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quantitative thermal analysis

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... analysis of nonmetallics. Advances in chemical analysis methods for failure analysis are also covered. bulk analysis chemical analysis failure analysis microscale analysis thermal analysis CHEMICAL ANALYSIS is a critical part of any failure investigation. With the right planning and proper...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001532
EISBN: 978-1-62708-232-7
... features influencing ICDP roll quality, viz. characteristics of graphite, carbides, martensite, etc., have been extensively studied through optical microscopy, quantitative image analysis (QIA), and electron-probe microanalysis (EPMA). These are discussed in the context of spalling propensity and roll life...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
...Abstract Abstract Identification of alloys using quantitative chemical analysis is an essential step during a metallurgical failure analysis process. There are several methods available for quantitative analysis of metal alloys, and the analyst should carefully approach selection of the method...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... ): A conceptual design stage involving the definition of product specification (or functions) and the underlying physical concept and preliminary layout to achieve the intended functions A detailed design stage involving both the qualitative definition of part configuration and the quantitative analysis...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... specification (or functions) and the underlying physical concept and preliminary layout to achieve the intended functions A detailed design stage involving both the qualitative definition of part configuration and the quantitative analysis of design parameters (e.g., dimensions, tolerances, materials...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001571
EISBN: 978-1-62708-229-7
... estimates were reasonable and suggested that quantitative microscopy, aided by selective etching, might permit a more precise estimate of the degree of thermal exposure. Subsequently, the writer obtained the metallographic specimen from Dr. G. E. Korth of the Idaho National Engineering Laboratory...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... graph and enabling the quantitative measurement of components. Thermogravimetric analysis is useful to characterize polymers containing different amounts of additives; the thermal stability of the polymer can be obtained from the decomposition profile. There may be a residue left when inorganic fillers...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001133
EISBN: 978-1-62708-214-3
... analysis indicated that a decarburized layer existed on all surfaces of the casting, which prevented bonding during the sintering thermal cycle. Bead-to-bead bonding within the coating appeared sufficient, and no decarburized layer was present on the bead surfaces. It was concluded that the decarburization...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001281
EISBN: 978-1-62708-215-0
... area. Etched with Marble's reagent. (a) 30.5×. (b) 61×. Material The composition of the base metal was analyzed by quantitative chemical analysis. The chemical composition met the requirements for X-40, as shown in Table 1 . Results of chemical analysis Table 1 Results of chemical...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... – 14 11. Li X. W. , Tian J. F. , Kang Y. , and Wang Z. G. , Quantitative Analysis of Fracture Surface Roughness , Scr. Metall. Mater. , Vol 33 , 1995 , p 803 – 809 12. Baggerly R. G. and Archbold T. , Quantitative Fractography of Fatigue Fracture...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001848
EISBN: 978-1-62708-241-9
... Introduction Industrial Problem and Experimental Procedure Result and Discussion Conclusion Acknowledgments References References 1. Chastel Y. , Caillet N. , Bouchard P.O. : Quantitative analysis of the impact of forging operations on fatigue properties of steel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001449
EISBN: 978-1-62708-221-1
... Conclusions Selected Reference Selected Reference • Becker W.T. and McGarry D. , Mechanisms and Appearances of Ductile and Brittle Fracture in Metals , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 587 – 626 10.31399/asm.hb.v11.a0003538...
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
..., contamination, degradation, chemical contact Differential scanning calorimetry (DSC) Heat of fusion, melting point, glass transition temperature, heat capacity Material identification, level of crystallinity, aging/degradation, thermal history Thermogravimetric analysis (TGA) Weight loss over...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
..., or combinations thereof. Possible root causes also include design mistakes such as inadequate stress analysis, alloy selection, improper mechanical/thermal processing, improper assembly, and failure to accommodate an adverse operating environment. Fractography provides a unique tool to determine potential causal...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
...) Neocuproine photometric analysis (i) Analysis by inert gas fusion; thermal conductivity defection. (j) Vacuum fusion analysis Fig. 15 Examples of the normal microstructure of the axles. Specimens were taken well away from the fracture surface. (a) Axle 2028. Etched with 2% nital. 100×. (b...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003542
EISBN: 978-1-62708-180-1
... in Failure Analysis , STP 645, Strauss B.M. and Cullen W.H. Jr. , Ed., American Society for Testing and Materials , 1978 , p 363 – 379 • Michalske T.A. , Quantitative Fracture Surface Analysis , Ceramics and Glasses , Vol 4 , Engineered Materials Handbook , ASM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
...Abstract Abstract In this study, the failure modes of cartwheel and mechanical properties of materials have been analyzed. The results show that rim cracking is always initiated from stringer-type alumina cluster and driven by a combination effect of mechanical and thermal load. The strength...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001658
EISBN: 978-1-62708-229-7
... were selected and, again using the electron microprobe for quantitative analysis, the chromium concentration in the dense layer of each particle was measured. The values were between 3.1% Cr and 4.4% Cr. The metal-side layer of the oxide growing on a 2- 1 4 % Cr 1% Mo tube contained 3.0...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001521
EISBN: 978-1-62708-229-7
... . Semi-quantitative analysis of the gray phase revealed its composition to be 86Cu, 13O, and 1Cl. Similar analysis of the matrix revealed 70.0Cu, 25.6Zn, 3.4O, and 1Sn, which is in agreement with the product check analysis. Fig. 6 Based on electron probe micro-analysis using elemental X-ray maps...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... deformation characteristics differ widely. Uses and Limitations in Failure Analysis Bend tests are conducted to determine the ductility or strength of a material. Bend tests for ductility differ fundamentally from other mechanical tests in that most mechanical tests are designed to give a quantitative...