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Inter Laboratory Comparison and Analysis on Mechanical Properties by Nanoindentation

Published online by Cambridge University Press:  01 February 2011

J. M. Alvarado-Orozco ,
C. Cárdenas-Jaramillo ,
D. Torres-Torres ,
R. Herrera-Basurto ,
A. Hurtado-Macias ,
J. Muñoz-Saldaña  and
G. Trápaga-Martinez
J. M. Alvarado-Orozco
Affiliation:
Centro de Investigación y de Estudios Avanzados del IPN, Unidad Querétaro, Libramiento Norponiente 2000, Real de Juriquilla, 76230, Querétaro, México.
C. Cárdenas-Jaramillo
Affiliation:
Centro de Investigación y de Estudios Avanzados del IPN, Unidad Querétaro, Libramiento Norponiente 2000, Real de Juriquilla, 76230, Querétaro, México.
D. Torres-Torres
Affiliation:
Centro de Investigación y de Estudios Avanzados del IPN, Unidad Querétaro, Libramiento Norponiente 2000, Real de Juriquilla, 76230, Querétaro, México.
R. Herrera-Basurto
Affiliation:
CENAM-Dirección de Metrología de Materiales, 76241, Querétaro, México.
A. Hurtado-Macias
Affiliation:
Centro de Investigación en Materiales Avanzados, S.C, Laboratorio Nacional de Nanotecnología, Miguel de Cervantes 120, Complejo Industrial Chihuahua, 31109, Chihuahua, México.
J. Muñoz-Saldaña
Affiliation:
Centro de Investigación y de Estudios Avanzados del IPN, Unidad Querétaro, Libramiento Norponiente 2000, Real de Juriquilla, 76230, Querétaro, México. Centro de Investigación en Materiales Avanzados, S.C, Laboratorio Nacional de Nanotecnología, Miguel de Cervantes 120, Complejo Industrial Chihuahua, 31109, Chihuahua, México.
G. Trápaga-Martinez
Affiliation:
Centro de Investigación y de Estudios Avanzados del IPN, Unidad Querétaro, Libramiento Norponiente 2000, Real de Juriquilla, 76230, Querétaro, México.
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Abstract

This contribution presents the results obtained by a Mexican laboratory in the Asia-Pacific Economy Cooperation Interlaboratory Comparison (IC) on mechanical properties by nanoindentation from 2008 using fused silica and polycarbonate as samples. Reduced modulus and indentation hardness are the parameters asked to be measured and compared. The aim for this paper is to show and to discuss the so called “indentation size effect” (ISE) on the indentation hardness of fused silica. Using the spherical formulation of the ISE model for crystalline materials, the macroscopic hardness and material length scale of fused silica are determined as (7.34 ± 0.085) GPa and (166.36 ± 14) nm, respectively.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1243: Symposium 5 – Advanced Structural Materials , 2009 , 18
Copyright
Copyright © Materials Research Society 2010

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References

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