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dc.contributor.author
Hu, Lijiang
dc.contributor.author
Zhang, Xingwen
dc.contributor.author
Sun, Yi
dc.contributor.author
Williams, Roberto Juan Jose
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dc.date.available
2020-01-13T18:17:34Z
dc.date.issued
2005-04
dc.identifier.citation
Hu, Lijiang; Zhang, Xingwen; Sun, Yi; Williams, Roberto Juan Jose; Hardness and elastic modulus profiles of hybrid coatings; Springer; Journal of Sol-Gel Science and Technology; 34; 1; 4-2005; 41-46
dc.identifier.issn
0928-0707
dc.identifier.uri
http://hdl.handle.net/11336/94521
dc.description.abstract
Instrumented-indentation testing (IIT) provided with a continuous stiffness measurement (CSM) technique was employed to measure hardness and elastic modulus profiles of thin organic/inorganic hybrid coatings on glass surfaces. Hybrids were synthesized by the hydrolytic condensation of (3-methacryloxypropyl) trimethoxysilane (MPMS) or vinyltrimethoxysilane (VMS), with 5–30 wt% tetraethoxysilane (TEOS), in the presence of formic acid. Coatings of 600–800 nm on glass substrates were obtained by dip-coating solutions of these hybrids with benzoyl peroxide (BPO) addition, and curing in an oven following a thermal cycle up to 120∘C. Both hardness and elastic modulus showed a maximum value close to the surface, followed by a plateau and a significant increase at higher penetrations. Hybrids based on MPMS and 20–30 wt% TEOS exhibited a good combination of intrinsic values of hardness (0.50 GPa) and brittle index (0.06–0.07), that makes them suitable for coatings of plastic substrates.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BRITTLE INDEX
dc.subject
CONTINUOUS STIFFNESS MEASUREMENT (CSM)
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ELASTIC MODULUS
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HARDNESS
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HYBRID COATINGS
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INSTRUMENTED-INDENTATION TESTING (IIT)
dc.subject
ORMOSILS
dc.subject.classification
Otras Ciencias Químicas
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Hardness and elastic modulus profiles of hybrid coatings
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-11-25T17:30:25Z
dc.journal.volume
34
dc.journal.number
1
dc.journal.pagination
41-46
dc.journal.pais
Alemania
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Hu, Lijiang. Harbin Institute Of Technology; China
dc.description.fil
Fil: Zhang, Xingwen. Harbin Institute Of Technology; China
dc.description.fil
Fil: Sun, Yi. Harbin Institute Of Technology; China
dc.description.fil
Fil: Williams, Roberto Juan Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
dc.journal.title
Journal of Sol-Gel Science and Technology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs10971-005-1260-1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s10971-005-1260-1
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