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thermomechanical analysis

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... 151 305 130 265 T g 40 0.7 517 960 28.3 DSC, differential scanning calorimetry; TMA, thermomechanical analysis; TGA, thermogravimetric analysis; PVC, polyvinyl chloride; ABS, acrylonitrile-butadiene-styrene; PET, polyethylene terephthalate. Experimental conditions: Heating rate = 10...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
... temperature or time Composition, thermal stability, evolved gas analysis Thermomechanical analysis (TMA) Dimensional changes over temperature Coefficient of thermal expansion, material transitions, molded-in stress, chemical compatibility Dynamic mechanical analysis (DMA) Elastic modulus, viscous...
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
... , and the melt temperature, T m , because they characterize the useful working temperature range of the material. Either differential scanning calorimetry (DSC) or thermomechanical analysis (TMA) can be used to determine both T g and T m , as well as other thermal events. Repeat analysis can be used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
... of polymers are then provided. The article concludes with information on three distinctive, but complementary operations of thermoanalytical techniques, namely differential scanning calorimetry, thermogravimetric analysis, and thermomechanical testing. differential scanning calorimetry...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
...Abstract Abstract A systematic procedure for minimizing risks involved in heat treated steel components requires a combination of metallurgical failure analysis and fitness for service with respect to safety and reliability based on risk analysis. This chapter begins with an overview of heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... Abstract This chapter provides a detailed review of creep-fatigue analysis techniques, including the 10% rule, strain-range partitioning, several variants of the frequency-modified life equation, damage assessment based on tensile hysteresis energy, the OCTF (oxidation, creep, and thermomechanical fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.9781627082815
EISBN: 978-1-62708-281-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... pattern. Other useful tools are infrared spectroscopy for the qualitative and quantitative analysis of raw materials and, in certain cases, extent of cure; thermal analysis techniques, including differential scanning calorimetry and thermogravimetric and thermomechanical analyses for chemical reactivity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... Fig. 36 (a) Mechanical strain/temperature variation in out-of-phase thermomechanical (TMF OP), in-phase thermomechanical (TMF IP), and isothermal fatigue (IF). (b) Out-of-phase thermomechanical stress-strain response. (c) In-phase thermomechanical stress-strain response. Source: Ref 19 Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
... for thermomechanical fatigue (TMF) strain-hold cycling for <italic>y = A</italic>′<italic>(</italic>Δε<sub><italic>T</italic></sub><italic>)</italic><sup>α</sup><italic>(</italic>δ<italic>t)m</italic> for 2¼Cr-1Mo steel, postweld, heat treated condition Table 6.1 Constants for K ij and F ij correlations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
... includes a variety of application examples. closed-die forging finite-element analysis impression-die forging microstructure process modeling 16.1 Introduction 16.2 Information Flow in Process Modeling 16.3 Process Modeling Input 16.4 Characteristics of the Simulation Code 16.5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980417
EISBN: 978-1-62708-342-3
... to 1000 K Fluctuating loads on tool materials during the extrusion cycle that cause creep fatigue, oxidation, or wear Table 7.14 Fluctuating loads on tool materials during the extrusion cycle that cause creep fatigue, oxidation, or wear Thermomechanical Thermal Fluctuating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
... G.R. Lerch B.A. Saltsman J.F. and Arya V.K, , “Proposed Framework for Thermomechanical Fatigue (TMF) Life Prediction of Metal Matrix Composites (MMCs),” STP 1186, American Society for Testing and Materials , 1993 , p 176 – 194 10.1520/STP24256S 9.3 Lerch B.A...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220475
EISBN: 978-1-62708-259-4
... pearlite colony. Etchant: nital 2% and picral 4%. Courtesy of National Institute of Standards and Technology. Source: Ref 4 Fig. 14.5 Microstructures obtained with the use of thermomechanical processing in seamless tubes with a basic composition of approx. C = 0.15%, Mn = 1.5%, Si = 0.45...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
... (t is time of thermal exposure) for superalloys (based on Ref 7 , 8 , 64 , and 69 ). Fig. 9.32. Effect of coating on fatigue life of IN 738 tested in thermomechanical fatigue using linear, out-of-phase cycles with peak temperature of 870 °C (1600 °F) and no hold time ( Ref 25...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780314
EISBN: 978-1-62708-281-5
... in a polytetrafluoroethylene (PTFE) bag containing oil saturated with water. Thermomechanical analysis is also a recognized method for measuring T g ( Ref 16 ). Another method of assessing T g of composite materials by modulus measurement is used in the aerospace industry. A number of specimens of a size suitable...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220101
EISBN: 978-1-62708-259-4
... near equilibrium. The discussion focuses on the iron-carbon (Fe-C) system. Understanding these concepts is fundamental for a proper understanding of the transformations that occur during steel solidification, heat treatments, and thermomechanical processing. Discussion of the Fe-C system...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490111
EISBN: 978-1-62708-340-9
... York , 1961 , p 325 4. Various sources as cited in Atlas of Fatigue Curves , Boyer H.E. , Ed., American Society for Metals , Metals Park, OH , 1986 5. Failure Analysis: The British Engine Technical Reports , compiled by Hutchings F.R. and Unterweiser P.M...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220353
EISBN: 978-1-62708-259-4
... plate shown in Fig. 11.48 , slow cooled. The hardness prints indicate the location where the microprobe (WDS) analysis started and ended. Chemical analysis (WDS), shown in (b). Heat analysis: C = 0.16%, Mn = 0.26%, P = 0.008%, S = 0.009%, Si = 0.22%, Ni = 2.62%, Cr = 1.32%, Mo = 0.25%. Reprinted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... analysis in process development and die design. It also discusses heating methods, cooling mechanisms, and the role of coatings in preventing oxidation. finite element simulation hot stamping ultrahigh-strength steel IN THE AUTOMOTIVE INDUSTRY, to improve vehicle safety and reduce fuel...