Using Energy Method to Calculate Elastic Modulus and Indentation Hardness of Materials

JIN Hong-ping; CHEN Jian-guo

Materials and Mechanical Engineering > 2013 > 37(9): 84-89.

JIN Hong-ping, CHEN Jian-guo. Using Energy Method to Calculate Elastic Modulus and Indentation Hardness of Materials[J]. Materials and Mechanical Engineering, 2013, 37(9): 84-89.

Citation:

JIN Hong-ping, CHEN Jian-guo. Using Energy Method to Calculate Elastic Modulus and Indentation Hardness of Materials[J]. Materials and Mechanical Engineering, 2013, 37(9): 84-89.

Citation:

JIN Hong-ping, CHEN Jian-guo. Using Energy Method to Calculate Elastic Modulus and Indentation Hardness of Materials[J]. Materials and Mechanical Engineering, 2013, 37(9): 84-89.

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Using Energy Method to Calculate Elastic Modulus and Indentation Hardness of Materials

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Received Date: May 11, 2013

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Abstract

Based on energy method, using dimensional analysis method and the Π theorem, the dimensionless function between the indentation work, indentation hardness and indentation parameters, material properties were derived. Based on finite element simulation analysis, a linear relationship between the dimensionless indentation hardness and indentation work was established. According to the linear relationship between the unloaded slope and contact area, the analytic model of indentation hardness and elastic modulus was obtained, and then combining the load-depth curves, the indentation hardness and elastic modulus of materials could be obtained. The results show that using energy method could measure indentation hardness and elastic modulus rapidly and accuratly.
- energy method,
- elastic modulus,
- indentation hardness

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