Surface Integrity in Micromilling of Hardened AISI D2 Tool Steel

J.B. Saedon; S.L. Soo; D.K. Aspinwall; A. Barnacle; Nor Hafiez Mohamad Nor

doi:10.4028/www.scientific.net/AMM.789-790.151

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 789-790Surface Integrity in Micromilling of Hardened AISI...

Surface Integrity in Micromilling of Hardened AISI D2 Tool Steel

Abstract:

This paper presents workpiece surface integrity of micromilling hardened tool steel AISI D2. These include 3D mapping of surface texture, analysis of microstructure and microhardness variation. The results indicate no evidence of major surface damage such as microcracks, un-tempered/over-tempered martensite, phase transformations or white layer formation was detected in any of the specimens analysed. No discernible deformation of the material grain structure beneath the machined surface was observed. This was mainly attributed to the comparatively low levels of mechanical force and temperatures generated during the micro milling operation.

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Periodical:

Applied Mechanics and Materials (Volumes 789-790)

Pages:

151-155

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.789-790.151

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Online since:

September 2015

Authors:

J.B. Saedon*, S.L. Soo, D.K. Aspinwall, A. Barnacle, Nor Hafiez Mohamad Nor

Keywords:

Microhardness, Microstructure, Surface Roughness, Tool Wear

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* - Corresponding Author

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