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specimen preparation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... Abstract This chapter instructs the metallographer on the basic skills required to prepare a polished metallographic specimen. It is organized in a chronological sequence starting with the information-gathering process on the material being investigated, then moving on to sectioning, mounting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... and cures. It also provides recommendations for handling specific materials and addresses safety concerns. light microscopy metallographic sectioning specimen preparation 2-1 Introduction The preparation steps for light microscopy, often viewed as a tedious, frustrating process, are of great...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... of mounting methods and when each is advantageous Sample clamping—no mold Cavity mold—casting resin Hand mount Automated polishing X X … Hand polishing … X X Fragile features … X … Length/volume of specimens X z … Multiple samples per mount X z z Quick preparation X...
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 December 2004
DOI: 10.31399/asm.tb.tt2.t51060155
EISBN: 978-1-62708-355-3
... of polymers that display the ability to stretch and recover that is typical of a rubber band. This chapter describes the properties determined by tensile testing of elastomers and the factors influencing them, namely, structuring of the molecular matrix, compounding, specimen preparation, specimen type...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
... and a metallographer working alone at a small iron foundry. The three basic areas in all metallography laboratories are discussed: the specimen preparation area, the polishing/etching area, and the observation/micrography area. Important safety issues in a metallographic laboratory are also considered. heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310119
EISBN: 978-1-62708-346-1
... and processes involved in the durometer (Shore) test, the International Rubber Hardness Degree test, and other specialized tests. It presents the criteria that can be used to select a suitable hardness testing method for elastomers or plastics and describes processes involved in specimen preparation...
Image
Published: 01 August 1999
to protect the outer edge of the scale during specimen preparation. A, unetched, 1000×. B, hydrochloric-alcohol, 1000×. (b) The white band at the top of the micrograph is an electrodeposit of nickel used to protect the outer edge of the scale during specimen preparation. Unetched. 1000×. (c) A, unetched More
Image
Published: 01 August 1999
to protect the outer edge of the scale during specimen preparation. A, unetched, 1000×. B, hydrochloric-alcohol, 1000×. (b) The white band at the top of the micrographs is an electrodeposit of nickel used to protect the outer edge of the scale during specimen preparation. Unetched. 1000×. (c) A, unetched More
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
Image
Published: 01 August 2018
a surface roughness better than 2 μm. Image taken with “3D optical microscope” is ideal to check the quality of specimen preparation. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060183
EISBN: 978-1-62708-355-3
... Tabs Specimen Design Specimen Preparation Limitations of the ASTM D 638 Method Unidirectional Testing Width Tapered Coupon Tensile Tests Standardization Specimen Preparation Stress State Limited Gage Section Volume Fundamentals of Tensile Testing of Composite Materials...
Image
Published: 01 August 1999
to protect the outer edge of the scale during specimen preparation; the black band between the scale and the substrate is a discontinuity: the scale has become detached from the substrate. (a) Unetched. 1000×. (b) Hydrochloric-alcohol. 1000×. (c) Outer surface. Unetched. 2000×. (d) Oxide-metal More
Image
Published: 01 August 1999
used to protect the outer edge of the scale during specimen preparation; the black band between the scale and the substrate is a discontinuity: the scale has become detached from the substrate. (a) Unetched. 1000×. (b) Hydrochloric-alcohol. 1000×. (c) Outer surface. Unetched. 2000×. (d) Oxide More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040030
EISBN: 978-1-62708-428-4
... Abstract This article presents best practices for the metallographic preparation of specimens produced via thermal spray coating methods. It outlines typical metallographic preparation process flow, highlighting important considerations for obtaining a clear and representative specimen suitable...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400149
EISBN: 978-1-62708-258-7
... that are not part of the microstructure. As is seen later in Chapter 7 , the specimen preparation for an automatic image analyzer must be closely controlled in order to prevent inaccurate measurements. Sample Requirements It must be pointed out that the metallographic specimens for an image analyzer must...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270063
EISBN: 978-1-62708-301-0
... but not the primary cause. Such cases are included in this section only to indicate the location and possible failure modes in such components. In these investigations, members of the Failure Analysis and Accident Investigation Group contributed significantly at various stages, such as specimen preparation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030115
EISBN: 978-1-62708-349-2
... are observable using any other available microscopy techniques. This chapter describes the various aspects relating to the selection and preparation of ultrathin-section specimens of fiber-reinforced polymeric composites for examination by transmitted-light microscopy techniques. The preparation steps covered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030043
EISBN: 978-1-62708-349-2
... cloth. Note the rounded fiber interface and the lack of interferometer bands on the longitudinal fibers. Abstract Rough grinding and polishing of mounted specimens are required to prepare the composite sample for optical analysis. This chapter describes these techniques for preparing composite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... the purposes of corrosion tests, the logical steps in a test program, and the preparation and cleaning of test specimens. The focus then moves on to discuss the types and applications of these test categories and the associated evaluation procedures. Excluding electrochemical tests which are addressed...