hopkinson相关论文
霍普金森杆已经广泛地应用于材料的动态力学性能测试上，对于材料的高温动态耦合力学性能测试，在霍普金森压杆上通过采用单独加热试样......
利用有限元程序MSC/MARC对分离式Hopkinson压杆系统(SHPB)和直接撞击Hopkinson压杆系统(DIHPB)进行了数值模拟研究,得到了有意义的......
材料在动载特别是在高应变率载荷作用下的性质,和静载下是很不相同的,这一点已为人们所公认。von Karman等在40年代所建立的塑性......
材料动态力学性能的研究是材料研究的新领域,已引起力学工作者的高度重视。最近国内也已开始研究这方面的课题。我们改进设计了一......
中国科学院力学研究所白以龙研究员及其课题组在科学基金资助下,研究了热塑剪切带及其对韧性断裂的影响,研究了冲击损伤累积演化......
The dynamic compressive behavior and constitutive relations of Lanthanum(La) metal was determined by using the first com......
一般认为,貧鉻区的存在是18-8钢产生晶间腐蝕的起因。在上一篇报告中,我們的結果也表明,虽然在某些情况下,其他一些因素也可以造......
Influence of Magnetic Field Intensity on the Shape of the μ-T Curves for Fe_(73.5) Cu_1Nb_3Si_(13.5)
Under different magnetic field intensities, the dependence of the permeability μ on temperature T(μ-T curve) for the F......
AN EXPERIMENTAL-NUMERICAL METHOD FOR MEASURING CRACK PROPAGATING VELOCITIES UNDER STRESS WAVE LOADIN
An experimental-numerical method for measuring dynamic crack propagating velocities under stress wave loading is establi......
Effects of the strain rate on cement paste, mortar and concrete were studied. A modified SHPB testing technique with fl ......
Influence of Specimen Size on Compression Behavior of Cement Paste and Mortar under High Strain Rate
Static and dynamic compression tests were carried out on mortar and paste specimens of three sizes(Ф68 mm×32 mm,Ф59 m......
A new type of green reactive powder concrete (GRPC) with compressive strength of 200 MPa is prepared by utilizing compos......
运用动态有限元方法,对应力波在锥形应力波放大器中传播特性进行了二维数值分析,对影响透射波放大系数和波形的几何因素、输入脉冲......
本文介绍用分离式Hopkinson压杆(SHPB)试验装置测量和分析某构件的动态力学性能.文中指出,这个方法也同样造用于其它类似工程结构......
A high-g beam-mass structure accelerometer was designed.In this structure,by means of KOH back etching on the mass,V-gro......
详细介绍了一种检测自制高g值加速度传感器的技术。利用Hopkinson杆装置进行检测,对检测数据包括电压U与g值进行线性拟合,根据拟合......
利用Hopkinson杆技术对经930℃下退火2h的纯铁药型罩材料进行了冲击压缩实验,测定了该材料在不同应变率下的动态应力-应变关系.借......
Dynamic damage and stress-strain relations of ultra-high performance cementitious composites subject
Ultra-high performance cementitious composites (UHPCC) were prepared by replacing 60% of cement with ultra-fine industri......
The behavior of resistance high-g impact of EMC (epoxy molding compound) with two package models, small outline package ......
The split Hopkinson pressure bar (SHPB) testing with diameter 40 mm was used to investigate the dynamic mechanical prope......
通过在开孔泡沫铝中填充聚氨酯得到了聚氨酯泡沫铝,利用Hopkinson杆对泡沫铝与泡沫聚氨酯组成的三维连续网络增强复合材料进行了在......
The uniaxial compressive response of steel-polypropylene hybrid fiber reinforced concrete(HFRC) and steel fiber-reinforc......
Analysis of Adiabatic Shearing Failure Mechanism for Aluminum Matrix Composites Based on Experimenta
Adiabatic shear behavior and the corresponding mechanism of TiB2/Al composites were researched by split Hopkinson pressu......
基于自行研制的适用于100 mm分离式霍普金森压杆(split Hopkinson pressure bar,SHPB)装置的高温试验设备,采用相应高温试验技术......
六十年代末Tashian等人发现非特异性的羧酸酯酶A、B、C、后1973年Hopkinson等人利用淀粉凝胶电泳发现了1种具有多态性的酯酯D(Est......
1964年Spencer, Hopkinson及Harris在用淀粉凝胶电泳对人类红细胞内酶类的研究中首次检测出由PGM_11位点上的两个常见等位基因(PG......
叠层连接材料由于其不同层的材料差异使得层间作用力具有不确定性。该文针对叠层连接材料的特点,在复合材料损伤破坏模型基础上,根......
In order to investigate the damage characteristic of ceramic-metal interpenetrating phase composite(IPC) under dynamic l......
针对摩擦力效应产生的机理,本文设计了三种不同尺寸的试件进行SHPB实验,得到了摩擦力效应对实验的定量影响,在此基础上对混凝土的D......
Strain-rate sensitivities of 55vol%-65vol% aluminum 2024-T6/TiB2 composites and the corresponding aluminum 2024-T6 matri......
The impact behaviour of three types of reactive powder concretes(RPC) was studied using the split Hopkinson press bar(SH......
为研究干燥和饱和状态下混凝土的应力-应变关系,利用MTS试验机和大口径分离式Hopkinson压杆(SHPB)装置进行了一系列的动静态的混凝......
By taking the frozen soil as a particle-reinforced composite material which consists of clay soil(i.e., the matrix) and ......
基于分离式Hopkinson压杆系统提出一套Hopkinson束杆装置,研究水泥砂浆节理面在压剪复合加载下的动态界面滑移特性。应用三根小杆......
本文利用Hopkinson压杆实验装置,对M739引信用支筒的动态屈曲性能进行了实验研究,首次测出壳体屈曲时的临界载荷及屈曲时间,同时发......
自由式Hopkinson杆是一种主要的高g值加载设备,已经被广泛应用于高g值加速度计校准和其它高冲击环境中。介绍了自由式Hopkinson杆......
In ballistic penetration,a main failure mode for a projectile is adiabatic shear localization which results in macro cra......
红细胞酯酶D(EsD)同工酶,最初由Hopkinson等人于1973年用淀粉凝胶电泳方法发现,并描述为3种常见的表现型(即1-1型,2-1型和2-2型),......
Effects of the grain size distribution on the temperature-dependent magnetic susceptibility of magne
Magnetite is an important magnetic remanence carrier in natural samples and therefore is of great interest in paleo-, ro......
在分离式Hopkinson压杆(SHPB)上做了铜基粉末冶金摩擦材料在102s-1～103s-1应变率范围内的冲击试验,弹速范围为4m/s～15m/s,在透射杆上......
Split Hopkinson pressure bar (SHPB) technique is used to determine the dynamic strength of reactive powder concretes (RP......
Relationship between diameter of split Hopkinson pressure bar and minimum loading rate under rock fa
In order to investigate the relationship between bar diameter and loading rate of the split Hopkinson pressure bar(SHPB)......
采用自制的Hopkinson拉杆装置，研究了微量硼对形变Ti—47Al—2Mn—2Nb合金在20—1000S－1应变速率范围内的拉伸性能的影响；发现添加1．0％B......
在石油完井作业中，固井水泥环受射孔弹聚能射流作用，局部会产生破裂现象．为了减轻射孔对水泥环的破坏，改善界面的密封胶结性能．本文利用......
据Engineering Fracture Mechanics Vol26 №4 P619—623 1987报道:最近试图测定在承受高载荷速率下,延性材料的断裂韧性。已设计......
