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  • ISSN 1006-3080
  • CN 31-1691/TQ

茎柔鱼角质颚力学性能梯度变化及其材料仿制

林静远 刘必林 金宵

林静远, 刘必林, 金宵. 茎柔鱼角质颚力学性能梯度变化及其材料仿制[J]. 华东理工大学学报(自然科学版), 2022, 48(1): 70-75. doi: 10.14135/j.cnki.1006-3080.20201228002
引用本文: 林静远, 刘必林, 金宵. 茎柔鱼角质颚力学性能梯度变化及其材料仿制[J]. 华东理工大学学报(自然科学版), 2022, 48(1): 70-75. doi: 10.14135/j.cnki.1006-3080.20201228002
LIN Jingyuan, LIU Bilin, JIN Xiao. Gradient Change of Mechanical Behavior of Dosidicus Gigas Beak and Preparation of Biomimetic Materials[J]. Journal of East China University of Science and Technology, 2022, 48(1): 70-75. doi: 10.14135/j.cnki.1006-3080.20201228002
Citation: LIN Jingyuan, LIU Bilin, JIN Xiao. Gradient Change of Mechanical Behavior of Dosidicus Gigas Beak and Preparation of Biomimetic Materials[J]. Journal of East China University of Science and Technology, 2022, 48(1): 70-75. doi: 10.14135/j.cnki.1006-3080.20201228002

茎柔鱼角质颚力学性能梯度变化及其材料仿制

doi: 10.14135/j.cnki.1006-3080.20201228002
基金项目: 国家重点研发计划(2019YFD0901404);上海市高校特聘教授“东方学者”岗位计划项目(0810000243);上海市“浦江人才”计划项目(18PJ1404100);上海市科技创新行动计划(19DZ1207502)
详细信息
    作者简介:

    林静远(1994-),女,上海人,硕士,研究方向为渔业资源生物学

    通讯作者:

    刘必林,E-mail:bl-liu@shou.edu.cn

  • 中图分类号: S917.4

Gradient Change of Mechanical Behavior of Dosidicus Gigas Beak and Preparation of Biomimetic Materials

  • 摘要: 水合的茎柔鱼角质颚喙具有很大的硬度梯度,从喙部到翼部硬度相差两个数量级。这种力学性能的梯度变化与角质颚的几丁质、水和蛋白质混合物等化学成分有关,蛋白质通过多巴进行交联耦合,交联后含有组氨酸的蛋白质决定了角质颚的硬度大小。基于茎柔鱼角质颚力学性能具有梯度变化这一特性,利用壳聚糖等有机物制作了具有类似硬度梯度变化的材料,实现了仿生材料在不存在界面的情况下其力学性能呈现空间梯度变化的特点。

     

  • 图  1  角质颚的结构

    Figure  1.  Beak structure

    图  2  角质颚梯度材料样条

    Figure  2.  Beak gradient material sample

    图  3  茎柔鱼角质颚不同部位的应力与应变

    Figure  3.  Stress and strain of different parts of Dosidicus gigas’s beak

    图  4  水合的角质颚不同部位硬度

    Figure  4.  Hardness of different parts of the hydrated Dosidicus gigas’s beak

    图  5  不同质量分数NaIO4下溶液的吸光度

    Figure  5.  Absorbance of solution with different mass fractions of NaIO4

    图  6  不同质量分数NaIO4下材料拉伸强度与韧性的变化曲线

    Figure  6.  Variation curves of tensile strength and toughness at different mass fractions of NaIO4 and chitosan mass ratios

    图  7  不同质量分数NaIO4下样条的弹性模量(a)、拉伸强度(b)与断裂伸长率(c)变化趋势

    Figure  7.  Elasticity modulus (a), tensile strength (b) and elongation at break (c) of different mass fractions of NaIO4

    图  8  不同质量分数NaIO4下材料的硬度

    Figure  8.  Hardness at different mass fractions of NaIO4

    图  9  茎柔鱼角质颚各部位与仿生材料力学性能对比

    Figure  9.  Comparison of mechanical properties of various parts of Dosidicus gigas’s beak with biomimetic materials

    表  1  茎柔鱼角质颚塑料-薄膜的拉伸性能

    Table  1.   Plastic-film tensile properties of Dosidicus gigas’s beak

    Different parts
    of beak
    Elasticity modulus/MPaTensile strength/MPaElongation at break/%
    Rostrum3448.0264.387.27
    Lateral wall1950.3449.609.98
    Wing790.7438.0510.84
    下载: 导出CSV

    表  2  塑料-薄膜拉伸性能实验

    Table  2.   Plastic-film tensile properties test

    w(NaIO4)/%m(NaIO4)/mgElasticity modulus/MPaTensile strength/MPaElongation
    at break/%
    11.25508.8529.5916.41
    33.75838.0635.1210.25
    56.251895.9542.968.64
    911.252447.3451.386.88
    1518.751625.4837.864.55
    2531.251152.9926.141.90
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-12-28
  • 网络出版日期:  2021-06-16
  • 刊出日期:  2022-02-28

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