The Influence of the Load on the Hardness
The Influence of the Load on the Hardness The objective of the submitted paper is to analyze the influence of the load on the calibration of micro-hardness and hardness testers. The results were validated by Measurement Systems Analysis (MSA), Analysis of Variance (ANOVA) and Z-score. The relationsh...
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| Published in: | Metrology and Measurement systems Vol. XVIII; no. 2; p. 223 |
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| Main Authors: | , |
| Format: | Journal Article |
| Language: | English |
| Published: |
Warsaw
Polish Academy of Sciences
01-01-2011
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| Online Access: | Get full text |
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| Summary: | The Influence of the Load on the Hardness The objective of the submitted paper is to analyze the influence of the load on the calibration of micro-hardness and hardness testers. The results were validated by Measurement Systems Analysis (MSA), Analysis of Variance (ANOVA) and Z-score. The relationship between the load and micro-hardness in calibration of micro-hardness testers cannot be explained by Kick's Law (Meyer's index "n" is different from 2). The conditions of Kick's Law are satisfied at macro-hardness calibration, the values of "n" are close to 2, regardless of the applied load. The apparent micro-hardness increases with the increase of the load up to 30 g; the reverse indentation size effect (ISE) behavior is typical for this interval of the loads. The influence of the load on the measured micro-hardness is statistically significant for majority of calibrations. |
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| ISSN: | 2080-9050 2300-1941 |
| DOI: | 10.2478/v10178-011-0005-5 |