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environmental stress crazing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780305
EISBN: 978-1-62708-281-5
... Abstract This article discusses the molecular mechanism, environmental criteria, and material optimization of environmental stress crazing (ESC) in glassy thermoplastics, polyethylenes, and nylons. In addition, it provides information on various tests used to determine relative susceptibility...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780204
EISBN: 978-1-62708-281-5
... standard liquid on its surface to determine the craze resistance of a material to a given environmental factor for a given time. This method was used ( Ref 44 ) to determine the lowest stress to craze Plexiglas-55 (ATOFINA Chemicals, Inc.) in a variety of test fluids for both dry and water-saturated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... frequently exhibit craze cracking as a result of the interaction of applied stress and environmental reactions ( Ref 2 – 5 ). Until recently, it was thought that pure metals were immune to SCC; however, it has been shown that pure metals are susceptible to SCC ( Ref 6 , 7 ). This discussion focuses on the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
... induced crack propagation. Ceramics exhibit environmentally induced crack propagation ( Ref 1.1 ), and polymeric materials frequently exhibit craze cracking as a result of the interaction of applied stress and environmental reactions ( Ref 1.2 – 1.5 ). The mechanical properties of composites will degrade...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780323
EISBN: 978-1-62708-281-5
... Stress Crazing and Cracking of Poly(2, 6-dimethyl-1, 4-phenylene oxide) , Macromolecules , Vol 1 , 1968 , p 393 10.1021/ma60005a005 33. Andrews E.H. and Bevan L. , Mechanics and Mechanism of Environmental Crazing in a Polymeric Glass , Polymer , Vol 13 , 1972 , p 337 10.1016...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
..., it covers general characteristics, viscoelastic properties, and static strength. It also discusses fatigue life, impact strength, fracture toughness, and stress-rupture behaviors as well as environmental effects such as plasticization, solvation, swelling, stress cracking, degradation, and surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... inconclusive. It is customarily assumed that thermosets do not craze; its failure mode is all by shear yielding. Geometrically, a craze is a planar defect consisting of bundles of stretched molecules. Crazing begins with microviod formation under the action of the hydrostatic tension component of the stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230441
EISBN: 978-1-62708-298-3
... as extensive literature sources on this subject [ Sharpe 1990 , Packham 1990 , Gauthier 1990 , Acker 1990 ]. It was estimated that over 2500 different products were available [ Snogren 1970 ]. The choice of adhesive is determined by the type of service stresses; joint design; environmental factors...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... affect impact and tensile strength, shrinkage, thermal expansion, and thermal conductivity. It examines the relationship between tensile modulus and temperature, provides thermal property data for selected plastics, and discusses the effect of chemical exposure, operating temperature, and residual stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... coatings to provide environmental protection layers in the presence of in-service-generated matrix cracks. Fig. 11.14 Interfacial coating. Source: Ref 11.1 In addition to chemical bonding at the interface, residual stresses from thermal expansion mismatch between the matrix and fibers can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030215
EISBN: 978-1-62708-282-2
..., localized corrosion, galvanic corrosion, intergranular corrosion, stress-corrosion cracking, hydrogen damage, and erosion-corrosion. In addition, the economic importance of cost-effective materials selection is also considered. materials selection corrosion control general corrosion localized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780314
EISBN: 978-1-62708-281-5
... Abstract This article describes the mechanisms of moisture-induced damage in polymeric materials, covering the characteristics of important structural plastics; the effects of moisture on glass transition temperature, modulus, creep, and stress relaxation of plastic materials; and moisture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780404
EISBN: 978-1-62708-281-5
... the nature of the polymer, these microvoids continue to grow into localized areas of stress whitening, stress crazing, stress cracking, or brittle failure. Therefore, design limitation and product failure for some plastics may be associated with stress crazing, stress cracking, or stress whitening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... in HIPS as the fatigue test progresses. These events are understandable, considering ABS undergoes shear yielding mechanisms and the HIPS undergoes crazing that requires a tensile component of stress. Crazing results from fibrillation or polymeric drawing ahead of the fatigue flaw. The advancement of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... storage environments. Crazing is a failure mode in which microcracks and sometimes color shifts develop in a plastic material. Stress, a hostile environment (exposure to chemicals that degrade the material), or a combination of stress and a hostile environment can induce crazing. Aging can also induce...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
..., such as nylon, can function both as a fiber and as a plastic. Other polymers, such as isotactic polypropylene, lack hydrogen bonds, but because of their good structural geometry, they can serve both as a plastic and as a fiber. Fig. 19 Typical stress-strain curve for a fiber, plastic, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080359
EISBN: 978-1-62708-304-1
.../Process and Product Quality Conference ( TAPPI Conf. Proc. ), TAPPI Press , 1999 , p 1099 24. Prescott R. and Singbeil D.L. , Stress Corrosion Cracking of Type 304L Stainless Steel in Kraft Recovery Boiler Environments , Ninth International Symposium on Corrosion in the Pulp and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... mechanically fastened joint will be only about 40 to 50 percent as strong as the base laminate. In spite of this advantage, adhesively bonded joints are not always practical. Bonded joints are preferred if thin composite sections are to be joined where bearing stresses in bolted joints would be unacceptably...