Influence of testers on the ISE effect

Author:

Petrík Jozef1,Blaško Peter1,Domovcová Lucia2,Sedlák Richard3,Guzanová Anna4,Ťavodová Miroslava5,Pribulová Alena6,Futaš Peter6

Affiliation:

1. Institute of Materials and Quality Engineering, Faculty of Materials Metallurgy and Recycling, Technical University of Košice , Letná 9, 042 00 , Kosice , Slovakia

2. Research and Development Centre, Železiarne Podbrezová , Podbrezová , Slovakia

3. Institute of Materials Research of Slovak Academy of Sciences (SAS) , Košice , Slovakia

4. Faculty of Civil Engineering, Technical University of Košice , Kosice , Slovakia

5. Faculty Technology, Technical University of Zvolen , Studentska 26, 96001 , Zvolen , Slovakia

6. Institute of Metallurgy, Faculty of Materials Metallurgy and Recycling, Technical University of Košice , Kosice , Slovakia

Abstract

Abstract In the micro-hardness range of the load, the measurement is complicated by the occurrence of the Indentation Size Effect (ISE) – the measured value of the micro-hardness is affected by the value of the applied load. The paper aims to study the influence of the automatic testers on the character type and size of the ISE. Ten testers and five standard reference blocks were involved in the “round-robin test”. Parameters of the ISE were evaluated using Meyer’s, Hays–Kendall, and PSR methods and also by statistical methods (ANOVA, t-test, regression, and cluster analysis). Despite the assumptions, a statistically significant impact of the hardness tester was found not only on the measured value but also on the character and size of ISE.

Funder

Slovak Grant Agency for Science

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

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