag” shown schematically in Fig. 1...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... manufactured from substandard material. As it happened, some of the elastomeric material supplied to the component manufacturer was “an equivalent” to the material actually ordered and lacked the oil-resisting capabilities of the material actually ordered by the component manufacturer. To the motor...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003695
EISBN: 978-1-62708-182-5
... as a Protective Lining Since 1839, when Charles Goodyear discovered the process known as vulcanization , whereby a soft, amorphous mass of natural rubber cross-linked into a resilient, elastomeric material with excellent elongation, modulus, and tensile strength, rubber has been used as a material...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006047
EISBN: 978-1-62708-172-6
... Abstract Two-component polyurea elastomeric coating/lining systems are the newest technology in the protective coating/lining industry and a wide variety of applications have been developed. These include coating/lining applications over concrete, geotextile membranes, various metals...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006011
EISBN: 978-1-62708-172-6
... coatings as primers and topcoats, moisture-cure aromatic elastomeric high-build coatings, moisture-cure aliphatic topcoats, two-pack aliphatic polyurethane coatings as topcoats, and one- and two-pack polyurethane dispersion coatings as sealers and topcoats. It also includes a section on the health effects...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006044
EISBN: 978-1-62708-172-6
... in which they are dissolved, or the solvent can be removed to form a solid-grade material. The solid-grade acrylic resin can later be dissolved in the solvent of choice. Solid-grade acrylic resins are supplied in pellet or powder form. Solid-grade material is also prepared by suspension polymerization...