Determination of the mechanical properties of metallic thin films and substrates from indentation tests

K. Tunvisut; E. P. Busso; N. P. O’Dowd; H. P. Brantner

doi:10.1080/01418610208235713

Determination of the mechanical properties of metallic thin films and substrates from indentation tests

K. Tunvisut, E. P. Busso, N. P. O’Dowd, H. P. Brantner

Research output: Contribution to journal › Article › peer-review

Abstract

A procedure to obtain the elasto-plastic mechanical properties of strainhardening materials from indentation tests, based on dimensional analysis and finite-element techniques, is proposed. The method is applicable to homogeneous materials and to coatings deposited on substrates of known mechanical properties. The Young’s modulus of the material is extracted from the initial slope of the unloading indentation curve and the yield strength and strainhardening exponent are obtained from the maximum indentation load and the contact area after unloading. The method is used to obtain the properties of a high-alloy steel and Mo and AlSi coatings deposited on a steel substrate by plasma spraying. The sensitivity of the measurement to the depth of indentation is discussed.

Original language	English
Pages (from-to)	2013-2029
Number of pages	17
Journal	Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
Volume	82
Issue number	10
DOIs	https://doi.org/10.1080/01418610208235713
Publication status	Published - Jul 2002
Externally published	Yes

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10.1080/01418610208235713

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title = "Determination of the mechanical properties of metallic thin films and substrates from indentation tests",

abstract = "A procedure to obtain the elasto-plastic mechanical properties of strainhardening materials from indentation tests, based on dimensional analysis and finite-element techniques, is proposed. The method is applicable to homogeneous materials and to coatings deposited on substrates of known mechanical properties. The Young{\textquoteright}s modulus of the material is extracted from the initial slope of the unloading indentation curve and the yield strength and strainhardening exponent are obtained from the maximum indentation load and the contact area after unloading. The method is used to obtain the properties of a high-alloy steel and Mo and AlSi coatings deposited on a steel substrate by plasma spraying. The sensitivity of the measurement to the depth of indentation is discussed.",

author = "K. Tunvisut and Busso, {E. P.} and O{\textquoteright}Dowd, {N. P.} and Brantner, {H. P.}",

year = "2002",

month = jul,

doi = "10.1080/01418610208235713",

language = "English",

volume = "82",

pages = "2013--2029",

journal = "Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties",

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}

Determination of the mechanical properties of metallic thin films and substrates from indentation tests. / Tunvisut, K.; Busso, E. P.; O’Dowd, N. P. et al.
In: Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties, Vol. 82, No. 10, 07.2002, p. 2013-2029.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Determination of the mechanical properties of metallic thin films and substrates from indentation tests

AU - Tunvisut, K.

AU - Busso, E. P.

AU - O’Dowd, N. P.

AU - Brantner, H. P.

PY - 2002/7

Y1 - 2002/7

N2 - A procedure to obtain the elasto-plastic mechanical properties of strainhardening materials from indentation tests, based on dimensional analysis and finite-element techniques, is proposed. The method is applicable to homogeneous materials and to coatings deposited on substrates of known mechanical properties. The Young’s modulus of the material is extracted from the initial slope of the unloading indentation curve and the yield strength and strainhardening exponent are obtained from the maximum indentation load and the contact area after unloading. The method is used to obtain the properties of a high-alloy steel and Mo and AlSi coatings deposited on a steel substrate by plasma spraying. The sensitivity of the measurement to the depth of indentation is discussed.

AB - A procedure to obtain the elasto-plastic mechanical properties of strainhardening materials from indentation tests, based on dimensional analysis and finite-element techniques, is proposed. The method is applicable to homogeneous materials and to coatings deposited on substrates of known mechanical properties. The Young’s modulus of the material is extracted from the initial slope of the unloading indentation curve and the yield strength and strainhardening exponent are obtained from the maximum indentation load and the contact area after unloading. The method is used to obtain the properties of a high-alloy steel and Mo and AlSi coatings deposited on a steel substrate by plasma spraying. The sensitivity of the measurement to the depth of indentation is discussed.

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DO - 10.1080/01418610208235713

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SN - 0141-8610

VL - 82

SP - 2013

EP - 2029

JO - Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties

JF - Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties

IS - 10

ER -

Determination of the mechanical properties of metallic thin films and substrates from indentation tests

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