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microhardness

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006129
EISBN: 978-1-62708-175-7
...Microhardness of carbides in high alloy tool steels Table 1 Microhardness of carbides in high alloy tool steels Type of carbide Comment Microhardness HV or HK Reference Fe 3 C … 820 50 M 3 C Low Cr content 950 52 Higher Cr content <1230 52 800−1150 53...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005795
EISBN: 978-1-62708-165-8
... made on the same gears in two different laboratories Fig. 16 Results of interlaboratory microhardness traverse gage repeatability and reproducibility study on samples with 1.3 and 3.2 mm (0.05 and 0.125 in.) effective case depth. Courtesy of Caterpillar Inc. Fig. 17 Plot of expected...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005798
EISBN: 978-1-62708-165-8
... measurements, superficial Rockwell 15N testing, and microhardness testing. The article provides information on the microscopic method used to detect smaller variations in carbon content, and reviews consecutive cuts analysis and spectrographic analysis that are used to accurately evaluate the carbon...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005863
EISBN: 978-1-62708-167-2
... hardness, HRC 0.28–0.32 35 0.33–0.42 40 0.43–0.52 45 ≥0.53 50 Source: Ref 45 Fig. 39 Typical effective case depth measurement in an induction surface-hardened part with thick cases determined from microhardness traverse at the root of gear. Courtesy of Element Materials...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005605
EISBN: 978-1-62708-174-0
... for which the process is suited. These methods include peel testing, push-pin testing, and microhardness/nanohardness testing. The article also reviews the issues to be addressed in maintaining UAM fabrication quality. References References 1. “Standard Terminology for Additive Manufacturing...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005962
EISBN: 978-1-62708-168-9
..., solutionizing heat treatment, and isothermal aging in detail. It concludes with a review of the interrelationships between heat treatments, microstructures, and mechanical properties. alloying copper precipitation-strengthened steel heat treatment mechanical properties microhardness microstructure...
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
... and Practice , McGraw-Hill , 1984 (reprinted by ASM International , 1999 ), p 334 – 409 Dynamic (Rebound) Test Methods Durometer Hardness Testing IRHD Rubber Hardness Testing Scratch Hardness Tests Ultrasonic Microhardness Testing Durometer Selection Testing Procedure Testing...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005730
EISBN: 978-1-62708-171-9
...ASTM International tests applicable for thermal spray coatings Table 1 ASTM International tests applicable for thermal spray coatings ASTM test number Description E633 Tensile adhesion G76 Erosion G65 Abrasion E18 Superficial hardness E384 Microhardness E1920...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009000
EISBN: 978-1-62708-186-3
..., normalized by surface coating weight per unit surface area on lower draw bead Fig. 18 Evolution of microhardness of draw bead surfaces, normalized by initial microhardness of draw bead surfaces Fig. 17 Evolution of wear depth on wear band of lower draw bead at exit side, normalized...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005800
EISBN: 978-1-62708-165-8
... and Microhardness Laser welding has been successful using the welding parameters shown in Table 6 . Laser welding process parameters Table 6 Laser welding process parameters Thickness Power, kW Weld speed Defocus Weld angle, degrees Cover gas Quantity of gas mm in. m/min ft/min mm...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001237
EISBN: 978-1-62708-170-2
.... , Jacobson L. , and Mendiratta M. , J. Am. Ceram. Soc. , Vol 59 , 1976 , p 177 – 179 10.1111/j.1151-2916.1976.tb09468.x Quantitative Image Analysis Sample Preparation Optical Microscopy Abrasion Damage and Abrasion Artifacts Microhardness Testing MICROSTRUCTURAL ANALYSIS...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001343
EISBN: 978-1-62708-173-3
... examination, compositional mapping, x-ray diffraction, tension testing of all weld metal specimens, and microhardness traverses. Fig. 15 Micrograph of transverse section of an electron-beam welded butt weld joining 2.5 mm (0.100 in.) thick Ti-6Al-4V sheet using a 0.127 mm (0.005 in.) thick tantalum...
Book Chapter

By J.Y. Shi
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005812
EISBN: 978-1-62708-165-8
... carburization process curves of 35Cr3SiMnMoV steel. (b) Conventional carburization process curves of 20CrMnMo, 20Cr2Ni4 steel. C p , carbon potential. PAG, polyalkylene glycol Fig. 3 Isothermal section drawing of Fe-Cr-C at 850 °C (1560 °F) Fig. 4 Microhardness distribution...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003302
EISBN: 978-1-62708-176-4
... of the plane illustrating the grid of microhardness measurements surrounding the macroindentation Fig. 10 Contours of microhardness measurements revealing the plastic zone size beneath static and dynamic indentations. (a) 2024 aluminum, static indentation. (b) 2024 aluminum, dynamic indentation. (c...
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
... surfaces, thin specimens Small indent but high local stresses Microhardness 136° diamond indenter or a Knoop indenter 40 μm (0.16 μin.) 1–4 μm (0.004–0.016 μin.) 1 gf-1 kgf Measure indentation with low-power microscope; read hardness from tables Polished surface Up to 60 Surface layers, thin...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003274
EISBN: 978-1-62708-176-4
... 10.6028/jres.023.022 14. Peters C.G. and Knoop F. , Resistance of Glass to Indentation , Glass Ind. , Vol 20 , May 1939 , p 174 – 176 15. “Standard Test Method for Microhardness of Materials,” E 384-89 (1997)e2, Annual Book of ASTM Standards , Vol 3.01 , ASTM , 1999...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005772
EISBN: 978-1-62708-165-8
...Melting point and microhardness of different boride phases formed during boriding of various substrate materials Table 1 Melting point and microhardness of different boride phases formed during boriding of various substrate materials Substrate Constituent phases in the boride layer...
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
... Publishers, 1989, p 683–688 Brinell Hardness Testing Rockwell Hardness Testing Vickers Hardness Testing Scleroscope Hardness Testing Microhardness Testing Elongation Measurements in Tension Testing Plane-Strain Tension Test Summary THE CONCEPTS of uniaxial tensile...
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
..., such as the Vickers microhardness (MHV) test, can be used. Under an optical measurement system, a pyramidal-pointed diamond is impressed into the particle surface by a controlled loading force ranging from 0.10 to 1.0 N (0.01 to 0.1 kgf) to form a permanent indentation that is measured and converted to a hardness...
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
... be tested on a Tukon microhardness tester. The thickness of the workpiece should be at least 1 1 2 times the diagonal of the indentation when using a Vickers indenter, and at least 1 2 times the long diagonal when using a Knoop indenter. (a) No minimum hardness for metal of equal...