Microhardness of Mollusc Seashell Structures

Filetin, Tomislav and Žmak, Irena and Šolić, Sanja and Jakovljević, Suzana (2010) Microhardness of Mollusc Seashell Structures. = Microhardness of Mollusc Seashell Structures. In: International Conference on Innovative Technologies IN-TECH, 14-16.09.2010., Prag; Czech Republic.

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An inspiration for a new development or improvement of properties of the structural biomimetic materials can be found in nature. Nano- and micro indentation gives valuable information about mechanical response, particularly under compression, but also under tensile and shear loading. The Vickers microhardness of Pinna pectinata (Pinnidae) Adriatic Sea mollusc shell structure has been determined as a function of the indentation load. Particularly, the influence of loading direction on the hardness of the nacreous and prismatic structures has been investigated. The results show that the measured microhardness depends on the load for the nacreous and prismatic structures, except for the prismatic indented perpendicular to the outer surface. The load dependence of microhardness is analysed by the known Meyer’s law, wherefrom the calculated regression coefficients are very high for the all investigated cases.

Item Type: Conference or Workshop Item (Poster)
Keywords (Croatian): seashell structures; microhardness; indentation size effect
Subjects: NATURAL SCIENCES > Biology
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1010 Chair of Materials and Tribology
200 Department of Engineering Mechanics
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 07 Jul 2015 12:08
Last Modified: 07 Jul 2015 12:08
URI: http://repozitorij.fsb.hr/id/eprint/4471

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