RT info:eu-repo/semantics/article
T1 Improved correlation for elastic modulus prediction of metallic materials in the Small Punch Test
A1 Calaf Chica, José
A1 Bravo Díez, Pedro Miguel
A1 Preciado Calzada, Mónica
K1 Small Punch Test
K1 SPT
K1 Elastic modulus
K1 Indentation
K1 Bending plate
K1 Resistencia de materiales
K1 Strength of materials
K1 Ensayos (Tecnología)
K1 Testing
K1 Ingeniería civil
K1 Civil engineering
AB Generally, the correlation factors of parameters obtained from the load-displacement curve of small punch tests and the mechanical properties of materials are only acceptable for the materials tested in each investigation. Although the standardization of the correlation factors for different groups of materials is the objective in much of the research on the Small Punch Test (SPT), there are not many studies focused on the physical sense of these correlation factors. Consequently, the applicability of these factors needs the prior knowledge of the material to be tested with comparisons between SPT’s and standardized tensile tests. This investigation, through finite element modeling and a theoretical analysis, goes in depth into the understanding of the first zone of the SPT curve and the study of an unloading/loading cycle introduced into this zone in order to obtain an improved correlation factor for the elastic modulus. This factor is acceptable for most isotropic and homogeneous metallic alloys and depends only on the geometrical setup of the test. Experimental tests (tensile tests and SPT’s) were added to these numerical/theoretical analyses to demonstrate the suitability of this correlation.
PB Elsevier
SN 0020-7403
YR 2017
FD 2017-12
LK http://hdl.handle.net/10259/8332
UL http://hdl.handle.net/10259/8332
LA eng
DS Repositorio Institucional de la Universidad de Burgos
RD 11-may-2024