自响应仿生靶标力学和钝击响应特性研究  

Mechanical and blunt impact response characteristics of self-responsive bionic target

作　　者：王彤彤 熊漫漫 陈晓勇[1] 高青蛋 马雪姣 冯飞 WANG Tongtong;XIONG Manman;CHEN Xiaoyong;GAO Qingdan;MA Xuejiao;FENG Fei(School of Chemistry and Chemical Engineering,North University of China,Taiyuan,Shanxi 030051,China;National Key Laboratory of Transient Impact,Beijing 102202,China;School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing,Jiangsu 210094,China;Shanxi North Jindong Chemical Industry Company Limited,Yangquan,Shanxi 045000,China)

机构地区：[1]中北大学化学与化工学院,山西太原030051 [2]瞬态冲击全国重点实验室,北京102202 [3]南京理工大学机械工程学院,江苏南京210094 [4]山西北方晋东化工有限公司,山西阳泉045000

出　　处：《河北工业科技》2025年第2期189-196,共8页Hebei Journal of Industrial Science and Technology

基　　金：瞬态冲击全国重点实验室基金项目(6142606222106)。

摘　　要：为了实现对弹击防护装置钝击场非接触可视化传感,建立了自响应仿生靶标。以力致发光材料硫化锌铜(ZnS∶Cu)作为力敏感材料与硅橡胶复合制得自响应仿生皮肤,再与以热塑性弹性体聚合物(以下简称科腾聚合物)制备的仿生脂肪(以下简称科腾基仿生脂肪)共同构成自响应仿生靶标,对自响应仿生皮肤、科腾基仿生脂肪进行准静态力学试验,并与生物皮肤、生物脂肪的力学性能进行对比,最后进行自响应仿生靶标冲击特性研究。结果表明:在0.10 s^(-1)应变率下,设计合成的自响应仿生皮肤(ZnS∶Cu-5、ZnS∶Cu-10)的弹性模量与人体前臂皮肤弹性模量在低应变范围内分别相差5.33%、1.33%,科腾基仿生脂肪的弹性模量与生物脂肪(绵羊臀部脂肪)的弹性模量相近,偏差为5.53%,说明了“力致发光材料-硅橡胶-科腾聚合物”作为自响应仿生靶标的合理性;[JP2]该靶标在冲击载荷下表现出明显的力光响应,力光强度与冲击波峰值线性相关;冲击气压为0.3 MPa时,[JP]自响应仿生靶标能够较准确测得钝击场冲击波初到峰压,相对误差为13.7%。自响应仿生靶标在实时可视化软组织受冲击波场中具有较大的潜力,可为弹道终点测试方法提供新思路。In order to achieve non-contact visual sensing of the blunt impact field for ballistic protection devices,a self-responsive bionic target was established.Mechanoluminescence material(ZnS∶Cu),was used as the force-sensitive material and compounded with silicone rubber to prepare a responsive bionic skin.This skin was then combined with the bionic adipose prepared from Kraton polymer(hereinafter referred to as Kraton-based bionic adipose)to form the self-responsive bionic target.Quasi-static mechanical tests were carried out on the self-responsive bionic skin and Kraton-based bionic adipose,and their mechanical properties were compared with those of biological skin and biological adipose.Finally,the impact characteristics of the self-responsive bionic target were studied.The results indicate that the elastic modulus of the designed and synthesized bionic skin(ZnS∶Cu-5,ZnS∶Cu-10)at a strain rate of 0.10 s^(-1)differs from that of the skin of the human forearm by 5.33%and 1.33%respectively within the low strain region.The elastic modulus of the Kraton-based bionic adipose is close to that of the adipose tissue of the sheep′s hip region,with a deviation of 5.53%.This demonstrates the rationality of using the"mechanoluminescence material-silicone rubber-Kraton-based polymer"as the bionic target.The target exhibits a significant mechanoluminescence response under impact loading,with the luminescent intensity linearly correlated with the peak value of the shock wave.When the impact air pressure is 0.3 MPa,the relative error of the initial peak pressure of the obtained blunt impact field shock wave is 13.7%,indicating high accuracy.This shows that the self-responsive bionic target has great potential in real-time visual testing of shock wave fields experienced by soft tissues.The research provides a new idea for ballistic terminal testing methods.

关 键 词：弹性力学 自响应 靶标 相似性 力致发光 

分 类 号：O343[理学—固体力学]