Microstructure modification of 2024 aluminum alloy produced by friction drilling

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

Keywords

Friction drilling
Microstructure
Second phase particles

ASJC Scopus subject areas

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

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10.1016/j.msea.2017.03.040

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title = "Microstructure modification of 2024 aluminum alloy produced by friction drilling",

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.",

keywords = "Friction drilling, Microstructure, Second phase particles",

author = "Eliseev, {A. A.} and Fortuna, {S. V.} and Kolubaev, {E. A.} and Kalashnikova, {T. A.}",

year = "2017",

month = apr,

day = "13",

doi = "10.1016/j.msea.2017.03.040",

language = "English",

volume = "691",

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journal = "Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing",

issn = "0921-5093",

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TY - JOUR

T1 - Microstructure modification of 2024 aluminum alloy produced by friction drilling

AU - Eliseev, A. A.

AU - Fortuna, S. V.

AU - Kolubaev, E. A.

AU - Kalashnikova, T. A.

PY - 2017/4/13

Y1 - 2017/4/13

N2 - 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.

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.

KW - Friction drilling

KW - Microstructure

KW - Second phase particles

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DO - 10.1016/j.msea.2017.03.040

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JO - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

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