Optimal composite structures in the forewings of beetles

Chen, Jinxiang; Dai, Guangze; Xu, Yinglian; Iwamoto, Masaharu

doi:10.1016/j.compstruct.2006.09.006

Cited by 39 publications

(23 citation statements)

References 7 publications

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“…[13,[20][21][22]24,36,38,63,64] Chitin recently has become a substance of much scientific investigation. [65][66][67] In the insect cuticle it has been compared to the rods of armoured concrete.…”

Section: The Cuticle Materialsmentioning

confidence: 99%

Colours and Metallic Sheen in Beetle Shells — A Biomimetic Search for Material Structuring Principles Causing Light Interference

Lenau¹,

Barfoed²

2008

Adv Eng Mater

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Visual aesthetic has always played a vital role for the success of many products. This includes colours and glossiness and metal appearance which is often achieved using surface coatings. Present coating techniques do, however, have limitations. It is difficult to reach very bright and brilliant colours, colours tend to fade over time and many of the materials and coating technologies pollute and have other environmental problems. Beetles in nature have many of the desired properties: They have appealing brilliant colours and some even with metallic appearance. It is noticeable that the colours are long lasting as some of the beetles we have studied at the zoological museum are more than 200 years old and have colours and brightness as if they were still alive. Furthermore, the beetles in nature are part of sustainable ecosystems, which means that they are made from renewable materials that are broken down and recycled when the beetle dies. Beetles also possess another and very attractive property: Their metallic look originates from structures in organic materials which is both electrically and thermal insulating. The industrial perspective is to be able to manufacture products with attractive metallic surfaces that do not feel so cold to touch as their metallic counterparts and that do not represent an electrical shock hazard.

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Section: The Cuticle Materialsmentioning

confidence: 99%

Colours and Metallic Sheen in Beetle Shells — A Biomimetic Search for Material Structuring Principles Causing Light Interference

Lenau¹,

Barfoed²

2008

Adv Eng Mater

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“…The existence of a tree-fork fiber structure in forewings and a corresponding model were reported in 2003 [100]. In fact, the model was proposed in 1992 [101] and was inspired by the morphology of trees; the tree-fork fibers should form a cross-reticular structure [64], as shown in Fig. 17(d).…”

Section: Optimization Of Integrated Honeycomb Technology and Its Resementioning

confidence: 93%

“…17(c, △). In fact, the bifurcated fibers in the forewing that were reported by JX Chen [64] can be considered to form a mesh structure (marked with an asterisk in Fig. 17d).…”

Section: Optimization Of Integrated Honeycomb Technology and Its Resementioning

confidence: 94%

“…1d and 2c, g, arrows); the presence of this hole is attributed to the protein-removal process because the trabecular core was composed primarily of proteins prior to their removal by the KOH treatment ( Fig. 2a, b, e) [62,64,65]. Therefore, a simple model of the trabecular microstructure of the A. dichotoma forewings was developed [68,69].…”

Section: D Structure Modeling and Mechanical Properties Of The Beetmentioning

confidence: 99%

“…F Liu from Shanghai Normal University and W Yuan from Jiangsu University thoroughly studied forewing structural colors and their applications [50][51][52][53][54][55][56]. Since 1997, JX Chen from Southeast University 1 has investigated the 3D microstructures of beetle forewings and their mechanical properties, such as their tensile strength and anti-stripping properties, and has developed a lightweight biomimetic integrated honeycomb plate [3,[57][58][59][60][61][62][63][64][65][66]. In our previous paper, we first explained the microstructurebased classification system for beetle forewings, focused on forewing structural colors and the mechanism of their formation, described the structures observed in vertical and transverse cross-sections, and examined the mechanical properties of forewings.…”

Section: Introductionmentioning

confidence: 99%

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