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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Identifikace elasto-plastických isotropních parametrů za použití inversní analýzy instrumentované indentační techniky
 Brumek, J. ; Strnadel, B. ; Dlouhý, Ivo
Prediction of materials parameters and tensile loading curve based on instrumented indentation test has been developed. FEM model for ball indentation tests has been developed which in parameter calculation produced corresponding materials data.
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Mechanical properties evaluation by means of instrumented indentation test
 Brumek, J. ; Strnadel, B. ; Dlouhý, Ivo
An instrumented indentation study focusing on the materials with non-linear stress-strain behavior is presented. Indentation tests were applied on steel R7T. The observed data were analyzed and mechanical properties, such as yield stress, strain hardening exponent and elastic modulus were assessed. Experimental results of load-indentation depth test were compared with FEM solution. FEM analysis was applied on two-dimensional model described by elastic-plastic elements. Presented approach to prediction of mechanical characteristics is useful for estimation of remanent lifre of steels and other materials by using indentation method.
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