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polyethylene coated pipe

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001823
EISBN: 978-1-62708-241-9
...Abstract Abstract A section of pipe in a hydrocarbon pipeline was found to be leaking. The pipeline was installed several decades earlier and was protected by an external coating of extruded polyethylene and a cathodic protection system. The failed pipe section was made from API 5L X46 line...
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
... micrograph showing a yielded zone surrounding and preceding a fatigue crack in 0.25 mm (0.01 in.) thick polycarbonate sheet. 20× Fig. 11 Time-to-failure of high-density polyethylene pipes at different stresses and temperatures. Source: Ref 12 Fig. 8 Section from a polystyrene sample...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
..., copper-copper sulfate reference electrode. Source: Ref 30 Indicator minerals found as corrosion products in external corrosion scenarios under disbonded polyethylene tape wrap coating on buried pipelines and in laboratory soil box tests Table 3 Indicator minerals found as corrosion products...
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
... but is used in major applications including chain links, roofing panels, and automotive exhaust components. Aluminum-zinc-alloy-coated steel provides a combination of galvanic protection and low corrosion rate. Applications include metal roofing, automotive components, appliances, and corrugated pipe...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... and residential plumbing systems, SCC can occur in brass plumbing components that are used in a hard temper condition or that have residual stresses from final finishing, such as rolled threads. Stainless steel clamps used in residential cross-linked polyethylene (PEX) plumbing systems exhibit SCC when moisture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... would have been destroyed. Fig. 2 Bolt that failed in fatigue. The smooth dark areas are from initial fatigue cracking, now coated with dark adherent oxide. This initial cracking took place some years prior to the later fracture, the surface of which is covered by a less adherent rust coating...
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
... Crystalline domains with rigid chains 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...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... to affix polyethylene tape coatings to line pipe has been found to be a source of nutrients for microbial sulfate reduction in external corrosion sites ( Ref 21 ). Biodegradation of adhesive may contribute to the loss of adhesion seen when these coatings are exposed to biologically active soils ( Ref 51...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
..., formed by interaction between the rapidly progressing crack front and dynamic stress waves, are reminiscent of beach marks but do not indicate progressive fatigue fracture. Source: Ref 22 Fig. 30 Fracture of an old polyethylene pipe showing rib marks curving toward the fracture origin...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... instrumentation Improper coupling Improper bearing Improper seal Insufficient shutdown devices Material of construction Corrosion and/or erosion Rapid wear Fatigue Strength exceeded Galling Wrong hardening method Design for installation Unsatisfactory piping support Improper piping flexibility Undersized...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... Fig. 1 General features of fatigue fractures. Fig. 48 Artifacts generated by improper platinum sputter coating of a 4.6 mm (0.18 in.) diameter polycarbonate rotating beam fatigue specimen. This SEM view shows a pattern in the coating reminiscent of “mud-cracking.” Fig. 49...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... corrosion products, and deposits or coatings). Testing under simulated service conditions Finally, the investigation concludes with a synthesis and interpretation of results. This step may actually require reiteration of previous steps or the introduction of new steps. Similar to design, failure...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
.... , Fatigue Crack Initiation on the Outside Surface of High-Pressure Tubes Caused by Tube Support , Proc. of Conference on Safety in High Pressure Polyethylene Process, Symposium III , March 1977 ( Houston ), American Institute of Chemical Engineers 14. Antler M. , Electrical Effects...