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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
... Abstract This article discusses the thermal properties of engineering plastics and elastomers with respect to chemical composition, chain configuration, and base polymer conformation as determined by thermal analysis. It describes the processing of base polymers with or without additives...
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
... by chromatography. Finally, the article covers three operations of thermoanalysis, namely differential scanning calorimetry, thermogravimetric analysis, and thermomechanical testing. chromatography differential scanning calorimetry molecular weight thermal properties thermogravimetric analysis...
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Published: 15 May 2022
Fig. 22 Thermal analysis of oriented plastic. CTE, coefficient of thermal expansion More
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Published: 15 May 2022
Fig. 29 Thermal analysis of engineering reference plastics; r2 = 0.95 More
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Published: 15 May 2022
Fig. 4 Thermal analysis of Society of Plastics Engineers (SPE) reference plastics. Identification numbers are tied to SPE resin kit (see Table 6 ) More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.9781627082327
EISBN: 978-1-62708-232-7
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Published: 15 May 2022
Fig. 33 Relative thermal stability of polymers by thermogravimetric analysis (TGA); 10 mg (0.15 gr) at 5 °C/min (9 °F/min), in nitrogen. HDPE, high-density polyethylene; PMMA, polymethyl methacrylate; PTFE, polytetrafluoroethylene; PVC, polyvinyl chloride More
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Published: 15 May 2022
Fig. 13 Relative thermal stability of polymers by thermogravimetric analysis; 10 mg (0.15 gr) at 5 °C/min (9 °F/min) in nitrogen. PVC, polyvinyl chloride; PMMA, polymethylmethacrylate; HDPE, high-density polyethylene; PTFE, polytetrafluoroethylene; PI, polyimide More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006931
EISBN: 978-1-62708-395-9
... the characterization of plastics by infrared and nuclear magnetic resonance spectroscopy, differential scanning calorimetry, differential thermal analysis, thermogravimetric analysis, thermomechanical analysis, and dynamic mechanical analysis. The article also discusses the use of X-ray diffraction for analyzing...
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
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090439
EISBN: 978-1-62708-220-4
... with the specified material and, as a result, was not as thermally stable as the reference material. Chemical composition Feedstock Molding resins Plasticizers Thermal analysis Tubing (nonmetal) Tubings Polyvinyl chloride (Other, general, or unspecified) processing-related failures A section...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001901
EISBN: 978-1-62708-218-1
... calorimetry (DSC) are the two most widely used thermal analysis methods for polymers. In DSC, sample and reference pans are heated in a controlled environment at a programmable rate so that the pre-weighed sample and the reference materials are always maintained at equivalent temperatures. Because the amount...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006933
EISBN: 978-1-62708-395-9
.... Thermogravimetric Analysis Thermogravimetric analysis (TGA) is a thermal analysis technique that measures the amount and rate of change in the weight of a material as a function of temperature or time in a controlled atmosphere. The weight of the evaluated material can decrease due to volatilization...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0090436
EISBN: 978-1-62708-233-4
... Couplings Embrittlement Feedstock Molding resins Thermal analysis Glass-filled nylon 6/12 (Other, general, or unspecified) processing-related failures Brittle fracture Molded plastic couplings used in an industrial application exhibited abnormally brittle properties, as compared to previously...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090445
EISBN: 978-1-62708-222-8
... identified, but a likely source appeared to be the use of improper regrind. Contaminants Electric appliances Embrittlement Housings Molding resins Protective covers Stress cracking Thermal analysis Acrylonitrile-butadiene-styrene Brittle fracture Numerous protective covers, used...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090433
EISBN: 978-1-62708-218-1
... produced a greater predisposition for stress relaxation. Additives Chemical composition Clips Injection moldings Molding resins Stress relaxation Thermal analysis Wire clips Nylon 6/6 (Other, general, or unspecified) processing-related failures A production lot of plastic wire clips...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... Abstract This article provides information on the development of finite element analysis (FEA) and describes the general-purpose applications of FEA software programs in structural and thermal, static and transient, and linear and nonlinear analyses. It discusses special-purpose finite element...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... simplifying the problem). The major applications of FEA in failure analysis seem to have been broken down into the categories of structural analysis, thermal analysis, nonlinear analysis, and transient and dynamic analysis. In the recent decade or so, the application of FEA also has extended well into many...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001593
EISBN: 978-1-62708-234-1
... in coefficients of thermal expansion between the polysulfone and the mating steel insert. Coefficient of thermal expansion Insert molding Plastic Polysulfone Brittle fracture Introduction A flow sensor was submitted for analysis because the plastic body section had failed while in service...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... or to determine whether a plastic resin has undergone partial oxidation. Thermogravimetric Analysis Thermogravimetric analysis (TGA) is a thermal analysis technique that measures the amount and rate of change in the weight of a material as a function of temperature or time in a controlled atmosphere...