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| 1 | Design Principles of the Non-smooth Surface of Bionic Plow Moldboard显示文摘The diverse non-smooth body surfaces to reduce soil adhesion are the evolutional results for the soil animals to fit the adhesive and wet environment and can be used as a biological basis for the design of bionic plow moldboard. The model surfaces for bionic simulation should be taken from soil animal digging organs, on which the soil motion is similar to what is on the surface of moldboard. By analyzing the distribution of non-smooth units on the body surface of the ground beetle jaw and the soil moving stresses, the design principles of the bionic moldboard for the local and the whole moldboard were presented respectively. As well, the effect of soil moving speed on reducing adhesion, the dimensions relationship between soil particles and non-smooth convexes, the relationship between the enveloping surface of non-smooth convexes and the initial smooth surface of the plow body, and the convex types of the sphere coronal and the pangolin scales,etc.were discussed. | Luquan Ren, Shiqiao Deng, Jingchun Wang, Zhiwu Han Key Laboratory of Terrain-Machine Bionics Engineering (Ministry of Education,China), Jilin University at Nanling Campus, Changchun 130022,P.R. China | 2004 | Journal of Bionic Engineering2004，1，1： | 28 |
| 2 | Excellent Structure-Based Multifunction of Morpho Butterfly Wings: A Review显示文摘 | Shichao Niu Bo Li Zhengzhi Mu Meng Yang Junqiu Zhang Zhiwu Han Luquan Ren | 2015 | Journal of Bionic Engineering2015，12，2： | 19 |
| 3 | Experimental investigation on color variation mechanisms of structural light in Papilio maackii ménétriès butterfly wings显示文摘The body color in animals results from billions of years of their natural evolution in order to evade natural enemies, catch quarries or display themselves beauty, in-vestigation on mechanisms of structural light is an important aspect of bionics. Based on the phenomenon of Papilio maackii ménétriès’ blue scales changing into green ones immediately after dropping some alcohol aqua on the underwing sur-face and soon returning back to the original color, the relationship between micro-structure, optics characteristic of scales and changing color effect were studied using the Olympus Stereomicroscope, Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and Ultraviolet (UV)-Visible Spectropho-tometer. The color variation mechanisms of blue scales of Papilio maackii mé-nétriès in Chinese Northeast were revealed in this paper. When visible lights trav-eled through the concaver structure with multilayer reflector and the filled medium with different refractive indices, the reflected lights in definite wavelengths pro-duced interference and color at that wavelength came into being. It has important academic reference value to biomimetics design of video stealth materials. | REN LuQuan QIU ZhaoMei HAN ZhiWu GUAN HuiYing WU LiYan | 2007 | Science China(Technological Sciences)2007，50，4： | 13 |
| 4 | Fabrication of Bioinspired Structured Superhydrophobic and Superoleophilic Copper Mesh for Efficient Oil-water Separation显示文摘 | Yan Song Yan Liu Bin Zhan Cigdem Kaya Thomas Stegmaier Zhiwu Han Luquan Ren | 2017 | Journal of Bionic Engineering2017，14，3： | 11 |
| 5 | Erosion-Resistant Surfaces Inspired by Tamarisk显示文摘 | Zhiwu Han Wei Yin Junqiu Zhang Jialian Jiang Shichao Niu Luquan Ren | 2013 | Journal of Bionic Engineering2013，10，4： | 11 |
| 6 | Biological coupling anti-wear properties of three typical molluscan shells—Scapharca subcrenata, Rapana venosa and Acanthochiton rubrolineatus显示文摘Molluscan shells are fascinating examples of highly ordered hierarchical structure and complex organic-inorganic biocomposite material. However, their anti-wear properties were rarely studied especially in the perspective of biological coupling. So in the current study three typical shells, Scapharca subcrenata, Rapana venosa and Acanthochiton rubrolineatus, were selected as coupling models to further study their anti-wear properties. Stereomicroscope and scanning electron microscopic observations showed that all these three shells had specific surface morphologies and complicated section microstructures. Importantly, a special structure, pore canal tubules, was discovered in the shells of Scapharca subcrenata and Acanthochiton rubrolineatus, which probably contributed most to their anti-wear properties. X-ray diffraction and micro-Vikers hardness tester were further adopted to analyze the phase compositions and micro-hardness of the shells. The measured results demonstrated that aragonite was the most extensive phase present in the shell, and possesed a relatively high micro-hardness. In this paper, the shells were described in details in morphology, structure and material with emphasis on the relationship with anti-wear property. The study revealed that the selected seashells possess distinct anti-wear properties by complicated mechanisms involving the integrated functions of multiple biological coupling elements, and this would provide inspiration to the design of new bionic wear resistance components. | XiMei Tian ZhiWu Han XiuJuan Li ZhaoGuo Pu LuQuan Ren | 2010 | Science China(Technological Sciences)2010，53，11： | 10 |
| 7 | Characterization of Multi-scale Morphology and Superhydrophobicity of Water Bamboo Leaves and Biomimetic Polydi- methylsiloxane (PDMS) Replicas显示文摘 | Huiying Guan Zhiwu Han Huina Cao Shichao Niu Zhihui Qian Junfeng Ye Luquan Ren | 2015 | Journal of Bionic Engineering2015，12，4： | 8 |
| 8 | Numerical Experiment of the Solid Particle Erosion of Bionic Configuration Blade of Centrifugal Fan显示文摘In this paper, a bionic method was presented to improve the erosion resistance of blade of the centrifugal fan. A numerical investigation of the solid particle erosion on the standard and bionic configuration blade of 4-72N10C centrifugal fan was presented. The numerical study employs computational fluid dynamics (CFD) software, based on a finite volume method, in which the discrete phase model was used to modele the solid particles flow, and the Eulerian conservation equation was adopt to simulate the continuous phase. Moreover, user-defined function was used to define wear equation. The various diameters of the particles were taken into account. The positions of collision of standard and bionic fan blades were discussed, and two kinds of centrifugal fan blade wear were compared. The results show that the particles from the incident source with different positions have different processes of turning and movement when enter into the impeller. The trajectories of flow in the fan channel are significantly different for the particles with different diameters. Bionic fan blade have lower erosion rate than the standard fan blade when the particle size is 20 μm. The anti-erosion mechanism of the bionic fan blade was discussed. | Junqiu ZHANG Zhiwu HAN Wei YIN Huiyuan WANG Chao GE Jialian JIANG | 2013 | Acta Metallurgica Sinica(English Letters)2013，26，1： | 8 |
| 9 | Light Trapping Effect in Wing Scales of Butterfly Papilio peranthus and Its Simulations显示文摘 | Zhiwu Han Shichao Niu Lufeng Zhang Zhenning Liu Luquan Ren | 2013 | Journal of Bionic Engineering2013，10，2： | 7 |
| 10 | Artificial Hair-Like Sensors Inspired from Nature: A Review显示文摘 | Zhiwu Han Linpeng Liu Kejun Wang Honglie Song Daobing Chen Ze Wang Shichao Niu Junqiu Zhang Luquan Ren | 2018 | Journal of Bionic Engineering2018，15，3： | 6 |
| 11 | Anti-adhesive Property of Maize Leaf Surface Related with Temperature and Humidity显示文摘 | Zhiwu Han Jia Fu Yuqiang Fang Junqiu Zhang Shichao Niu Luquan Ren | 2017 | Journal of Bionic Engineering2017，14，3： | 5 |
| 12 | Microstructure and structural color in wing scales of butterfly Thaumantis diores显示文摘The butterfly Thaumantis diores is a species in the Northeast of China. There are two kinds of scales on its wings, which overlap like roof tiles and completely cover the membrane. The SEM results showed that only Type-I scales play a key role in forming the blue structural color. Type-II scales have black chemical color. The cross section micro-configuration of scales is achieved by using the transmission electron microscopy (TEM). The brilliant blue generated through the multilayer microstructure is explained by the photonic crystal reason. The multilayer microstructure of the ridges is optimized to 1D Bragg stack for simulation. The reflectivity of the wing is measured by a spectrometer, and the experimental graph accord with the simulation curves basically. When this species fly, the wing's color and brightness can change because of the transform between structural color and chemical color. The bionic color-changing design and the significance of this effect in video stealth or other fields are discussed at the end of the paper. | HAN ZhiWu WU LiYan QIU ZhaoMei REN LuQuan | 2009 | Chinese Science Bulletin2009，54，4： | 5 |
| 13 | Mechanical Characteristics of Typical Plant Leaves显示文摘Plant leaf is a natural composite biomaterial, and its strength is closely related to the microstructure. In this paper, themechanical characteristics of eight species of plant leaves were investigated and analyzed. The ultimate strength of leaves andthe hardness of leaf surfaces were measured by using universal testing machine and nanoindenter tester, respectively. The tensilestrength of the parallel microstructure was investigated based on its cross-sectional mechanical model. The results of tensiontests indicate that the ultimate strength of a leaf is related to the material composition and structure. The coriaceous leavesusually exhibit higher tensile strength. For example, the Phyllostachys pubescens leaf can achieve the maximum ultimatestrength of 5.9091 N·mm-2. It is concluded from the results of hardness tests that material components of leaf surface caninfluence the surface hardness evidently. The leaf surface composed of more lignin and cellulose materials shows a highersurface hardness than that composed of more carbohydrates materials. | Shujie Wang, Luquan Ren, Yan Liu, Zhiwu Han, Yue Yang The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University, Changchun 130022, P. R. China | 2010 | Journal of Bionic Engineering2010，7，3： | 4 |
| 14 | Antifogging properties and mechanism of micron structure in Ephemera pictiventris McLachlan compound eyes显示文摘An antifogging function surface with simple structure and suitable for large-area production was found inspired by Ephemera pictiventris McLachlan compound eyes.The compound eyes structure,antifogging properties and mechanism were studied by anti-fog test,dyeing test and scanning electron microscopy,and so forth.Then,3D model of the sample was established,and the antifogging mechanism was explained by the Cassie model.Results showed that the compound eyes are composed of hundreds of micron size ommatidia arranged in curved array form,and this structure shows excellent antifogging function.This research may provide new ideas for design of simple structure and micron size antifogging function surface.This work is also expected to be applied to antifogging function surface of astronaut helmets and medical endoscopes,and so forth. | Zhiwu Han Huiying Guan Yanyan Cao Shichao Niu Luquan Ren | 2014 | Chinese Science Bulletin2014，59，17： | 4 |
| 15 | Angle-dependent discoloration structures in wing scales of Morpho menelaus butterfly显示文摘The Morpho butterfly is famous for its typical structural color and has increasingly attracted the interest of scholars in a wide variety of research fields. Herein, it was found that the color of Morpho menelaus butterfly wings is not only structure-based but also viewing-angle-dependent. Firstly, the discoloration effect of this typical butterfly was confirmed by a series of experiments. Then, the general form, arrangements, and geometrical dimensions of the scales were observed using a stereomicroscope. Scanning electron microscopy was also used to examine the two-dimensional morphologies and structures of a single scale. Afterwards, one model with the optimized three-dimensional profile of the structure was described using Pro-engineer software. The associate model was then analyzed to reconstruct the process between the incident light and the model surface. Finally, the mechanism of the angle-dependent discoloration effect was analyzed by theoretical calculation and optical simulation. Different light propagation paths and the length of the incident light at different angles caused destructive or constructive interference between the light reflected from the different layers. The different spectra of the reflected light make the wings appear with different structural colors, thereby endowing the angle-dependent discoloration effect. The consistency of the calculation and simulation results confirms that these structures possess an excellent angle-dependent discoloration effect. This functional 'biomimetic structure' would not only be of great scientific interest but could also have a great impact in a wide range of applications such as reflective displays, credit card security, and military stealth technology. | NIU ShiChao LI Bo YE JunFeng MU ZhengZhi ZHANG JunQiu LIU Yan HAN ZhiWu | 2016 | Science China(Technological Sciences)2016，59，5： | 4 |
| 16 | Preface显示文摘前言 | ZhiWu Han LiYan Wu ZhaoMei Qiu LuQuan Ren | 2010 | Chinese Science Bulletin2010，55，30： | 3 |
| 17 | Water-trapping and drag-reduction effects of fish Ctenopharyngodon idellus scales and their simulations显示文摘In the last decades, surface drag reduction has been re-emphasized because of its practical values in engineering applications,including vehicles, aircrafts, ships, and fuel pipelines. The bionic study of drag reduction has been attracting scholars' attentions. Here, it was determined that the delicate microstructures on the scales of the fish Ctenopharyngodon idellus exhibit remarkable drag-reduction effect. In addition, the underlying drag-reduction mechanism was carefully investigated. First,exceptional morphologies and structures of the scales were observed and measured using a scanning electron microscope and3-dimensional(3D) microscope. Then, based on the acquired data, optimized 3D models were created. Next, the mechanism of the water-trapping effect of these structures was analyzed through numerical simulations and theoretical calculations. It was determined that there are many microcrescent units with certain distributions on its surface. In fact, these crescents are effective in generating the 'water-trapping' effect and forming a fluid-lubrication film, thus reducing the skin friction drag effectively.Contrasting to a smooth surface, the dynamics finite-element analysis indicated that the maximum drag-reduction rate of a bionic surface is 3.014% at 0.66 m/s flow rate. This study can be used as a reference for an in-depth analysis on the bionic drag reduction of boats, underwater vehicles, and so forth. | WU LiYan JIAO ZhiBin SONG YuQiu REN WenTao NIU ShiChao HAN ZhiWu | 2017 | Science China(Technological Sciences)2017，60，7： | 3 |
| 18 | Effect of Thermal Fatigue Loading on Tensile Behavior of H13 Die Steel with Biomimetic Surface显示文摘Biomimetic surface is an effective ways to promote the performance grade and applied range of materials without alteringtheir substrate.Many improved properties such as resisting fatigue,enduring wear,etc,have been achieved by applyingbiomimetic morphology or structure to some engineering material surfaces.In this paper,aiming to reveal the relationshipbetween thermal cracking behavior and mechanical properties of engineering materials with biomimetic surface,biomimeticspecimens were fabricated using laser technique by imitating the heterogeneous structure on the surface of plant leaves.Theeffect of thermal fatigue cycling on the tensile properties of H13 die steel specimens with different surfaces (several types ofbiomimetic surfaces and a smooth surface) was compared and investigated.As a result,due to the coupling effects of themorphological features on the surface and the microstructure characteristics within unit zone,these specimens with biomimeticsurface exhibit remarkably enhanced Ultimate Tensile Strength (UTS) and 0.2% Yield Strength (YS) compared with referencespecimens while corresponding ductility remains largely unaffected even heightened,whether the thermal fatigue loads or not.The relative mechanisms leading to these improvements have been discussed. | Zhihui Zhang~1,Luquan Ren~1,Hong Zhou~2,Zhiwu Han~1,Xin Tong~3,Yu Zhao~1,Li Chen~1 1.Key Laboratory of Bionic Engineering (Ministry of Education,China),Jilin University,Changchun 130022,P.R.China 2.Key Laboratory of Automobile Materials (Ministry of Education,China),Jilin University,Changchun 130022,P.R.China 3.The Department of Materials Surface Engineering,Guangzhou Research Institute of Non-Ferrous Metals,Guangzhou 510651,P.R.China | 2010 | Journal of Bionic Engineering2010，7，4： | 3 |
| 19 | A Bionic Vibration Source Localization Device Inspired by the Hunting Localization Mechanism of Scorpions显示文摘The challenges we are faced with in localizing objects are the complex environments,such as tunnels,high-rise areas and underground parking lots.This paper develops a bionic vibration source localization device to estimate the direction of the object which is inspired by the unique and precise hunting localization mechanism of scorpions.The localization device uses the sensor array,which is patterned after the scorpions5 biological sensory structure,and imitates the coding mode of scorpions,sensory neurons for determination of the prey(vibration source)bearing.To verify the effectiveness of the localization device,some experiments were performed through real collected vibration signals.The Average Estimated Error(AEE)and the Relative Estimated Error(REE)of the experimental results were calculated to be 3.64°土2.44°and-1.43°±4.14°,respectively.It indicates that the device has a good performance to estimate the bearings of vibration sources at different distances and azimuths.This bionic localization device lays the foundation for the development of locating the moving object in some special conditions. | Fu Liu Ke Wang Yun Liu Bing Kang Zhiwu Han Tao Hou | 2019 | Journal of Bionic Engineering2019，16，6： | 2 |
| 20 | Progress in Bio‑inspired Anti‑solid Particle Erosion Materials:Learning from Nature but Going beyond Nature显示文摘Solid particle erosion is a common phenomenon in engineering fields,such as manufacturing,energy,military and aviation.However,with the rising industrial requirements,the development of anti-solid particle erosion materials remains a great challenge.After billions of years of evolution,several natural materials exhibit unique and exceptional solid particle erosion resistance.These materials achieved the same excellent solid particle erosion resistance performance through diversified strategies.This resistance arises from their micro/nanoscale surface structure and interface material properties,which provide inspiration for novel multiple solutions to solid particle erosion.Here,this review first summarizes the recent significant process in the research of natural anti-solid particle erosion materials and their general design principles.According to these principles,several erosion-resistant structures are available.Combined with advanced micro/nanomanufacturing technologies,several artificial anti-solid particle erosion materials have been obtained.Then,the potential applications of anti-solid particle erosion materials are prospected.Finally,the remaining challenges and promising breakthroughs regarding anti-solid particle erosion materials are briefly discussed. | Shuaijun Zhang Junqiu Zhang Bin Zhu Shichao Niu Zhiwu Han Luquan Ren | 2020 | Chinese Journal of Mechanical Engineering2020，33，3： | 2 |
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