Revealing dynamic-mechanical properties of precipitates in a nanostructured thin film using micromechanical spectroscopy

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Revealing dynamic-mechanical properties of precipitates in a nanostructured thin film using micromechanical spectroscopy. / Alfreider, Markus; Meindlhumer, Michael; Ziegelwanger, Tobias et al.
In: MRS Bulletin, Vol. 2024, No. 49, 2024, p. 49-58.

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@article{b016bef379bc430cb325f63c78b85783,
title = "Revealing dynamic-mechanical properties of precipitates in a nanostructured thin film using micromechanical spectroscopy",
abstract = "Nanostructured materials with their remarkable properties are key enablers in many modern applications. For example, industrial dry-milling processes would not be as widely spread without the use of hard, wear-resistant metal nitride coatings to protect the cutting tools. However, improving these nanostructured thin films with regard to dynamical properties is demanding as probing respective parameters of (sub-)micron layers without any substrate influence is still challenging. To extend the scientific toolbox for such spatially confined systems, a novel methodological approach based on resonance peak measurements of a cantilever-transducer system termed micromechanical spectroscopy (µMS) is developed and applied to a Al0.8Cr0.2N model system. The mainly wurtzite type supersaturated Al0.8Cr0.2N system showed precipitation of cubic CrN at grain boundaries and local Cr variations upon annealing at 1050°C. This was accompanied by an increase in the previously unknown damping capability of 63 percent and an increase in Young{\textquoteright}s modulus by 36 percent.",
keywords = "AlCrN, Dynamic testing, Grain-boundary segregation engineering, Heat treatment, Micromechanical testing, Precipitation",
author = "Markus Alfreider and Michael Meindlhumer and Tobias Ziegelwanger and Rostislav Daniel and Jozef Keckes and Daniel Kiener",
note = "Publisher Copyright: {\textcopyright} 2023, The Author(s).",
year = "2024",
doi = "10.1557/s43577-023-00549-w",
language = "English",
volume = "2024",
pages = "49--58",
journal = "MRS Bulletin",
issn = "0883-7694",
publisher = "Materials Research Society : MRS",
number = "49",

}

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TY - JOUR

T1 - Revealing dynamic-mechanical properties of precipitates in a nanostructured thin film using micromechanical spectroscopy

AU - Alfreider, Markus

AU - Meindlhumer, Michael

AU - Ziegelwanger, Tobias

AU - Daniel, Rostislav

AU - Keckes, Jozef

AU - Kiener, Daniel

N1 - Publisher Copyright: © 2023, The Author(s).

PY - 2024

Y1 - 2024

N2 - Nanostructured materials with their remarkable properties are key enablers in many modern applications. For example, industrial dry-milling processes would not be as widely spread without the use of hard, wear-resistant metal nitride coatings to protect the cutting tools. However, improving these nanostructured thin films with regard to dynamical properties is demanding as probing respective parameters of (sub-)micron layers without any substrate influence is still challenging. To extend the scientific toolbox for such spatially confined systems, a novel methodological approach based on resonance peak measurements of a cantilever-transducer system termed micromechanical spectroscopy (µMS) is developed and applied to a Al0.8Cr0.2N model system. The mainly wurtzite type supersaturated Al0.8Cr0.2N system showed precipitation of cubic CrN at grain boundaries and local Cr variations upon annealing at 1050°C. This was accompanied by an increase in the previously unknown damping capability of 63 percent and an increase in Young’s modulus by 36 percent.

AB - Nanostructured materials with their remarkable properties are key enablers in many modern applications. For example, industrial dry-milling processes would not be as widely spread without the use of hard, wear-resistant metal nitride coatings to protect the cutting tools. However, improving these nanostructured thin films with regard to dynamical properties is demanding as probing respective parameters of (sub-)micron layers without any substrate influence is still challenging. To extend the scientific toolbox for such spatially confined systems, a novel methodological approach based on resonance peak measurements of a cantilever-transducer system termed micromechanical spectroscopy (µMS) is developed and applied to a Al0.8Cr0.2N model system. The mainly wurtzite type supersaturated Al0.8Cr0.2N system showed precipitation of cubic CrN at grain boundaries and local Cr variations upon annealing at 1050°C. This was accompanied by an increase in the previously unknown damping capability of 63 percent and an increase in Young’s modulus by 36 percent.

KW - AlCrN

KW - Dynamic testing

KW - Grain-boundary segregation engineering

KW - Heat treatment

KW - Micromechanical testing

KW - Precipitation

UR - http://www.scopus.com/inward/record.url?scp=85163147678&partnerID=8YFLogxK

U2 - 10.1557/s43577-023-00549-w

DO - 10.1557/s43577-023-00549-w

M3 - Article

AN - SCOPUS:85163147678

VL - 2024

SP - 49

EP - 58

JO - MRS Bulletin

JF - MRS Bulletin

SN - 0883-7694

IS - 49

ER -