DYNAMIC INDENTATION HARDNESS OF METALS AND ITS IMPLICATIONS TO HIGH SPEED MACHINING

Ghatu Subhash, Brian J. Koeppel, Abhijit Chandra, Yonggang Y. Huang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

A novel experimental technique for determining the dynamic indentation hardness of materials is described. Unlike the traditional static hardness measurements, the dynamic hardness measurements can capture the inherent rate dependent material response that is germane to high strain rate processes such as high speed machining and impact. The current technique also offers several advantages over the existing dynamic hardness testers. The dynamic hardness of several commonly used engineering materials is found to be greater than the static hardness. The percentage increase in dynamic hardness over its static counterpart is found to be strongly dependent on the crystal structure of the materials used in this study. The significance of dynamic hardness and its implications on high speed machining characteristics of metals is explored.

Original languageEnglish (US)
Title of host publicationManufacturing Science and Engineering
Subtitle of host publicationVolume 2
PublisherAmerican Society of Mechanical Engineers (ASME)
Pages69-74
Number of pages6
ISBN (Electronic)9780791826799
DOIs
StatePublished - 1997
Externally publishedYes
EventASME 1997 International Mechanical Engineering Congress and Exposition, IMECE 1997 - Manufacturing Science and Engineering - Dallas, United States
Duration: Nov 16 1997Nov 21 1997

Publication series

NameASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
Volume1997-W

Conference

ConferenceASME 1997 International Mechanical Engineering Congress and Exposition, IMECE 1997 - Manufacturing Science and Engineering
Country/TerritoryUnited States
CityDallas
Period11/16/9711/21/97

ASJC Scopus subject areas

  • Mechanical Engineering

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