Mechanical Evaluations of Structure and Material Composition of Eggshell

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概要

• 論文の詳細を見る

• An eggshell is cracked easily by an inside load, but has strong resistance to an outside load. In this study, the structural and material composition of an eggshell(from a hen's egg)is analyzed by microscopic observation, static and dynamic penetration tests and FEM. The results obtained are as follows. (1)From microscopic observation, the eggshell is found to have a laminated structure of many material compositions. (2)The outer eggshell membrane acts as a strong adhesive agent between the inner eggshell membrane and the eggshell. (3)A cone-type punch and striker makes an initial crack easily, but subsequently large penetration energies are required. (4)The penetration energy required from outside of an eggshell is larger than from inside because it includes the energies required to break the membrane and peel it off the eggshell.

• 一般社団法人日本機械学会の論文
• 1998-01-15

著者

• ODA JUHACHI

  Department of Human and Mechanical System Engineering, Faculty of Engineering, Kanazawa University

• Oda J

  Kanazawa Univ. Ishikawa Jpn

• Sakai Shinobu

  Sumitomo Bakelite Co. Ltd.

• Sakai S

  Department Of Human & Mechanical Engineering Kanazawa University

• Sakai Shinobu

  Department Of Human & Mechanical Engineering Kanazawa University

• KEMMOCHI Satoru

  Kawamura Orthopedic Appliance Co., Ltd.

• Kemmochi Satoru

  Kawamura Orthopedic Appliance Co. Ltd.

• Kenmochi Satoru

  Kawamura Orthopedic Appliance Co., Ltd.

• Oda Juhachi

  Department of Human & Mechanical Engineering, Kanazawa University

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