کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6705305 | 502902 | 2016 | 24 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Hierarchical honeycomb lattice metamaterials with improved thermal resistance and mechanical properties
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Recent advances in the defense, aerospace, and energy industries have triggered tremendous demand for multifunctional materials featuring lightweight, load-carrying capacity, and thermal resistance. Metamaterials with artificially engineered architectures can be exploited to provide a compelling combination of these properties. Here we report a group of hierarchically architected metamaterials constructed by replacing cell walls of regular honeycombs with hexagonal, kagome, and triangular lattices, respectively. Our numerical and analytical studies indicate that the introduction of structural hierarchy in regular honeycombs results in improved heat resistance and thermal anisotropy. These thermal properties can be controlled by tailoring two geometric parameters of the hierarchical honeycombs. We also predict that the hierarchical honeycombs with kagome and triangular lattices exhibit enhanced mechanical properties. Our analysis reveals that the integrated thermal mitigation and load-carrying capacity of the hierarchical honeycombs are attributed to the introduction of structural hierarchy. The hierarchical metamaterials reported here provides new opportunities to design multifunctional materials that are promising for various engineering applications.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composite Structures - Volume 152, 15 September 2016, Pages 395-402
Journal: Composite Structures - Volume 152, 15 September 2016, Pages 395-402
نویسندگان
Yanyu Chen, Zian Jia, Lifeng Wang,