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题名: Bio-inspired multifunctional metallic glass
作者: He, Yaxu1, 2, 3; Peng, Yun1, 2, 3; Li, Zhou1, 2, 3; Ma, Jiang4; Zhang, Xiyao1, 2, 3; Liu, Kesong1, 2, 3; Wang, Weihua4; Jiang, Lei1, 2, 3, 5, 6, 7
关键词: biological materials ; bio-inspired materials ; multifunction
刊名: SCIENCE CHINA-CHEMISTRY
发表日期: 2016-03-01
卷: 59, 期:3, 页:271-276
收录类别: SCI
英文摘要: As a novel class of metallic materials, bulk metallic glasses (BMGs) have attracted a great deal of attention owing to their technological promise for practical engineering applications. In nature, biological materials exhibit inherent multifunctional integration, which provides some inspiration for scientists and engineers to construct multifunctional artificial materials. In this contribution, inspired by superhydrophobic self-cleaning lotus leaves, multifunctional bulk metallic glasses (BMG) materials have been fabricated through the thermoplastic forming-based process followed by the SiO2/soot deposition. To mimic the microscale papillae of the lotus leaf, the BMG micropillar with a hemispherical top was first fabricated using micro-patterned silicon templates based on thermoplastic forming. The deposited randomly distributed SiO2/soot nanostructures covered on BMG micropillars are similar to the branch-like nanostructures on papillae of the lotus leaf. Micro-nanoscale hierarchical structures endow BMG replica with superhydrophobicity, a low adhesion towards water, and self-cleaning, similar to the natural lotus leaf. Furthermore, on the basis of the observation of the morphology of BMG replica in the Si mould, the formation mechanism of BMG replica was proposed in this work. The BMG materials with multifunction integration would extend their practical engineering applications and we expect this method could be widely adopted for the fabrication of other multifunctional BMG surfaces.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35878
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Beihang Univ, Key Lab Bioinspired Smart Interfacial Sci & Techn, Minist Educ, Beijing 100191, Peoples R China
2.Beihang Univ, Beijing Key Lab Bioinspired Energy Mat & Devices, Beijing 100191, Peoples R China
3.Beihang Univ, Sch Chem & Environm, Beijing 100191, Peoples R China
4.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
5.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
6.Chinese Acad Sci, Key Lab Organ Solids, Beijing 100190, Peoples R China
7.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
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