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composition analysis

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030137
EISBN: 978-1-62708-349-2
... separations or terminations in the center of composite laminates are also found as part of the design or as a result of manufacturing problems. In either situation, the part requires analysis to observe how the adjacent plies are affected. Figure 7.2 shows an example of how prepreg ply terminations can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
... in composite materials; they are generally categorized as voids that are due to volatiles (such as solvents, water) or voids that result from entrapped air. This chapter describes the analysis of various types of voids. It reviews techniques for analysis of voids at ply-drops, voids due to high fiber packing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030159
EISBN: 978-1-62708-349-2
... in composite materials may arise from static-, dynamic-, impact-, or fatigue-loading situations and also by temperature changes or thermal cycles. This chapter discusses the processes involved in the various methods for the microcrack analysis of composite materials, namely bright-field analysis, polarized...
Image
Published: 01 November 2010
Fig. 2.2 Glass fiber honeycomb composite part submitted for failure analysis. The coordinates were established with a tape measure and a felt-tip permanent-ink marker. The starting point is the lower left corner, numbering “1” to “15” vertically (next to holes) and “A” through “E” horizontally More
Image
Published: 01 December 2008
Fig. 4.20 Analysis of miscibility gap island in a composite system of compounds More
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
...) and, in some cases, carbon and sulfur in metals. This chapter discusses the operating principles of XRF, OES, combustion and inert gas fusion analysis, surface analysis, and scanning auger microprobe analysis. The details of equipment set-up used for chemical composition analysis as well as the capabilities...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860001
EISBN: 978-1-62708-338-6
... oil platform drill risers, high-speed rotors, and filament-wound preforms. composite structural analysis deep sea oil platform drill risers filament winding filament winding machine filament-wound preforms high-speed rotors machine control pipes pressure vessels Introduction...
Image
Published: 01 March 2002
Fig. 6.27 Preparing a specimen from an AISI/SAE 1335 steel bar for compositional analysis on the electron probe microanalyzer. (a) Vickers microhardness indentations used to mark the location of ferrite banding and (b) the same location with the etch removed by light polishing. 4% picral etch More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780093
EISBN: 978-1-62708-268-6
... and environmental approaches, and chemical and composition analysis for assessing material characteristics. This chapter is a detailed account of the working principle and the steps involved in these techniques and technologies. analytical equipment chemical analysis composition analysis dimensional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110461
EISBN: 978-1-62708-247-1
..., and analytical techniques for composition analysis are discussed. The article also provides information on the use of off-axis electron holography technique in failure analysis. electron energy loss spectroscopy energy dispersive spectroscopy energy-filtered transmission electron microscopy failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930039
EISBN: 978-1-62708-359-1
... of the weld, and compositional analysis. The third component of weld characterization is the measurement of mechanical and corrosion properties. The goal of any weld is to create a structure that can meet all the demands of its service environment. In many cases, the best way of assessing the performance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... diffraction, and neutron diffraction. These techniques provide information on the chemical composition of the material, microstructure and phase analysis, and also the surface characteristics. From a failure investigation point of view, the characterization of boiler tubes entails the determination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780417
EISBN: 978-1-62708-281-5
..., and/or environmental condition. The fractographs can then be used in the analysis of component failures. This article depicts typical fractographic features for a number of different composite materials. Although not all-inclusive by any means, the fractographs depict a range of different, yet typical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... the course of the series. Integration techniques Single largest error-producing parameter in HPLC analysis Must evaluate computer parameters and specify conditions that produce consistent integration for each fraction in a mixture. Because of its ability to follow the changing composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420239
EISBN: 978-1-62708-310-2
... be no more representative of the composition of the alloy investigated than is the sample taken for analysis. Segregation can easily cause a variation of several percent from point to point in castings of some materials. The analytical sample should be taken in such a way as to obtain an average...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030211
EISBN: 978-1-62708-349-2
... section. Phase contrast, 40× objective Fig. 12.9 Transmitted-light microscopy of the natural fiber composite ultrathin section. Hoffman modulation contrast, 40× objective Abstract Microstructural analysis of the composite matrix is necessary to understand the performance of the part...
Image
Published: 01 November 2010
Fig. 10.5 Preformed-particle-modified interlayer regions of various carbon fiber composite materials showing differences in the optical analysis technique and the sample-preparation method. (a) Reflected-light optical analysis of an interlayer region showing particles residing More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030089
EISBN: 978-1-62708-349-2
... the paint layer (10× objective). (b) A fluorescent penetration dye (Magnaflux Zyglo) was applied on the surface of the specimen to enhance the contrast of the microcracks. Epi-fluorescence, 390–440 nm excitation, 10× objective Abstract The analysis of composite materials using optical microscopy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400149
EISBN: 978-1-62708-258-7
... the secondary electron image. Gold sputtering is essential for nonconducting surfaces (e.g., oxide layers) as well as surfaces containing large cavities. The sputtered layer is applied uniformly using a special device shown in Fig. 6.23 . If EDS analysis is required to qualitatively analyze the composition...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780147
EISBN: 978-1-62708-268-6
... in this area. Composite Structures produced the blades in a clean-room environment and carefully monitored it for potential contaminants, but no contaminants were found in the disbonded blades. The problem persisted. Composite Structures assembled a failure analysis team to focus on this problem. The team...