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microindentation hardness testing

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003244
EISBN: 978-1-62708-199-3
... Abstract This article describes the methods and equipments involved in the preparation of specimens for examination by light optical microscopy, scanning electron microscopy, electron microprobe analysis for microindentation hardness testing, and for quantification of microstructural parameters...
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
... testing, macroindentation hardness, microindentation hardness, and the impact toughness test. bend testing failure analysis impact toughness test macroindentation hardness microindentation hardness static load testing uniaxial compression testing uniaxial tension testing The...
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
.... Because the shape of the Vickers indentation is geometrically similar at all test loads, the HV value is constant, within statistical precision, over a very wide test load range, as long as the test specimen is reasonably homogeneous. However, studies of microindentation hardness test results conducted...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... or wedge-shaped cracks at grain triple points • Reaction scales or internal precipitation • Some cold flow in last stages of failure Contributing factors • Load exceeded the strength of the part • Check for proper alloy and processing by hardness check or destructive testing, chemical analysis...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005966
EISBN: 978-1-62708-166-5
... are useful. However, the most important diagnostic tools are metallography and microindentation hardness testing. These are useful especially because, in principle, they can be applied to a single mounted specimen. A rigorous statement of such practices is found in SAE International Standard J419...
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
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... where decarburization has occurred at a surface during heat treatment or in illustrating the depth of a carburized layer. Such metallographic examinations are normally supplemented with hardness measurements made using a microindentation hardness tester, commonly with a hardness traverse made on the...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006754
EISBN: 978-1-62708-295-2
..., manufacturing imperfections, or service damage Before metallography Optical metallography Determine whether microstructure is consistent with expectations based on crack path evidence After scanning electron microscopy Hardness or microindentation hardness testing Determine whether hardness values are...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0005586
EISBN: 978-1-62708-170-2
... vacuum UNS Unified Numbering System UTS ultimate tensile strength v velocity; particle velocity V volt V sliding speed; velocity; volume VAR vacuum arc remelted VHN Vickers microindenter hardness number VI viscosity index VIM-VAR vacuum induction...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... temperature during either sustained stresses or slow strain-rate tension testing. Higher temperatures cause hydrogen to diffuse away from areas of localized concentration. The effect of hydrogen is also strongly influenced by other variables, such as: Strength (or hardness) level of the alloy...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003066
EISBN: 978-1-62708-200-6
... selenides of the type Ge-As-Se, the glass transformation temperature, hardness, Young's modulus, and strength increase, while the thermal expansion coefficient and molar volume decrease with a tighter structure. The properties of these glasses also depend on the type of chalcogen or metal present...