茎柔鱼角质颚机械性能梯度变化及其材料仿制

林静远; 刘必林; 金宵

doi:10.14135/j.cnki.1006-3080.20201228002

茎柔鱼角质颚机械性能梯度变化及其材料仿制

doi: 10.14135/j.cnki.1006-3080.20201228002

林静远¹,
刘必林^{1, 2, 3, 4, ,},
金宵⁵

1.
海洋科学学院上海海洋大学
2.
国家远洋渔业工程技术研究中心
3.
大洋渔业资源可持续开发教育部重点实验室
4.
农业农村部大洋渔业开发重点实验室
5.
华东理工大学材料科学与工程学院，上海 200237

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

计量
- 文章访问数: 55
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- PDF下载量: 2
- 被引次数: 0
出版历程
- 收稿日期: 2020-12-28
- 网络出版日期: 2021-06-16

Studying on gradient change of mechanical behavior of Dosidicus gigas beak and Preparation the biomimetic materials

LIN Jingyuan¹,
LIU Bilin^{1, 2, 3, 4
, ,},
JIN Xiao⁵

1.
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
2.
National Distant-water Fisheries Engineering Research Center, Shanghai Ocean University, Shanghai 201306, China
3.
The Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China
4.
Key Laboratory of Oceanic Fisheries Exploration, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
5.
College of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

摘要

摘要: 水化的茎柔鱼角质颚喙具有很大的硬度梯度，从喙部到翼部相差两个数量级。这种机械性能的梯度变化与角质颚的几丁质、水和蛋白质混合物等这些化学成分有关，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。基于茎柔鱼角质颚机械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。
- 角质颚 /
- 机械性能 /
- 梯度变化 /
- 仿生材料制作
Abstract: The beak of Dosidicus gigas is a feeding organ, which is completely composed of organic matter. The rostrum of the beak has a strong hardness and mechanical strength. The mechanical strength gradually decreases from the rostrum to the wing and. There is a significant gradient change. And the degree of pigmentation is gradually becoming shallower. Inspired by the gradient of the mechanical properties of stalk squid, the paper used chitosan, dopa, sodium periodate and other organic materials to simulate a material similar to the mechanical properties of keratin. The material can eliminate the interface, and its mechanical properties are spatially variable. And this material feature can be applied to the industry in the future.
- beak /
- mechanical behavior /
- gradient change /
- bionic material production

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图 1 角质颚的结构

Figure 1. Beak strwctres

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图 2 制备得到的角质颚梯度材料样条

Figure 2. Prepared beak gradient material sample

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图 3 茎柔鱼角质颚不同部位应力与应变大小

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

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图 4 水合的角质颚不同部位硬度

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

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图 5 不同质量分数NaIO₄比下的交联密度

Figure 5. Crosslink density at different mass fraction of NaIO₄ and chitosan

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图 6 偏高碘酸钠与壳聚糖不同质量比时材料拉伸强度与韧性的变化曲线

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

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图 7 不同偏高碘酸钠与壳聚糖质量比时样条的杨氏模量（a）、拉伸强度（b）与断裂伸长率（c）变化趋势

Figure 7. Young's modulus (a), tensile strength (b) and elongation at break (c) of different ratio of NaIO₄ and chitosan

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图 8 NaIO4与壳聚糖的质量在不同质量比下的硬度

Figure 8. The hardness of chitosan and NaIO₄ at different mass ratios

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图 9 茎柔鱼角质颚各部机械性能与仿生材料机械性能对比

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

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表 1 茎柔鱼角质颚塑料-薄膜拉伸性能试验

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

Different parts of beak	Young's modulus E/Mpa	Tensile strength/Mpa	Elongation at break/%
Rostrum	3448.02	64.38	7.27
Lateral wall	1950.34	49.60	9.98
Wing	790.74	38.05	10.84

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表 2 塑料-薄膜拉伸性能实验

Table 2. Plastic-film tensile properties test

The mass ratio of NaIO₄ to chitosan	NaIO₄/mg	Young's modulus/MPa	Tensile strength/MPa	elongation at break/%
1%	1.25	508.85	29.59	16.41
3%	3.75	838.06	35.12	10.25
5%	6.25	1895.95	42.96	8.64
9%	11.25	2447.34	51.38	6.88
15%	18.75	1625.48	37.86	4.55
25%	31.25	1152.99	26.14	1.9

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