Specimens Preparation Influence on Results of Micro-Tensile Tests

Abstract

Small sized specimens become more and more used nowadays and thus more attention is paid to small sized specimens techniques development. Small sized techniques are used for mechanical properties determination in cases when limited amount of the experimental material iv available, such as, evaluation of residual operation time of in service components, mechanical properties assessment of newly developed materials (e.g. severe plastic deformation techniques) and determination of local properties of larger components. Downsizing specimens dimensions lead to increasing demand on the quality of applied testing procedures and samples preparation. The current paper deals with Micro-Tensile Tests and specifically with parameters of specimens preparation on the test results. several preparation procedures are going to be compared with results obtained on the standard sized specimens. Moreover, also the grain size influence on results on small sized specimens is assessed here.