Extraction of flow behavior and hall–petch parameters using a nanoindentation multiple sharp tip approach

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Extraction of flow behavior and hall–petch parameters using a nanoindentation multiple sharp tip approach. / Leitner, Alexander; Maier-Kiener, Verena; Kiener, Daniel.
In: Advanced engineering materials, Vol. 19.2017, No. 4, 1600669, 29.11.2016.

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@article{3e1659b97af34e9895cf2afc69e565cc,
title = "Extraction of flow behavior and hall–petch parameters using a nanoindentation multiple sharp tip approach",
abstract = "An appealing idea to material scientists is to characterize the mechanical behavior of materials with minimal experimental effort while guaranteeing highly reliable results. Nanoindentation is a candidate technique to reach this objective. Though it is already a standard method to extract hardness and Young's modulus, the technique is not yet fully exploited. The authors demonstrate on the example of Ni and W, with microstructures ranging from single crystalline to nanocrystalline dimensions, how Hall–Petch parameters and flow curves can be extracted by using four pyramidal tips with varying apex angle. Applying appropriate definitions of indentation stress and strain and considering the indentation size effect, the obtained values coincidence well with literature values determined by uniaxial tests.",
author = "Alexander Leitner and Verena Maier-Kiener and Daniel Kiener",
year = "2016",
month = nov,
day = "29",
doi = "10.1002/adem.201600669",
language = "English",
volume = "19.2017",
journal = " Advanced engineering materials",
issn = "1527-2648",
publisher = "Wiley-VCH ",
number = "4",

}

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TY - JOUR

T1 - Extraction of flow behavior and hall–petch parameters using a nanoindentation multiple sharp tip approach

AU - Leitner, Alexander

AU - Maier-Kiener, Verena

AU - Kiener, Daniel

PY - 2016/11/29

Y1 - 2016/11/29

N2 - An appealing idea to material scientists is to characterize the mechanical behavior of materials with minimal experimental effort while guaranteeing highly reliable results. Nanoindentation is a candidate technique to reach this objective. Though it is already a standard method to extract hardness and Young's modulus, the technique is not yet fully exploited. The authors demonstrate on the example of Ni and W, with microstructures ranging from single crystalline to nanocrystalline dimensions, how Hall–Petch parameters and flow curves can be extracted by using four pyramidal tips with varying apex angle. Applying appropriate definitions of indentation stress and strain and considering the indentation size effect, the obtained values coincidence well with literature values determined by uniaxial tests.

AB - An appealing idea to material scientists is to characterize the mechanical behavior of materials with minimal experimental effort while guaranteeing highly reliable results. Nanoindentation is a candidate technique to reach this objective. Though it is already a standard method to extract hardness and Young's modulus, the technique is not yet fully exploited. The authors demonstrate on the example of Ni and W, with microstructures ranging from single crystalline to nanocrystalline dimensions, how Hall–Petch parameters and flow curves can be extracted by using four pyramidal tips with varying apex angle. Applying appropriate definitions of indentation stress and strain and considering the indentation size effect, the obtained values coincidence well with literature values determined by uniaxial tests.

U2 - 10.1002/adem.201600669

DO - 10.1002/adem.201600669

M3 - Article

VL - 19.2017

JO - Advanced engineering materials

JF - Advanced engineering materials

SN - 1527-2648

IS - 4

M1 - 1600669

ER -