Ballistic Penetration of Small-Caliber Bullet in Double-Arrow Honeycomb Core Structures with Negative Poisson’s Ratio by LIU Yangzuo, XU Cheng, MA Wuning, REN Jie, ZHANG Zhendong

Subjects: “…negative poisson’s ratio (npr)…”
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Additively manufactured biodegradable Zn metamaterials with tunable Poisson’s ratio and enhanced mechanical properties by Yixuan Shi, Jiaqi Gao, Xuan Li, Zui Tao, Chengcong Huang, Shangyan Zhao, Yuzhi Wu, Youwen Yang, Yabin Yang, Yageng Li, Lu-Ning Wang

“…Additively manufactured (AM) biodegradable porous zinc (Zn) is a promising material for bone substitutes, with negative Poisson's ratio (NPR) metamaterials offering particular advantages due to their bone-mimicking properties and energy absorption. …”
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Application of Constant Resistance and Large Deformation Anchor Cable in Soft Rock Highway Tunnel by Xiaoming Sun, Bo Zhang, Li Gan, Zhigang Tao, Chengwei Zhao

“…Taking the no. 2 inclined shaft of Muzhailing tunnel as the research object, an NPR (negative Poisson’s ratio) constant resistance and large deformation anchor cable support system based on high prestress force, constant resistance, and releasing surrounding rock pressure was proposed. …”
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Vibration and Sound Transmission Performance of Sandwich Panels with Uniform and Gradient Auxetic Double Arrowhead Honeycomb Cores by Qing Li, Deqing Yang

“…Auxetic mechanical metamaterials that exhibit a negative Poisson’s ratio (NPR) can be artificially designed to exhibit a unique range of physical and mechanical properties. …”
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