3D-printed Lunar regolith simulant-based geopolymer composites with bio-inspired sandwich architectures  

作　　者：Siqi Ma Yuqi Jiang Shuai Fu Peigang He Chengyue Sun Xiaoming Duan Dechang Jia Paolo Colombo Yu Zhou 

机构地区：[1]Institute for Advanced Ceramics,School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China [2]Key Laboratory of Advanced Structural–Functional Integration Materials&Green Manufacturing Technology,Harbin Institute of Technology,Harbin 150001,China [3]Max Planck Institute for Polymer Research,Mainz 5512,Germany [4]Laboratory for Space Environment and Physical Sciences,Harbin Institute of Technology,Harbin 150001,China [5]Department of Industrial Engineering,University of Padova,Padova 35122,Italy [6]Department of Materials Science and Engineering,The Pennsylvania State University,Philadelphia 16802,USA

出　　处：《Journal of Advanced Ceramics》2023年第3期510-525,共16页先进陶瓷（英文）

基　　金：support from the National Natural Science Foundation of China(Nos.52072090 and 51872063);the Heilongjiang Touyan Innovation Team Program and the Natural Science Foundation of Heilongjiang Province(No.YQ2019E002);the Advanced Talents Scientific Research Foundation of Shenzhen:Yu Zhou,and the Sichuan Provincial Science and Technology Program Project(No.21SYSX0170).

摘　　要：Over time,natural materials have evolved to be lightweight,high-strength,tough,and damage-tolerant due to their unique biological structures.Therefore,combining biological inspiration and structural design would provide traditional materials with a broader range of performance and applications.Here,the application of an ink-based three-dimensional(3D)printing strategy to the structural design of a Lunar regolith simulant-based geopolymer(HIT-LRS-1 GP)was first reported,and high-precision carbon fiber/quartz sand-reinforced biomimetic patterns inspired by the cellular sandwich structure of plant stems were fabricated.This study demonstrated how different cellular sandwich structures can balance the structure–property relationship and how to achieve unprecedented damage tolerance for a geopolymer composite.The results presented that components based on these biomimetic architectures exhibited stable non-catastrophic fracture characteristics regardless of the compression direction,and each structure possessed effective damage tolerance and anisotropy of mechanical properties.The results showed that the compressive strengths of honeycomb sandwich patterns,triangular sandwich patterns,wave sandwich patterns,and rectangular sandwich patterns in the Y-axis(Z-axis)direction were 15.6,17.9,11.3,and 20.1 MPa(46.7,26.5,23.8,and 34.4 MPa),respectively,and the maximum fracture strain corresponding to the above four structures could reach 10.2%,6.7%,5.8%,and 5.9%(12.1%,13.7%,13.6%,and 13.9%),respectively.

关 键 词：Lunar regolith simulant(LRS) three-dimensional(3D)printing geopolymer(GP) in situ resource utilization(ISRU) bio-inspired patterns damage tolerance 

分 类 号：TB332[一般工业技术—材料科学与工程]