Identifying the stress-strain curve of materials by microimpact testing. Application on pure copper, pure iron, and aluminum alloy 6061-T651

Halim Al Baida, Cécile Langlade, Guillaume Kermouche, Ricardo Rafael Ambriz

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Copyright © Materials Research Society 2015. The mechanical response of materials under repeated impact loading is of primary importance to model different types of surface mechanical treatments, such as shot peening. A reverse identification method of stress-strain curves using repeated impact has been developed by Kermouche et al. [Kermouche et al., Mater. Sci. Eng., A 569, 71-77 (2013)] and later improved by Al Baida et al. [Al Baida et al., Mech. Mater. 86, 11-20 (2015)]. This study deals with the experimental validation of this method on three materials: a home-made pure iron, a commercially pure copper, and an industrial aluminum alloy. An approximate method derived from cone indentation theory to check the reverse method reliability. Balls of different sizes have been used to cover a wide enough range of strain. The results are also compared with macroscopic compression and traction tests. The effect of the strain rate on the stress-strain curve is discussed. The conclusion section highlights the rapidity and the ease of use of the reverse identification method.
Original languageAmerican English
Pages (from-to)2222-2230
Number of pages1998
JournalJournal of Materials Research
DOIs
StatePublished - 1 Jan 2015

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iron alloys
Iron alloys
Copper alloys
Stress-strain curves
aluminum alloys
Aluminum alloys
shot peening
copper
compression tests
traction
Testing
curves
indentation
strain rate
balls
cones
Shot peening
Indentation
iron
Cones

Cite this

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title = "Identifying the stress-strain curve of materials by microimpact testing. Application on pure copper, pure iron, and aluminum alloy 6061-T651",
abstract = "Copyright {\circledC} Materials Research Society 2015. The mechanical response of materials under repeated impact loading is of primary importance to model different types of surface mechanical treatments, such as shot peening. A reverse identification method of stress-strain curves using repeated impact has been developed by Kermouche et al. [Kermouche et al., Mater. Sci. Eng., A 569, 71-77 (2013)] and later improved by Al Baida et al. [Al Baida et al., Mech. Mater. 86, 11-20 (2015)]. This study deals with the experimental validation of this method on three materials: a home-made pure iron, a commercially pure copper, and an industrial aluminum alloy. An approximate method derived from cone indentation theory to check the reverse method reliability. Balls of different sizes have been used to cover a wide enough range of strain. The results are also compared with macroscopic compression and traction tests. The effect of the strain rate on the stress-strain curve is discussed. The conclusion section highlights the rapidity and the ease of use of the reverse identification method.",
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Identifying the stress-strain curve of materials by microimpact testing. Application on pure copper, pure iron, and aluminum alloy 6061-T651. / Al Baida, Halim; Langlade, Cécile; Kermouche, Guillaume; Ambriz, Ricardo Rafael.

In: Journal of Materials Research, 01.01.2015, p. 2222-2230.

Research output: Contribution to journalArticle

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