Advances in materials Research

  • 제7권3호
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  • Pages.185-194
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  • 2018
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  • 2234-0912(pISSN)
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  • 2234-179X(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Mechanical properties of top neck mollusks shell nano composite in different environmental conditions

  • Masir, Amin Nouroozi (Department of Mechanical Engineering, University Campus 2, University of Guilan) ;
  • Darvizeh, Abolfazl (Department of Mechanical Engineering, University of Guilan) ;
  • Zajkani, Asghar (Department of Mechanical Engineering, Imam Khomeini International University)
  • 투고 : 2019.03.12
  • 심사 : 2019.04.28
  • 발행 : 2018.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

The mechanism of biological materials structure is very complex and has optimal properties compared to engineering materials. Top Neck mollusks shells, as an example of biological materials, have hierarchical structure, which 95 percent of its structure is Aragonite and 5 percent organic materials. This article detected mechanical properties of the Top Neck mollusks shell as a Nano composite using Nano-indentation method in different situations. Research findings indicate that mechanical properties of the Top Neck mollusks shell including elastic modulus and hardness are higher than a fresh one preserved in -50 centigrade and also a Top Neck mollusks shell preserved in environmental conditions. Nano-indentation test results are so close in range, overall, that hardness degree is 3900 to 5200 MPa and elastic modulus is 70 to 85 GPa.

키워드

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