Microstructure modification of 2024 aluminum alloy produced by friction drilling

A. A. Eliseev, S. V. Fortuna, E. A. Kolubaev, T. A. Kalashnikova

Division for Materials Science

Research output: Contribution to journal › Article

Abstract

In this study modification of AA2024 microstructure produced by friction drilling was investigated. To reveal the role of deformation, high temperature and friction on microstructure modification methods of optical and scanning electron microscopy and microhardness test were used. Different zones of material around friction drilling hole has a special characterization through grain size, volume fraction and size of incoherent second phase particles and microhardness. It has been found that deformation, high temperature and friction in friction drilling process lead to recrystallization of grain structure and dissolution of incoherent second phase particles due to strain-induced dissolution effect. Microhardness of recrystallized material has increased.

Original language	English
Pages (from-to)	121-125
Number of pages	5
Journal	Materials Science and Engineering A
Volume	691
DOIs	https://doi.org/10.1016/j.msea.2017.03.040
Publication status	Published - 13 Apr 2017

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Keywords

Friction drilling
Microstructure
Second phase particles

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Cite this

Eliseev, A. A., Fortuna, S. V., Kolubaev, E. A., & Kalashnikova, T. A. (2017). Microstructure modification of 2024 aluminum alloy produced by friction drilling. Materials Science and Engineering A, 691, 121-125. https://doi.org/10.1016/j.msea.2017.03.040

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AU - Kolubaev, E. A.

AU - Kalashnikova, T. A.

PY - 2017/4/13

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AB - In this study modification of AA2024 microstructure produced by friction drilling was investigated. To reveal the role of deformation, high temperature and friction on microstructure modification methods of optical and scanning electron microscopy and microhardness test were used. Different zones of material around friction drilling hole has a special characterization through grain size, volume fraction and size of incoherent second phase particles and microhardness. It has been found that deformation, high temperature and friction in friction drilling process lead to recrystallization of grain structure and dissolution of incoherent second phase particles due to strain-induced dissolution effect. Microhardness of recrystallized material has increased.

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KW - Microstructure

KW - Second phase particles

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Access to Document

10.1016/j.msea.2017.03.040