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polyethylenes

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Published: 15 May 2022
Fig. 9 View of typical bent-strip fixture for polyethylenes More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090451
EISBN: 978-1-62708-218-1
... the parts to temperatures above the recognized limits for PET. Brittle fracture Chemical analysis Drying Feedstock Injection moldings Molding resins Plastic jackets Thermal shock Polyethylene terephthalate Brittle fracture (Other, general, or unspecified) processing-related failures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090454
EISBN: 978-1-62708-220-4
... Abstract A chemical storage vessel failed while in service. The failure occurred as cracking through the vessel wall, resulting in leakage of the fluid. The tank had been molded from a high-density polyethylene (HDPE) resin. The material held within the vessel was an aromatic hydrocarbon-based...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090448
EISBN: 978-1-62708-222-8
.../polyethylene terephthalate blend Environmental cracking (plastics) Brittle fracture Housings from an electrical appliance failed during an engineering evaluation. The housings had been injection molded from a commercial polycarbonate/PET (PC/PET) blend. The parts were being tested as part of a material...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001275
EISBN: 978-1-62708-215-0
... Abstract A high-density polyethylene (HDPE) natural gas distribution pipe (Grade PE 3306) failed by slow, stable crack growth while in residential service. The leak occurred at a location where a squeeze clamp had been used to close the pipe during maintenance. Failure analysis showed...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001265
EISBN: 978-1-62708-215-0
... Abstract Total knee prostheses were retrieved from patients after radiographs revealed fracture of the Ti-6A1-4 VELI metal backing of the polyethylene tibial component. The components were analyzed using scanning electron microscopy. Porous coated and uncoated tibial trays were found to have...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006918
EISBN: 978-1-62708-395-9
... engineering polymers. The article describes fracture mechanics solutions and approaches to the fatigue characterization of engineering polymers when dealing with macroscale fatigue crack growth. It includes mechanistic images for high-density polyethylene, ultrahigh-molecular-weight polyethylene, nylon 6, 6...
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Published: 01 June 2019
Fig. 2 Fracture band width as a function of crack length for the polyethylene pipe shown in Fig. 1 More
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Published: 01 June 2019
Fig. 1 Wear marks on the surface of a nylon/polyethylene antifriction bearing. The bearing was in contact with a rotating steel shaft. 417×. Source: Ref 1 More
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Published: 01 January 2002
Fig. 88 Shear band formation in oriented polyethylene terephthalate. Source: Ref 97 More
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Published: 01 January 2002
Fig. 49 SEM view of fatigue striations in medium-density polyethylene, laboratory tested at 0.5 Hz with maximum stress 30% of the yield strength. Crack growth is upward in this view. Original magnification 200×. Source: Ref 4 More
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Published: 01 January 2002
Fig. 4 Crazing fibrils in linear polyethylene (density, 0.964 g/cm 3 ) More
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Published: 01 January 2002
Fig. 11 Time-to-failure of high-density polyethylene pipes at different stresses and temperatures. Source: Ref 12 More
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Published: 01 January 2002
Fig. 23 Brittle fracture surface of a polyethylene gas pipe showing rib marking at crack arrest. 14.5× More
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Published: 01 January 2002
Fig. 25 Rib markings near the origin of polyethylene gas pipe fracture. 14× More
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Published: 01 January 2002
Fig. 28 Fracture band width as a function of crack length for the polyethylene pipe shown in Fig. 27 More
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Published: 01 January 2002
Fig. 5 X-ray photoelectron spectroscopy high-resolution spectrum of polyethylene terephthalate (PET) More
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Published: 01 January 2002
Fig. 7 Time-of-flight secondary ion mass spectroscopy mass spectrum of polyethylene terephthalate (PET) More
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Published: 01 January 2002
Fig. 5 The evolution of engineering materials through history. PE, polyethylene; PMMA, polymethylmethacrylate; PC, polycarbonate; PS, polystyrene; PP, polypropylene; CFRP, carbon-fiber-reinforced plastic; GFRP, graphite-fiber-reinforced plastic; PSZ, partially stabilized zirconia. Source: Ref More
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Published: 01 January 2002
Fig. 14 Wear marks on the surface of a nylon/polyethylene antifriction bearing. The bearing was in contact with a rotating steel shaft. 417×. Source: Ref 53 More