Results 231 to 240 of about 9,511,277 (308)

Characterisation and modeling of additively-manufactured polymeric hybrid lattice structures for energy absorption

, 2021
Lightweight cellular materials and structures are widely used in load-bearing and energy absorption applications, because of favorable mechanical properties such as high compressibility and low relative density.
Z. Sun, Y. B. Guo, V. Shim
semanticscholar   +1 more source

Compression behavior and energy absorption of 3D printed continuous fiber reinforced composite honeycomb structures with shape memory effects

Additive Manufacturing, 2021
Three-dimensional (3D) printing is a potential rapid prototyping process that may replace traditional manufacturing processes to fabricate lightweight cellular structures with superior energy absorption performance.
C. Zeng, Liwu Liu, W. Bian, J. Leng, Yanju Liu   +4 more
semanticscholar   +1 more source

A novel gradient negative stiffness honeycomb for recoverable energy absorption

, 2021
This paper designs a novel reusable gradient negative stiffness (GNS) honeycomb structure and focuses on investigating its energy absorption (EA).
Shuai Chen, X. Tan, Jiqiang Hu, Shaowei Zhu, Bing Wang, L. D. Wang, Y. Jin, Lin-zhi Wu   +7 more
semanticscholar   +1 more source

Design, mechanical properties and energy absorption capability of graded-thickness triply periodic minimal surface structures fabricated by selective laser melting

, 2021
Graded triple periodic minimal surface (TPMS) structures fabricated by selective laser melting (SLM) are superior candidates for lightweight and energy-absorbing applications.
Xiaojie Fan, Qian Tang, Qixiang Feng, Shuai Ma, Jun Song, Mengxia Jin, Fuyu Guo, Jin Peng   +7 more
semanticscholar   +1 more source

In-plane dynamics crushing of a combined auxetic honeycomb with negative Poisson's ratio and enhanced energy absorption

, 2021
In order to improve the energy absorption capacity of the honeycomb, a combined auxetic honeycomb is designed in this paper. By using the double-inclined walls replacing the horizontal walls of the star-shaped honeycomb (SSH), and introducing a thin ...
Huan Lu, Xiaopeng Wang, Tianning Chen
semanticscholar   +1 more source

Mechanical properties and energy absorption capabilities of aluminium foam sandwich structure subjected to low-velocity impact

Construction and Building Materials, 2021
Aluminium foam sandwich structures have notable advantages in energy absorption for impact protection. In this study, experiment and numerical analysis were conducted to explore the dynamic behaviours, mechanisms of deformation and damage, and energy ...
Ying Zhao, Zhaowen Yang, Tianlai Yu, D. Xin   +3 more
semanticscholar   +1 more source

Design and additive manufacturing of a modified face-centered cubic lattice with enhanced energy absorption capability

, 2021
In this paper, a novel lattice structure for energy absorption application is proposed that is modified from the traditional face-centered cubic (FCC) lattice by introducing a cross-rod at the center of the cell.
Peng Wang, Fan Yang, Puhao Li, B. Zheng, Hualin Fan   +4 more
semanticscholar   +1 more source

Controlled snapping sequence and energy absorption in multistable mechanical metamaterial cylinders

, 2021
Mechancial metamaterials comprising bistable unit cells utilize a sinusoidal beam to enable significant deformation between stable states, which is associated with energy absorption. A stack of similar bistable unit cells, i.e., multistable metamaterials,
T. R. Giri, Russell W. Mailen
semanticscholar   +1 more source

Stiffness and energy absorption of additive manufactured hybrid lattice structures

Virtual and Physical Prototyping, 2021
Lattice structures have been widely used for lightweight structures and energy absorption applications, yet there remain persistent challenges to develop high-performance lattice structures.
Jun-hui Zhang, Hsinpu Huang, Gan Liu, Huaizhi Zong, Chao Zhang   +4 more
semanticscholar   +1 more source

Improving the energy absorption capacity of square CFRP tubes with cutout by introducing chamfer

International Journal of Mechanical Sciences, 2021
Carbon fiber reinforced polymer (CFRP) tubes have been widely used as energy absorption devices. Because it is inclined to deform in progressive crushing mode (PCM) with low initial peak force Fp and high specific energy absorption SEA (the energy ...
Song Zhibo, Shizhao Ming, Tong Li, K. Du, Caihua Zhou, Bo Wang   +5 more
semanticscholar   +1 more source