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thermosets

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Published: 15 May 2022
Fig. 1 Schematic comparing the processing of (a) thermoplastics and (b) thermosets More
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
... Abstract This article discusses the most common thermal analysis methods for thermosetting resins. These include differential scanning calorimetry, thermomechanical analysis, thermogravimetric analysis, and dynamic mechanical analysis. The article also discusses the characterization of uncured...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001297
EISBN: 978-1-62708-215-0
... Abstract A helicopter tail rotor blade spar failed in fatigue, allowing the blade to separate during flight. The 2014-T652 aluminum alloy blade had a hollow spar shank filled with lead wool ballast and a thermoset polymeric seal. A corrosion pit was present at the origin of the fatigue zone...
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
.... This article reviews the numerous considerations that are equally important to help ensure that part failure does not occur. It provides a quick review of thermoplastic and thermoset plastics. The article focuses primarily on thermoset materials that at room temperature are below their glass transition...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006916
EISBN: 978-1-62708-395-9
... and orientation. It also presents examples of failures stemming from material degradation improper use of metal inserts, weak weld lines, insufficient curing of thermosets, and inadequate mixing and impregnation in the case of thermoset composites. injection molding manufacturing-related failures...
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Published: 15 May 2022
Fig. 22 Chemical structure of representative thermoset plastics More
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Published: 15 May 2022
Fig. 7 Representative structures of thermoset plastics. R represents one or more carbon atoms. Source: Ref 21 More
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Published: 15 May 2022
Fig. 3 Fast-reacting two-part polyurethane thermoset. Approximately 5 mg, heated at 10 °C/min (18 °F/min) from 10 to 250 °C (50 to 480 °F). DSC, differential scanning calorimetry. Source: Ref 10 More
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Published: 15 May 2022
Fig. 5 Thermoset rheological measurements. Schematics adapted from Ref 2 More
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Published: 15 May 2022
Fig. 22 Thermogravimetric analysis of thermoplastic-thermoset adhesive, 15 °C/min (27 °F/min) in nitrogen. Source: Ref 46 More
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Published: 15 May 2022
Fig. 23 Isothermal thermogravimetric analysis of thermoplastic-thermoset adhesive. Source: Ref 46 More
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Published: 15 May 2022
Fig. 32 Schematic of viscosity and modulus during thermoset curing. η, steady-shear viscosity; η*, complex viscosity; G e , equilibrium modulus; t c , time to gel. Courtesy of TA Instruments. Source: Ref 75 More
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Published: 15 May 2022
Fig. 45 Sample weight percent as a function of temperature in a molded thermoset part. Source: Ref 45 More
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Published: 15 May 2022
Fig. 5 Thermoset versus thermoplastic stress-strain behavior More
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Published: 15 May 2022
Fig. 15 Schematic comparing the processing of (a) thermoplastics with (b) thermosets More
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Published: 15 May 2022
Fig. 16 Thermoset conversion from liquid resin to rigid polymer during curing process. Adapted from Ref 14 More
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Published: 15 January 2021
Fig. 3 Light micrographs of specimens of 1215 carbon steel that were salt bath nitrided and mounted in different resins. (a) Thermosetting epoxy resin. (b) Phenolic thermosetting resin. (c) Methyl methacrylate thermoplastic resin. (d) Electroless nickel plated and mounted in thermosetting More
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Published: 01 January 2002
Fig. 11 Light micrographs of specimens of 1215 carbon steel that were salt bath nitrided and mounted in different resins. (a) Epomet thermosetting epoxy resin. (b) Phenolic thermosetting resin. (c) Methyl methacrylate thermoplastic resin. (d) Electroless nickel plated and mounted Epomet More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
..., wear study is separated as elastomers, thermosets, glassy thermoplastics, and semicrystalline thermoplastics. The article describes the effects of environment and lubricant on the wear failures of polymers. It presents a case study on nylon as a tribological material. The article explains the wear...
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
... Abstract This article presents the mechanisms of polymer wear and quantifies wear in terms of wear rate (rate of removal of the material). Interfacial and bulk wear are discussed as well as a discussion on the wear study of "elastomers," "thermosets," "glassy thermoplastics...