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Brinell Hardness Number

Brinell Hardness Number

Overview: 

 

  • Standard test from material testing industry adapted to rock testing to serve as an indentation strength index. 

  • Performed as per ASTM E10 and complies with the indentation testing requirements of ISRM Blue Book. 

  • End faces have to be flat for ideal indentation. 

  • Index can be utilized to develop correlations with UCS or tensile strength value to create continuous profiles of the strength index. 

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