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specimen preparation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110413
EISBN: 978-1-62708-247-1
... dispersive x-ray (EDS) analysis is problematic in the ESEM because electron beam scattering into the beam skirt greatly degrades the lateral spatial resolution of the technique. Specimen current methods like EBIC (electron beam induced conductivity), RCI (resistive contrast imaging), and CIVA (charge-induced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses composite testing procedures, including tension, compression, shear, flexure, and fracture toughness testing as well as adhesive shear, peel, and honeycomb flatwise tension testing. It also discusses specimen preparation, environmental conditioning, and data...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720161
EISBN: 978-1-62708-305-8
... Abstract This chapter describes the methods and equipment applicable to metallographic studies and discusses the preparation of specimens for examination by light optical microscopy. Five major operations for preparation of metallographic specimens are discussed: sectioning, mounting, grinding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110461
EISBN: 978-1-62708-247-1
... based on focused ion beam milling used for TEM sample preparation. It describes the principles behind commonly used imaging modes in semiconductor failure analysis and how these operation modes can be utilized to selectively maximize signal from specific beam-specimen interactions to generate useful...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... surfaces would be damaged, it could destroy the chances for determining the fracture mechanism. Cleaning of specimens is to be done only when absolutely necessary. For the most part, it is required to prepare the sample for the scanning electron microscope (SEM). Dry air blasts or soft artist brushes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... terms of its advantages for improved contrast on low atomic number materials, discrimination between isotopes, or inspection of radioactive specimens. electromagnetic radiation gamma ray radiography neutron radiography radiation gaging real-time inspection X-ray radiography RADIOGRAPHY...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720117
EISBN: 978-1-62708-305-8
... specimen. This terminology is based on the convention established by ISO Technical Committee 17, Steel in ISO 377-1, “Selection and Preparation of Samples and Test Pieces of Wrought Steel,” where terms for a test unit , a sample product , sample , rough specimen , and test piece are defined as...
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
... diamond-tipped punch is pressed against the specimen surface with a known force to form a dimple. Softer materials have bigger dimples than harder specimens. The depth and diameter of the dimple formed in this operation corresponds to the specimen hardness. Many companies have materials hardness...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780171
EISBN: 978-1-62708-268-6
... array, determined the factor levels, and identified the output parameter, the team can prepare the test specimens, perform the test, and analyze the results. After completing the aforementioned, Taguchi recommends repeating the experiment. This is intended to minimize the risk of erroneous results...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870235
EISBN: 978-1-62708-314-0
...), illustrated in Fig. 8.8 , is often used to evaluate surface preparation techniques for long-term durability. A crack is initiated in one end of the test specimen, and its propagation in a wet environment is recorded as a function of time. Failure analysis is then performed to provide insight into the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
... failure occurs. One study used Raman spectroscopy to measure directly the strain in the silicon and corroborated it with finite element calculations to predict the location of fracture [24] . Figure 17 shows a test specimen used to characterize the fatigue life of polysilicon. The notch...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110402
EISBN: 978-1-62708-247-1
... of samples after cross-sectional mechanical polishing. Plasma cleaning using oxygen (ashing) and/or argon can also be used to remove contaminants from samples or specimen holders/stubs. Oxygen is the most effective gas for removing residues left behind by most tapes, as they tend to be organic in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... withstand the severe thermal cycle imposed by fusion welding. Many applications demand that specimens taken from a qualification-welded assembly be capable of passing 2 t 180° side-bend testing (where t is the material thickness). This test requires 20% elongation of the outer fibers of the bend specimen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
.... The optimal microstructure of carbonitrided components is fine acicular martensite with a small amount of retained austenite and containing no coarse carbide precipitations ( Ref 8 – 10 ). Specimens prepared to meet the aforementioned conditions were subjected to rotational-bending and one-point...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720085
EISBN: 978-1-62708-305-8
... precision, over a very wide test load range, as long as the test specimen is reasonably homogeneous. However, studies of microindentation hardness test results conducted over the past several years on a wide range of loads have shown that results are not constant at very low loads. This problem, called the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... ultrasonic velocity and strength for Ancorsteel 1000B. Source: Ref 1 Table 3 Characteristics of as-sintered FN-0208 alloy specimens prepared with Ancorsteel 1000B powder, 0 75% carbon, and 0 75% Acrawax C Sintering time, min Final density, g/cm 3 Ultrasonic velocity Yield strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.9781627083027
EISBN: 978-1-62708-302-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.9781627082600
EISBN: 978-1-62708-260-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... individual specimens of various characteristic and exacting automobile parts after grinding, polishing, and macroetching permit identification of the profile of the hardened pattern, for example, in the cross-sectional and longitudinal direction of the part, respectively, as well as an analysis of the...