Impact testing of structural biological materials

被引：45

作者：

Lee, Steve ^{[2
]}

Novitskaya, Ekaterina E. ^{[1
]}

Reynante, Brandon ^{[2
]}

Vasquez, Joshua ^{[2
]}

Urbaniak, Robert ^{[2
]}

Takahashi, Tsukasa ^{[2
]}

Woolley, Evan ^{[2
]}

Tombolato, Luca ^{[1
]}

Chen, Po-Yu ^{[1
]}

McKittrick, Joanna ^{[1
,2
]}

机构：

[1] Univ Calif San Diego, Mat Sci & Engn Program, La Jolla, CA 92093 USA

[2] Univ Calif San Diego, Dept Mech & Aerosp Engn, La Jolla, CA 92093 USA

来源：

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS | 2011年 / 31卷 / 04期

基金：

美国国家科学基金会;

关键词：

Structural biological materials; Drop weight test; Composites; Impact damage; Delamination; VELOCITY IMPACT; RESISTANCE; STRENGTH; FRACTURE; ANTLER; DAMAGE; COMPOSITES; WATER;

D O I：

10.1016/j.msec.2010.10.017

中图分类号：

TB3 [工程材料学]; R318.08 [生物材料学];

学科分类号：

0805 ; 080501 ; 080502 ;

摘要：

Structural biological materials must be highly impact resistant, as appendages such as antlers and horns must sustain repeated, seasonal impact loads. Determining the impact damage progression along with the impact strength is very important for understanding how nature has optimized the structure and properties of biological materials in order to guide the design of superior bio-inspired synthetic materials. A drop weight test tower based on standards for testing fiber-reinforced polymer matrix composites was designed and fabricated to accommodate the small size of biological materials. The materials tested were divided into two groups: non-mineralized and mineralized. The former demonstrated the highest impact strength and showed strong dependence on water content, while the latter were relatively brittle and demonstrated no dependence on water content. Delamination was the most common damage mode observed for all biological materials tested. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：730 / 739

页数：10

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