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Brinell hardness testing

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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
... Abstract This chapter discusses the operating mechanism, applications, advantages, and limitations of Brinell hardness testing, Rockwell hardness testing, Vickers hardness testing, Scleroscope hardness testing, and microhardness testing. In addition, the general precautions and selection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... hardness with tensile strength. Source: Ref 3 The most common types of hardness tests are indentation methods. These tests use a variety of indentation loads ranging from 1 gf (microindentation) to 3000 kgf (Brinell). Low and high powered microscopes (Brinell, Vickers, and microindentation) are...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... be allowed. Hardness testing is often used to verify the effectiveness of the heat treatment applied to actual castings. Its general correlation with the tensile strength of many ferrous alloys allows a rough prediction of tensile strength to be made. The Brinell hardness test is most...
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
... Abstract Hardness tests provide valuable information about the quality of materials and how they are likely to perform in different types of service. This chapter covers some of the most widely used hardness testing methods, including Vickers, Rockwell, and Brinell tests, Shore scleroscope and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440027
EISBN: 978-1-62708-262-4
... commonly used hardness testing systems: the Brinell, Rockwell, Vickers, Scleroscope, and various microhardness testers that employ Vickers or Knoop indenters. The effect of carbon content on annealed steels and hardened steels is then discussed. A brief discussion on the concept of the ideal critical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060465
EISBN: 978-1-62708-261-7
... Abstract This appendix includes tables and figures that provide approximate Brinell equivalent hardness numbers for steels. Brinell equivalent hardness number steel HARDNESS CONVERSIONS ( Fig. A3.1 and Table A3.1 ) are empirical relationships limited to specific categories of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130529
EISBN: 978-1-62708-284-6
...; less accurate for cold-worked condition and for austenitic steels. (a) Hardness values outside the recommended range for Brinell testing per ASTM E10. Source: ASTM E140, except for values for tensile strength, which are not from standards Table A3.4 Approximate equivalent hardness numbers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... Abstract This chapter explains how metallography and hardness testing are used to evaluate the quality and condition of metal products. It also discusses the use of tensile testing, fracture toughness and impact testing, fatigue testing, and nondestructive test methods including ultrasonic, x...
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
...; 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 notched impact test...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610025
EISBN: 978-1-62708-303-4
... embrittlement. The chapter also covers compression, shear, and torsion testing, the prediction of yielding, residual stress, and hardness. compression hardness notched tensile test shear stress-strain curve tension MANY MATERIALS, both during initial fabrication and later when placed in service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440283
EISBN: 978-1-62708-262-4
... for surface hardness, effective case depth, and core hardness. The test pin diameter chosen was based on the gear tooth thickness and the fact that the test pin center cooling rate would be on the steeper portion of the Jominy hardenability curve. This meant that monitoring the center core hardness of...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290193
EISBN: 978-1-62708-319-5
... load, and measurement—depth, width, or length of the indent. Unlike destructive strength tests, hardness indents are small and hardly noticeable. Hardness scales include Rockwell, Knoop, Vickers, and Brinell. Conversion tables allow approximate comparisons between the scales. In the Brinell test, a...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240201
EISBN: 978-1-62708-251-8
... by the penetrator. The Brinell hardness tester is another widely used test for large steel parts, such as crankshafts, where a minimum of depth of penetration is needed. Microhardness tests (Vickers and Knoop) can be made on individual constituents of a microstructure, and it is possible to determine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... pathways, and relevant test and measurement procedures. It describes life assessment methods based on hardness, wall thickness, scale formation, microstructure, and creep. It also includes a case study on the determination of the residual life of a secondary superheater tube. boiler tubes remaining...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... specimen is required, as in microhardness testing. Portable hardness testers are useful for field examination, but the type of hardness test must be appropriate for the sample. For example, Brinell is preferred over Rockwell for a gray cast iron part. One must ensure the proper load is used for the test...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... in the HAZ are not overlooked in weld procedure qualification, many standards now require the use of the Vickers hardness testing for welds, using 5 or 10 kg (e.g., ASTM E92) loads, because the larger indenter used for Rockwell C measurements (often stipulated for parent material) will not identify...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130285
EISBN: 978-1-62708-284-6
... where HB is the Brinell hardness after hardening and tempering, H h is the Rockwel (HRC) hardness after hardening, and T t is the tempering temperature in °C. This equation was developed for the following conditions: H h = 20 to 65 HRC and T t = 500 to 600 °C C = 0.20 to 0.54%, Si = 0.17...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220273
EISBN: 978-1-62708-259-4
...   ( MPa ) = 3.55 × HB   HB ≤ 175 UTS   ( MPa ) = 3.38 × HB   HB > 175 where HB is the Brinell hardness measured with a 10 mm (0.4 in.) diameter sphere and a load of 3000 kgf. Hardness is only required as a design property when wear is an important issue in the part...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400149
EISBN: 978-1-62708-258-7
... • Lozinskii M.G. , High Temperature Metallography , Pergamon Press , 1961 Hardness Testing • Boyer H.E. , Ed., Hardness Testing , ASM International , 1987 Many metallographic laboratories have an image analyzer as part of the observation/photographic facilities. As the name...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... specimen is required, as in microhardness testing. Portable hardness testers are useful for field examination. But the type of hardness test must be appropriate for the sample. For example, Brinell is preferred over Rockwell for a gray cast iron part. One must ensure the proper load is used for the test...