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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048665
EISBN: 978-1-62708-217-4
... Abstract The jackscrew drive pins on a landing-gear bogie failed when the other bogie on the same side of the airplane was kneeled for tire change. The pins, made of 300M steel, were shot peened and chromium plated on the outside surface and were cadmium plated and painted with polyurethane...
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
.... Reprinted with permission from Ref 1 Fig. 13 Cracks formed below the surface during abrasion of polyurethane elastomer. Source: Ref 54 . Reprinted under the terms of the Creative Commons Attribution 3.0 License. © 2017 The Author(s). Licensee IntechOpen Fig. 14 SEM Image of top...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006866
EISBN: 978-1-62708-395-9
...‑monooxygenase (AHs), styrene monooxygenase (StyA), NADH-dependent flavin reductase (StyB), styrene-oxide isomerase (StyC), phenylacetaldehyde dehydrogenase (StyD) Polyurethane, PUR 27 × 10 6 Hydrolases (polyurethanases) Hydrolases (Alkyl carbamate hydrolase) Polyethylene terephthalate, PET 33 × 10 6...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001508
EISBN: 978-1-62708-236-5
... the intergranular stress corrosion cracks covered in chloride rich corrosion product, were detected. The packaging materials were examined for chlorides. The packaging materials consisted of a polyurethane foam in intimate contact with the part, encompassed by a paper barrier material. The paper barrier...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006945
EISBN: 978-1-62708-395-9
... TPA TPES TPI TPI TPUR polyoxymethylene polypropylene paraphenylenediamine polyphenylene ether polyphenylene oxide polypropylene oxide polyphenylene sul de polyphenylene sulfone polystyrene polysulfone polysulfone polychlorotri uoroethylene polytetra uoroethylene polyurethane polyurethane polyvinyl...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001696
EISBN: 978-1-62708-234-1
..., and is similar to the tubing used in LC-39B's GO 2 System and B/A Line. The tubing was specified to be coated with either a nitrile-rubber-base, aluminum pigmented coating or a polyamide epoxy coating with an aliphatic polyurethane topcoat. The coatings are required for corrosion protection of 300-series...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006920
EISBN: 978-1-62708-395-9
... Photodegradation , Polym. Degradation Stab. , Vol 49 , 1995 , p 163 10.1016/0141-3910(95)00069-X 37. Lemaire J. , Gardette J.-L. , Rivaton A. , and Roger A. , Dual Photo-Chemistries in Aliphatic Polyamides, Bisphenol A Polycarbonate and Aromatic Polyurethanes—A Short Review...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006939
EISBN: 978-1-62708-395-9
... chloride, polyurethane, and some special polyethylene cases Dechlorane plus Alicyclic chlorinated material Chlorine content: ~65% Dehydrochlorination reaction at T ~ 250 °C (480 °F) Used in polyolefins and nylon Tetrabromophthalic anhydride and its derivative Bromine content: ~68% Debromination...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006924
EISBN: 978-1-62708-395-9
... curve for polyurethane pultrusion resin system. The solid line is calculated from the second-order kinetic equation found to fit the master curve. Source: Ref 10 Fig. 1 Schematic comparing the processing of (a) thermoplastics and (b) thermosets Fig. 2 Epoxy reaction with primary...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0060154
EISBN: 978-1-62708-234-1
... polyurethane-foam gasket at the bottom. The pliable gasket conformed to the curved surfaces of the header. The search unit was held in position by a setscrew. Water flowed through the unit by gravity and escaped through a small hole in the Lucite cylinder at a point just above the front surface...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006926
EISBN: 978-1-62708-395-9
... Fig. 1 Tensile strength of polyurethane aged in methanol at 60 °C (140 °F) as a function of exposure time. Source: Ref 10 Fig. 2 Yield stress of swollen polymethyl methacrylate samples as a function of the polymer volume fraction, ϕ 2, and temperature. (a), air; (b), methanol; (c...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0006548
EISBN: 978-1-62708-180-1
... polytetrafluoroethylene PU polyurethane PVC polyvinyl chloride PVD physical vapor deposition PWHT postweld heat treated q notch sensitivity Q activation energy r notch radius R Rankine constant R radius of curvature Ra average roughness RA reduction in area RCA root-cause analysis RCF rolling-contact fatigue RCM...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006923
EISBN: 978-1-62708-395-9
... 50–205 120–400 120–150 250–300 0.17–0.22 0.10–0.13 55–100 Polyimide 305–360 580–680 260–315 500–600 0.10–0.34 0.058–0.20 25–80 Polyurethane (cast) 50–205 120–400 90–120 190–250 0.17–0.21 0.10–0.12 70–100 Silicone … … 260 500 0.22 0.13 80–300 Urethane elastomer...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001312
EISBN: 978-1-62708-215-0
... was composed of a 350 mm (14 in.) long, 62 mm (2.4 in.) diam dashpot with a wall thickness of 1.2 mm (0.05 in.). A copper cup was brazed at each end. The dashpot was surrounded by a helical copper tube, and the entire assembly was housed in a galvanized steel enclosure filled with polyurethane foam (PUF...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
... copolymers can form two-phase systems similar to those observed with immiscible polymer blends. Typical block copolymers are polyether-amides, hard-segment/soft-segment polyurethanes/ureas, and styrenic elastomers (for example, styrene-butadiene-styrene and styrene-ethylene-butylene-styrene). Graft...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006922
EISBN: 978-1-62708-395-9
... polyurethane elastomer TPU Styrene ethene butene styrene SEBS Ethylene propylene diene monomer rubber EPDM Styrene butadiene rubber SBR Acrylonitrile butadiene rubber NBR Silicone rubber SI Isoprene rubber IR Chloroprene rubber CR Thermosets Epoxy EP Melamine ME...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... (PS) Polysulfone PTFE Polytetrafluoroethylene PUR Polyurethane (urethane) PVA Polyvinyl acetal PVAC Polyvinyl acetate PVAL (PVA) Polyvinyl alcohol PVB Polyvinyl butyral PVC Polyvinyl chloride PVDC Polyvinylidene chloride PVDF Polyvinylidene fluoride PVF...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006849
EISBN: 978-1-62708-395-9
.... At lower temperatures, the influence of additives, such as impact modifiers, and of compounding schemes can be identified. The dynamic compression of a polyurethane foam is noted in Fig. 18 . The dynamic mechanical properties of soft urethane foam can be determined conveniently in the compression mode...
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
..., and they are difficult to bond strongly to metals. Intense cavitation invariably causes thermal decomposition and/or delamination of polymer repairs. Measures such as polyurethane paint definitely have their place for protecting low-head hydraulic machines, but repairs of erosion damage with polymers in high-head...