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Brinell hardness test

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Image
Published: 01 January 2000
Fig. 14 Computerized Brinell hardness testing optical scanning system More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003271
EISBN: 978-1-62708-176-4
... Abstract This article describes the principal methods for macroindentation hardness testing by the Brinell, Vickers, and Rockwell methods. For each method, the test types and indenters, scale limitations, testing machines, calibration, indenter selection and geometry, load selection...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003270
EISBN: 978-1-62708-176-4
... Abstract Hardness testing is perhaps the simplest and the least expensive method of mechanically characterizing a material. This article provides an overview of the principles of hardness testing. It compares Brinell with Meyer hardness testing and hardness testing of fully cold worked metals...
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
... but is generally used as a pass/fail evaluation Hardness testing Macroindentation hardness testing Rockwell hardness Hardness Need smooth surface finish, flat surface, and parallel sides Sample must fit within the machine and be balanced on the pedestal Brinell hardness Hardness Need smooth...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003276
EISBN: 978-1-62708-176-4
... Abstract This article reviews the factors that have a significant effect on the selection and interpretation of results of different hardness tests, namely, Brinell, Rockwell, Vickers, and Knoop tests. The factors concerned include hardness level (and scale limitations), specimen thickness...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0009224
EISBN: 978-1-62708-176-4
... by dividing the maximum applied load ( P ) by the area of the indentation measured either over the surface of the indenter (Brinell hardness) or in the plane of the surface indented (Meyer hardness). In both the Brinell and Meyer tests, the indenter is a sphere, Fig. 1(a) , and: (Eq 1) H B...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005184
EISBN: 978-1-62708-186-3
.... (a) Hardness values outside the recommended range for Brinell testing per ASTM E 10. Source: ASTM E 140, except for values for tensile strength, which are not from standards Approximate equivalent hardness numbers for Brinell hardness numbers for steel Table 4 Approximate equivalent hardness numbers...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0006001
EISBN: 978-1-62708-168-9
... the recommended range for Brinell testing per ASTM E10. Source: ASTM E140, except for values for tensile strength, which are not from standards Approximate equivalent hardness numbers for Brinell hardness numbers for steel Table 4 Approximate equivalent hardness numbers for Brinell hardness numbers...
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
... accurate for cold-worked condition and for austenitic steels. (a) Hardness values outside the recommended range for Brinell testing per ASTM E 10. Source: ASTM E 140, except for values for tensile strength, which are not from standards Approximate equivalent hardness numbers for Brinell hardness...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003278
EISBN: 978-1-62708-176-4
... condition and for austenitic steels. (a) Hardness values outside the recommended range for Brinell testing per ASTM E 10. Source: ASTM E 140, except for values for E scale and tensile strength, which are not from standards. Approximate equivalent hardness numbers for Brinell hardness numbers...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
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
... Dynamic Reaction force Piezo-electric crystal principle Rebound Mechanical Electronic (EQUO) method Source: P.F. Aplin, Classification and Solution of Portable Hardness-Testing Equipment, Non-Destructive Testing, Vol 1, Elsevier Science Publishers, 1989, p 683–688 Brinell Hardness...
Image
Published: 01 January 1990
Fig. 9 Hot hardness (mutual indentation Brinell) of high-speed steel as a function of the temperature of testing. Average results of a series of tests on T1 tool steel. Ref 6 More
Image
Published: 31 August 2017
Fig. 25 Relationship between obtained and predicted values from a 30 mm (1.2 in.) diameter test bar. (a) Ultimate tensile strength. (b) Brinell hardness More
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006347
EISBN: 978-1-62708-179-5
..., a Rockwell or Brinell hardness test on softer structures will show less than matrix microhardness because of the presence of graphite. Two examples of automobile production parts hardened by induction heating are rocker arms and clutch hubs. An example of a flame-hardened pearlitic malleable iron part...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... International standard J431 ( Ref 3 ) classifies sand-molded gray cast irons used by the automotive and allied industries. It defines iron grades by a test bar tensile strength/Brinell hardness ratio, hardness grades by hardness alone, and casting grades by a combination of the iron grade, hardness grade...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003275
EISBN: 978-1-62708-176-4
.... Standard calibration, which conforms to ASTM E-448, “Standard Practice for Scleroscope Hardness Testing of Metallic Materials,” has a direct correlation to Rockwell C, Brinell, and Vickers hardness values ( Table 1 ). Roll calibration conforms to ASTM A 427, “Standard Specification for Wrought Alloy Steel...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005343
EISBN: 978-1-62708-187-0
... was properly heat treated. Mechanical testing should be done for most failure investigations, as knowing that the mechanical properties are acceptable is just as important as knowing that they are not. Brinell hardness testing typically is used for failed castings since the indentation covers a greater...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006344
EISBN: 978-1-62708-179-5
... the effect of section thickness on the hardness in type B cast bars of various grades of gray iron. Hardness of gray iron, as measured by Brinell or Rockwell testers, is an intermediate value between the hardness of the soft graphite in the iron and that of the harder metallic matrix. Rockwell hardness tests...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... 58 HRC, resistance to pitting fatigue is reduced, and the possibility of brinelling (denting) of bearing raceways is increased. Because hardness decreases with increasing operating temperature, the conventional materials for ball and roller bearings can be used only to temperatures of approximately...