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differential thermal analysis method

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780343
EISBN: 978-1-62708-281-5
... permeation chromatogram from a high-performance liquid chromatograph. MWD, molecular weight distribution. Source: Ref 17 Methods of Thermal Analysis DSC and Differential Thermal Analysis (DTA) Engineering thermoplastics have been characterized by DSC and DTA ( Ref 1 – 6 , 18 – 20...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
... (TGA), and thermomechanical testing (TMT), each of which is briefly described with more details in the next article “ Thermal Analysis and Thermal Properties ” in this book. Differential Scanning Calorimetry Differential scanning calorimetry measures the heat energy (calories) that a sample...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... to improve since the first inception of this control concept through an Air Force contract ( Ref 1 ). Numerous procedures and methods of physical, chemical, and thermal analysis for thermosetting polymer systems have evolved from this work and subsequent efforts. Most important among...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
... plastics and polymers, covering the various considerations in the selection and use of test methods. Fourier transform infrared spectroscopy differential scanning calorimetry thermogravimetric analysis thermomechanical analysis dynamic mechanical analysis molecular weight distribution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420239
EISBN: 978-1-62708-310-2
... diagrams. These include thermal analysis (TA), metallography, X-ray diffraction (XRD), dilatometry, electrical resistance measurement, and magnetic analysis methods, among others. All of these methods are based on the principle that when a phase transition in an alloy occurs, its physical and chemical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... Abstract This article covers the thermal analysis and thermal properties of engineering plastics with respect to chemical composition, chain configuration, and/or conformation of the base polymers. The thermal analysis techniques covered are differential scanning calorimetry, thermogravimetric...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2024
DOI: 10.31399/asm.tb.pdktmse.t56100001
EISBN: 978-1-62708-470-3
... rate, it can be difficult to obtain a large variation in cooling rates. The solidus of steels, for instance, is strongly affected by the cooling rate, a fact not generally appreciated ( Ref 6 ). Fig. 3 Schematic of a thermal analysis cup Differential scanning calorimetry (DSC) is another...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040091
EISBN: 978-1-62708-300-3
..., every method of analysis requires as input: A description of the material behavior under the process conditions, i.e., the flow stress data A quantitative value to describe the friction, i.e., the friction factor, m, or the friction coefficient, μ. These two quantities themselves (flow...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2024
DOI: 10.31399/asm.tb.pdktmse.9781627084703
EISBN: 978-1-62708-470-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
..., repair and maintenance history, service abnormalities, and abuses, if any, would also become clear during the analysis. Ultimately, the sequence of the failure would get established, differentiating between the primary cause of the failure event and the consequential secondary failures and damages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030211
EISBN: 978-1-62708-349-2
... activation, and sizing affect the nucleation and growth of crystals in many thermoplastic-matrix composites. While the degree of crystallinity can be determined from differential scanning calorimetry, x-ray analysis, or density measurements, these analytical methods provide little, if any, information...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220315
EISBN: 978-1-62708-341-6
... in the amortization of the induction equipment in an equal or shorter period of time in a high-production shop. The second example cost analysis ( Table 12.2 ) results in similar conclusions. In this example, the net energy cost includes the effects of the base fuel price, the thermal efficiency of the equipment...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720139
EISBN: 978-1-62708-305-8
... of related techniques of these methods are also covered. chemical composition dissolved gases high-temperature combustion inert gas fusion methods optical emission spectroscopy scanning auger microprobe surface analysis X-ray fluorescence spectroscopy THE OVERALL CHEMICAL COMPOSITION...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
...-poured differential carrier – with chills Typical high-conductivity chill materials are sintered powder metal compacts, such as tungsten PMC, TZM, and beryllium–copper. The average thermal conductivity values are: ( Ref 2 ) Chill material Average thermal conductivity, BTU / hr.ft.°F...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... with available data on creep, stress rupture, tension, elevated-temperature fatigue, and thermal-fatigue properties. This analysis is usually sufficient for most failure investigations, but more thorough analysis may be required when stress, time, temperature, and environment have acted to change...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260029
EISBN: 978-1-62708-336-2
... an excellent study using numerical methods to calculate the nonsteady-state temperature distribution in extrusion through conical dies. They included the temperature dependencies of the flow stress and of the thermal constants of the billet and the tool materials into the analysis. The researchers considered...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... zirconia polycrystalline (Y-TZP). It also provides information on materials selection, design optimization, and joining methods, and covers every step of the ceramic production process. brazing ceramic processing diffusion bonding structural ceramics toughened ceramics weibull analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320163
EISBN: 978-1-62708-332-4
...) for solidification simulates multidimensional heat transfer from the casting to the mold. However, the correct choice of feeder design is critical for successful application of the FEA for solidification analysis. Many casting producers use the following analytical methods for feeder design and validate the results...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... in this chapter and elsewhere in this book. Metallography Metallography is a vital part of a failure analysis investigation. It can examine crack morphology and its relationship with the microstructure present. It can help determine the thermal history of a component or region of a part and can show...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040030
EISBN: 978-1-62708-428-4
... other hazardous or difficult methods, such as electro-polishing and typically not recommended. Troubleshooting Errors in metallographic preparation of thermal spray coatings may lead to observation of a number of common issues during subsequent specimen analysis. To aid in the identification...