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杆杆
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  bar bar
     The tensile mechanical behaviors of 1 6Si 1 58Mn 0 19C TRIP steels under high strain rate were studied with a self designed pneumatically actuating tensile impact bar bar tester,and compared to the quasi static tensile behavior.
     在自制气动式间接杆杆型冲击拉伸试验机上对含 1 6Si 1 5 8Mn 0 1 95C的TRIP (Transformation inducedPlasticity)钢在不同应变率下的高速冲击拉伸性能进行了研究 ,并和静态拉伸性能进行了比较。
短句来源
     The experiments on Kevlar49 fibre bundles under quasi static tension and tensile impact were performed in MTS810 and Bar Bar Tensile Impact Apparatus, respectively. The stress strain curves of Kevlar49 fibre bundles were obtained at strain rates ranging from 10 -4 /s to 10 3/s.
     利用MTS810材料试验机及旋转盘式杆杆型冲击拉伸试验装置对Kevlar49纤维束进行了准静态拉伸及冲击拉伸实验研究,首次在应变率为10-4/s~103/s范围内得到了Kevlar49纤维束完整的应力应变曲线。
短句来源
     In this paper,using our design of bar bar tensile impact apparatus,we performed an experimental study of ARALL and ARALL(prestress)in the strain rate range from 200s -1 to 1300s -1 .The complete stress strain curves of composite under tensile impact was obtained.
     利用自行研制的旋转盘式间接杆杆型冲击拉伸试验装置对ARALL材料以及施加预应力的ARALL材料进行了3个应变率(200、500、1300s-1)的冲击拉伸试验,得到了两种材料在不同应变率下的完整的应力应变曲线。
短句来源
     Two Dimensional Axisymmetric Analysis of Bar Bar Tensile Impact Testing Apparatus by Elastoplastic FEM
     杆杆型冲击拉伸试验装置的二维轴对称弹塑性有限元分析
短句来源
     Tensile impact test of a unidirectional Kevlar 49/phenolic composite(KFRP)were carried out in a Bar Bar Tensile Impact Apparatus. Three high strain rates 150s 1 ,400s -1 and 1500s -1 were used in the experiments; complete stress strain relations have been obtained respectively.
     在旋转盘式杆杆型冲击拉伸试验装置上 ,对单向Kevlar 49纤维增强酚醛树脂复合材料(KFRP)进行了冲击拉伸试验 ,得到了应变率为 15 0 ,40 0和 15 0 0s-1下的单向KFRP的完整拉伸应力应变曲线 ;
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  bar-bar
     The Design of Air Gun Tensile Impact System of Bar-bar Method and Experimental Research
     气枪式杆杆型冲击拉伸实验装置的设计与试验研究
短句来源
     Deformation Flow and Pressure During Bar-Bar Combined Extrusion
     杆杆型复合挤压时的变形流动和单位压力
短句来源
     The Proof of One-Dimensional Experimental Principle for Bar-Bar Tensile Impact Apparatus
     杆杆型冲击拉伸试验装置一维试验原理有效性的论证
短句来源
     The tensile mechanical properties of two industrial TRIP steels, K(0.091%C-1.456%Si-1.061%Mn) and B(0.134%C-1.525%Si-1.226%Mn), at high strain rate were investigated with a self-designed pneumatically actuating tensile impact bar-bar tester and compared to the quasistatic tensile behavior.
     在气动式间接杆杆型冲击拉伸实验机上对工业生产的两种低碳Si-Mn系TRIP钢不同应变率下的高速冲击拉伸性能进行了研究,并和静态拉伸性能进行了比较.
短句来源
     The dynamic tensile test was carried out on both DP and TRIP steel samples with strain rates in the range of 10~2~10~3 s~(-1). A pneumatic indirect bar-bar tensile impact tester was employed in the present work.
     采用气动式间接杆杆型冲击拉伸试验装置对TRIP钢和DP钢在102~103s-1应变率范围的动态拉伸变形行为进行了研究.
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  “杆杆”译为未确定词的双语例句
     Split Hopkinson pressure bar(SHPB) with a wedge and its holder appended to the end of its incident bar is used to get high loading rate split forces;
     在分离式霍普金森压杆(Split Hopkinson Pres-sure Bar—SHPB)的入射杆杆端附加劈尖及其基座,实现对试样施加高速率的劈裂载荷;
短句来源
     The vaginal ruler was made of plexi_glass stick with 150mm long and 13mm in diameter . The ruler was marked every 5mm with a 0.5mm diameter lead_wire.
     [方法]阴道尺采用有机玻璃杆 ,杆长150mm ,外径13mm ,每间隔5mm用直径0.5mm铅丝标志刻度。
短句来源
     In VisualBasic6.0 language environment, these data files are read. Driving rod length isobtained according to inverse solution equation. Under the role of geometricalrestrictions, every drive rod is elongated prescriptive numerical value with theobject of SolidWorks2000.The motion simulation of the machine tool ofparallel is realized .
     将Cimatron生成的NC代码经格式变换模块、插补模块、坐标变换模块后转化为机床坐标系下坐标点的数据文件,以Solidworks2000为仿真平台,在Visual Basic6.0语言环境里,读取这些坐标点的数据文件,通过反解方程得到驱动杆杆长,在几何约束作用下,调用SolidWorks2000的对象把各个驱动杆伸长到规定的值,实现了并联机床的运动仿真。
短句来源
     In order to obtain dynamic fracture toughness of rock under high loading rates and to analyze the rate effect,an experimental procedure using edge-notched disc specimen was presented. Split Hopkinson Pressure Bar(SHPB) with a wedge and its holder appended to the end of the incident bar was used to exert dynamic split force at the edge notch of the specimen.
     为了获得岩石在高加载速率作用下的动态断裂韧度值并分析加载速率的影响,由分离式霍普金森压杆入射杆杆端附加劈尖及其基座对边切槽圆盘试样施加动态劈裂载荷。
短句来源
     The effects of length error of driving poles, structure size change and posture change on the accuracy of robot are studied by simulations,which provided a foundation for practical error compensation and control of the mechanism.
     通过计算机仿真研究了机器人的驱动杆杆长误差、结构尺寸变化和位姿变化对机器人精度的影响,为该机器人机构的实际误差补偿与控制提供了理论依据。
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  bar-bar
A complete three-dimensional finite element analysis of the bar-bar tensile impact apparatus
      
A complete three-dimensional FEM model of the Bar-Bar Tensile Impact Apparatus (BTIA) is constructed, in which the slots in the bars and the glue layers between the bars and the flat-shaped specimen are included.
      
In this paper, using our own design of bar-bar tensile impact apparatus with a high speed rotating disk, we have performed an experimental study of Al alloys with SiC particles (V0=10%) in the strain-rate range from 100 s-1 to 1000 s-1.
      
An elevated temperature tensile impact experimental technique has been developed, using the rotating disk indirect bar-bar tensile impact apparatus with elevated temperature furnaces.
      


Formulas for stiffness matrix and mass matrix of elementary thin-walled box member with distorted multicelled section for finite element method (1) are developed by the authors, who aim at getting a system of versatile, compact mathematic-ally and quite accurate formulas on this topic. In order to make sure of the reliability of the beforementioned formulas,analytical method (2) and energy method (3) are developed simultaneously. Thenumerical results of computation with methods 1, 2, 3 are in satisfactory agreement....

Formulas for stiffness matrix and mass matrix of elementary thin-walled box member with distorted multicelled section for finite element method (1) are developed by the authors, who aim at getting a system of versatile, compact mathematic-ally and quite accurate formulas on this topic. In order to make sure of the reliability of the beforementioned formulas,analytical method (2) and energy method (3) are developed simultaneously. Thenumerical results of computation with methods 1, 2, 3 are in satisfactory agreement.

本文以箱形断面的薄壁杆杆段为单元,建立了直杆单元的刚度矩阵和单元质量矩阵,对两个例子进行了数字计算,同时也建立了能量法求固有频率的算式,检验了有限元法的结果。此外还演引了固有振动的微分方程组并求得解,解析法的结果也验证了有限元法的计算公式。

Cracks may occur in the centre of the remainder of a billet during bar- bar combined extrusion if the original height or the remaining height of the billet is short.In this paper,the upper bound method is used to determine the conditions for the formation of central cracking by establishing a kinem- atically admissible velocity field with crack defects and utilizing the minim- um energy principle.The experimental results showed that the increase of de- formation will cause the critical relative thickness of...

Cracks may occur in the centre of the remainder of a billet during bar- bar combined extrusion if the original height or the remaining height of the billet is short.In this paper,the upper bound method is used to determine the conditions for the formation of central cracking by establishing a kinem- atically admissible velocity field with crack defects and utilizing the minim- um energy principle.The experimental results showed that the increase of de- formation will cause the critical relative thickness of a billet to dcrease,and that the theoretical analysis is in good agreement with the experimental resu- lts.

杆杆型复合挤压时,如果坯料原始高度不大或剩余高度较小,则可能在剩余坯料的中部出现开裂。本文利用上限法,通过建立带中部开裂缺陷的运动学容许速度场,并利用最小能量原理,确定了中部开裂的产生条件。变形程度增加,可以使得这种缺陷产生的临界相对余厚减小。实验表明,理论结果与实验结果相当一致。

A series of tensile experiments with the testing strain rate ranging from 10-4 to 102 S-1 , wore performed for glass fibre, kevlar-49 and carbon fibre bundles by DT-5000 Material Testing Machine and a self-designed Pendulum Tensile Impact Set-up. It was the first time to obtain the stress-strain curves of above materials at high strain rates. The results show that for glassfibre the strength, fracture strain and critical strain energy density are very sensitive to strain rate, and the elastic modulus increases...

A series of tensile experiments with the testing strain rate ranging from 10-4 to 102 S-1 , wore performed for glass fibre, kevlar-49 and carbon fibre bundles by DT-5000 Material Testing Machine and a self-designed Pendulum Tensile Impact Set-up. It was the first time to obtain the stress-strain curves of above materials at high strain rates. The results show that for glassfibre the strength, fracture strain and critical strain energy density are very sensitive to strain rate, and the elastic modulus increases with the rising of the rate. For the kevlar-49 fibre, the strain rate sensitivity is reduced; And for the carbon fibre, however, the mechanical properties are independent of the strain rate.fibre bundle, dynamical behavior, tensile impact

本文所述实验采用岛津DT-5000型万能实验机和自行研制的摆锤式杆-杆型冲击拉伸试验装置对玻璃纤维,Kevlar49及碳纤维束做了应变率从10~(-4)到 10~2 s~(-1)量级之间的冲击拉伸实验。首次得到纤维束在高应变率下的拉伸应力应变曲线。结果表明:玻璃纤维的强度,极限应变以及临界应变能密度对应变率非常敏感,弹性模量也随应变率的升高而增加。Kevlar49纤维对应变率不太敏感,而碳纤维的性能则对应变率不敏感。

 
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