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scratch hardness tests

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310091
EISBN: 978-1-62708-346-1
...Abstract Abstract This chapter discusses the characteristics, advantages, and disadvantages of nondestructive hardness testing methods for metals, including electromagnetic impulse testing, photothermal testing, scratch hardness testing, and ultrasonic contact impedance testing. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... 2. “ Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus ,” ASTM G171, ASTM International , 2017 Selected References Selected References • Dillon C.P. , Corrosion Control in the Chemical Process Industries , MTI/Inco International , Houston , 1994...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... is taking place because the wear scar shows scratches aligned with the travel direction. This is not hard particle abrasion; scratching is a typical manifestation in metal-to-metal or in other nonabrasion tests. The metal-to-metal scars in Fig. 5.14 show scratches. These scratches are not from abrasive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310001
EISBN: 978-1-62708-346-1
... of the 19th century. Table 1 records significant stages in the development of hardness testing. Historical overview Table 1 Historical overview 1640 Barba scratched precious stones with a file. 1722 R.A. Réaumur scratched steel with minerals and evaluated metals with two prisms positioned...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300363
EISBN: 978-1-62708-323-2
.... Nanoindenters are widely used to study hard phases in metals and plastics, and they can extract modulus information with an indentation mark only tens of nanometers deep. This test is also widely used on hair care products such as softeners. Does a particular softener soften hair? Nanoindenters provide...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850334
EISBN: 978-1-62708-260-0
... most commonly employed to evaluated hardness. Types of hardness tests Table 5-1 Types of hardness tests Scratch tests A series of minerals, as in the Mohs test, or files of graded hardness are run across a sample of unknown hardness until one determines that a certain standard...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... quality, any minor deficiencies, such as very fine polishing scratches, must not alter the structure to the point that correct interpretation becomes difficult. Many problems can be encountered, some of which are merely annoying, while others, if not recognized, are quite damaging. In situations where one...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140039
EISBN: 978-1-62708-264-8
... tensile tests; Rockwell, Brinell, Vickers, and Knoop hardness tests; and Charpy V-notch impact tests. The chapter also provides information on loading conditions that can lead to fatigue failure, and in some cases, counteract or prevent it. fatigue failure hardness test mechanical properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
... hardening, case (surface) hardening, and nitriding as well as hard chrome plating, vapor deposition, and thermal diffusion coating. It explains how to measure wear resistance using various tests and provides guidelines for selecting tool materials, treatments, and coatings. chemical vapor deposition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... of a polymer surface when it comes in contact with another surface. Historically, polymer wear has been studied based on the prevailing wear mechanisms at the contact zone (between the polymer surface and a hard counterface), which led to several methods of classification. The classification of polymer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... Society for Non-Destructive Testing , “Application of Contemporary Non-Destructive Testing in Engineering,” September 1–3, 2005 , Portorož, Slovenia , p 359 – 68 12. “ Standard Practice for Production and Evaluation of Field Metallographic Replicas ,” E1351-01, ASTM , 2006 13...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
... temperatures. This hardness testing equipment may be in a separate room near the metallographic laboratory. Also, a hot stage accessory for a microscope is useful in studying changes in microstructure on heating and cooling. The hot stage setup should also include a video camera to record microstructural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
.... (b) In certain types of 3-body abrasive wear tests, notably the dry sand-rubber wheel test, the hardness of the material that is pressing the loose abrasive particles against the test specimen can have a significant effect on the results. Typical testing geometries for wear tests of various...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440027
EISBN: 978-1-62708-262-4
...Abstract Abstract This chapter discusses the general principles of measuring hardness and hardenability of steel. The discussion begins by defining hardness and exploring the history of hardness testing. This is followed by a discussion on the principles, applications, advantages...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
..., where some compounders ran wear tests on large hardened tool steel counterfaces and assumed their wear to be zero. As shown in Fig. 11.13 , some plastics can produce significant wear on a metal counterface. Figure 11.15 shows scratching abrasion of 60 HRC 52100 steel after 10,000 rubs on a glass...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780177
EISBN: 978-1-62708-281-5
.... In addition, details on ad hoc tests used for determining the acceptability of a plastic part for its application are provided, along with typical examples. optical components optical test plastics plastic parts OPTICAL TESTING of plastics includes characterization of materials and analysis...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... of red fumes Fig. 11.6 Percent increase in hardness with depth into material for nitrogen ion implanted in the alpha-beta alloy Ti-6Al-4V Fig. 11.7 Percent increase in hardness with depth into material for nitrogen ion or carbon ion implanted in the alpha-beta alloy Ti-6Al-4V...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
...Abstract Abstract This chapter provides an overview of the various inspection methods used with metals and alloys, namely visual inspection, coordinate measuring machines, machine vision, hardness testing, tensile testing, chemical analysis, metallography, and nondestructive testing...