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indentation hardness

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004043
EISBN: 978-1-62708-185-6
... Brinell hardness numbers for steel Brinell indentation diam, mm Brinell hardness number (a) 3000 kgf load, 10 mm ball (a) Vickers hardness No. Rockwell hardness No. Rockwell superficial hardness No., diamond indenter Knoop hardness No., 500 gf load and greater Scleroscope hardness No...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004044
EISBN: 978-1-62708-185-6
... Rockwell B scale (100 kgf load with a 1.58 mm, or 1 16 in. steel ball indenter) generally is suitable in testing grades that have been precipitation hardened to relatively high strength levels. For softer grades and commercially pure aluminum, hardness testing usually is done with the Rockwell F...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001297
EISBN: 978-1-62708-170-2
... discussed. For films which are adherent to their substrates, indentation testing is used to evaluate hardness, creep, and strength. adherent films beam-bending methods biaxial testing creep freestanding films hardness indentation testing mechanical properties strength substrates thin films...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004017
EISBN: 978-1-62708-185-6
... tests, such as the tension test, ring compression test, plane-strain compression test, bend test, indentation test, and forgeability test. It concludes with information on the role of the finite-element modeling software used in workability analysis. bend test bulk forming processes cracking...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001243
EISBN: 978-1-62708-170-2
.... Rather, the as-plated brightness can serve as an indication of hardness. The hardness of chromium plate cannot be accurately determined by the common hardness testers, such as Brinell and Rockwell, because hard chrome is generally too thin for these tests. The indentation produced in these tests...
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
... machine and be balanced on the pedestal Vickers hardness Hardness Test is slow Careful surface preparation of the specimen is necessary Measurement of indentation is operator dependent and results in variation Microindentation hardness testing Vickers hardness Hardness Result does not...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003103
EISBN: 978-1-62708-199-3
... hardenability of steels. The basic information needed before a steel with adequate hardenability can be specified as the as-quenched hardness required prior to tempering to final hardness that will produce the best stress-resisting microstructure; the depth below the surface to which this hardness must extend...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... hardness testers, which can be either portable instruments or laboratory devices. Only static indentation and rebound testing are discussed in this article. These two methods account for virtually all routine hardness testing in the metalworking industry. Static indentation hardness testing is the more...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006649
EISBN: 978-1-62708-213-6
... releases the stresses and minimizes the carbon and oxygen content, so that the iron powder softens. To measure particle hardness, indentation hardness tests, such as the Vickers microhardness (MHV) test, can be used. Under an optical measurement system, a pyramidal-pointed diamond is impressed into the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
.... The article describes testing methods such as room and high-temperature strength test methods, proof testing, fracture toughness measurement, and hardness and wear testing. It also explains methods for determining thermal expansion, thermal conductivity, heat capacity, and emissivity of ceramics and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
... oil at 55 °C (130 °F). The 4615 mod steel parts were austenitized at 790 °C (1450 °F), quenched in salt at 190 °C (375 °F) for 3 min, and cooled in air. The indentation hardness data presented in Fig. 6 for five different steels indicate the effects of normal variations in practice on the...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006016
EISBN: 978-1-62708-172-6
... details postcoating application quality requirements, including measuring of dry-film thickness, assessing intercoat cleanliness, verifying minimum and maximum recoat intervals, performing holiday/pinhole detection, conducting cure/hardness testing, and assessing adhesion of the applied coating system...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006254
EISBN: 978-1-62708-169-6
... alloys and the relationship between hardness and mechanical properties of the alloys. The article discusses the effects of elements such as aluminum, zinc, manganese, rare earths, and yttrium, on precipitation hardening. It describes the types of heat treatment for magnesium alloys, including annealing...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005677
EISBN: 978-1-62708-198-6
... sealants, dental cements, porcelain and plastic denture teeth, dental feldspathic porcelain and ceramics, endodontic instruments, periodontal Instruments, and orthodontic wires. The article describes the correlations of properties, such as hardness, fracture toughness, and wear. It discusses wear mechanism...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003086
EISBN: 978-1-62708-199-3
.... Hardness is the resistance of a material to plastic indentation. While the measurement of hardness can involve only a simple scratch test or bounce test, it usually involves the amount of indentation caused by the application of a hard indenter of some standard shape and material. Hardness values are...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001241
EISBN: 978-1-62708-170-2
... through all these processes largely depends on the work material properties. This section addresses the relative response of work materials such as metals, ceramics, and composites to grinding. Hardness is the resistance to indentation. Because every surface...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006256
EISBN: 978-1-62708-169-6
... orientation using beta treatment. It lists the typical mechanical properties of DU as functions of the amount of cold work and hardness data of uranium rod, and describes the annealing of cold-worked DU. The article also describes the heat treatment of dilute alloys of DU, focusing on the three basic furnace...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003089
EISBN: 978-1-62708-199-3
... Similarly, yield strength, or hardness, determines the limits in deformation and machining processes. Forging and rolling loads are related to yield strength and tool life (tool load and temperature generation) in machining scales with the hardness of the material being machined. Ultimately the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... penetration of another material. This is usually measured by forcing a small point of a hard material into a flat surface of the subject material and measuring the depth of penetration. Unfortunately, if some of the applications already listed are considered, the wear is not just a function of indentation...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005324
EISBN: 978-1-62708-187-0
... EN-GJS-1200-2 1200 … 850 … 2 … … 340–440 EN-GJS-1400-1 1400 … 1100 … 1 … … 380–480 (a) Unnotched Charpy bars tested at room temperature. Value is the minimum average for the three highest values of four bars tested. (b) Hardness Brinell tungsten carbide ball indenter...