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Comparative analysis of methods of hardness assessment

Czarski A.

Archives of Materials Science and Engineering

2009

Vol. 40, nr 2

94-97

Purpose: The aim of this paper is to show how it could utilize the statistical methods for the process management. Design/methodology/approach: The research methodology bases on a theoretical analysis and empirical researches. A practical solution is presented to compare measurements methods of hardness and to estimate capability indices of measurement system. Findings: Measurement system analysis (MSA), particularly theory of statistical tests brings correct results for the analysed case. Research limitations/implications: Comparative analysis of measurement methods - interlaboratory studies, delivery control etc. is necessary in the interpretation of results. Practical implications: Described methodology and results can be employed in the industrial practice. Originality/value: The complete statistical comparative analysis of methods of hardness measurement with the help of a stationary and mobile hardness tester.