SiO_(2)decorated wood nanocomposite with enhanced mechanical performance,flame and water resistanceOA
Development of lightweight and strong structural material using fast-growing poplar wood is promising for green and sustainable engineering.Herein,the overall performances of fast-growing natural poplar wood(NPW)are significantly enhanced via delignification,in situ growth of SiO_(2)followed by densification.The SiO_(2)/compresseddelignified-wood(SiO_(2)/CDW)nanocomposite obtained exhibits outstanding mechanical properties including a bending strength of 395.6 MPa,a tensile strength of 253.4 MPa,and a toughness of 7.1 MJ/m^(3),which is improved by 1548%,240%and 590%,respectively compared with NPW.In addition,the ignition time and burning time of SiO_(2)/CDW nanocomposite are prolonged by 700%and 112%compared to those of NPW.Moreover,the specific wear rate of SiO_(2)/CDW is 18×10^(-6)mm^(3)/Nm,which is 72.6%lower than that of NPW.Moreover,the spring-back ratios of SiO_(2)/CDW in 95%and in water are 45.2%and 66.7%,which are lower than those of CDW(64.6%and 92.4%).The SiO_(2)/CDW nanocomposite with enhanced mechanical,flame/water retardant and wear performances are promising to meet the needs of modern engineering as green and sustainable materials.
Youyong Wang;Xiangqian Wang;Beizhou Zhang;Shuai Zhai;Hao Li;Yuanqing Li;Weibin Zhu;Shaoyun Fu
School of Materials Science and Engineering,Hubei University of Automotive Technology,Shiyan 442002,China College of Aerospace Engineering,Chongqing University,Chongqing 400044,ChinaCollege of Aerospace Engineering,Chongqing University,Chongqing 400044,ChinaSchool of Materials Science and Engineering,Hubei University of Automotive Technology,Shiyan 442002,ChinaSchool of Materials Science and Engineering,Hubei University of Automotive Technology,Shiyan 442002,ChinaSchool of Materials Science and Engineering,Hubei University of Automotive Technology,Shiyan 442002,ChinaCollege of Aerospace Engineering,Chongqing University,Chongqing 400044,ChinaCollege of Aerospace Engineering,Chongqing University,Chongqing 400044,China Institute of Textiles and Clothing,The Hong Kong Polytechnic University,Hongkong 100872,ChinaCollege of Aerospace Engineering,Chongqing University,Chongqing 400044,China
通用工业技术
WoodSiO_(2)Mechanical robustnessFire resistanceWater resistanceWear resistance
《Nano Materials Science》 2026 (2)
P.307-313,7
the financial support from the National Natural Science Foundation of China(No.52303082)Natural Science Foundation of Hubei Province(No.2023AFB375)Fundamental Research Funds for Central Universities of China(No.2022CDJQY-004)。
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