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pendulum hammer
相关语句
  摆式重锤
     The stress pulse was generated by the impact of a pendulum hammer.
     应力波由摆式重锤的冲击所产生。
短句来源
  相似匹配句对
     pendulum, and D.
     pendulum和大苞鞘石斛D.
短句来源
     pendulum.
     pendulnm。
短句来源
     The stress pulse was generated by the impact of a pendulum hammer.
     应力波由摆式重锤的冲击所产生。
短句来源
     The similarity principle of hammer offset pendulum in a crusher and its application
     锤式破碎机锤头偏摆的相似性原理及应用
短句来源
     THE RESEARCH OF HAMMER MILL
     锤式粉碎机的研究
短句来源
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  pendulum hammer
A specially designed device together with a pendulum hammer and electronic measuring system was used enabling testing of the opening mode fracture toughness at loading rates up to K1= 3 x 106 MPa√m per second.
      
MS-D.7 determination of pointing hardness by pendulum hammer
      
TNO Building and Construction Research (TNO-IBBC up to 1991) modified the Schmidt pendulum hammer P for plaster and aerated concrete.
      
The stress pulse was generated by the impact of a pendulum hammer.
      


The principal stress distribution on a section of a palyester model of asemi-infinite plate during the propagation of a stress wave has been determined experimentally. The stress pulse was generated by the impact of a pendulum hammer. Two external suitable trigger mechanism was used to trigger a double-pulse Ruby Laser (0.5 Joule per pulse) at predetermined intervals. One surface of the model was made fully reflecting so that by means of refective holo-interferometry of that surface and reflective photoelasticity...

The principal stress distribution on a section of a palyester model of asemi-infinite plate during the propagation of a stress wave has been determined experimentally. The stress pulse was generated by the impact of a pendulum hammer. Two external suitable trigger mechanism was used to trigger a double-pulse Ruby Laser (0.5 Joule per pulse) at predetermined intervals. One surface of the model was made fully reflecting so that by means of refective holo-interferometry of that surface and reflective photoelasticity through the other surface of the model the isopachic and isochromatic fringe patterns were recorded at different time delays after impact.

在应力波传播过程中,半无限平面的聚酯模型在一个截面上的主应力分布解被实验所确定。应力波由摆式重锤的冲击所产生。应用两个外部适当的触发装置触发一个双脉冲红宝石激光器(0.5焦耳/每脉冲)。模型的一个表面做成全反射面,利用对这个表面的反射式全息干涉法和通过模型的另一表面的反射式光弹性法可以记录冲击后不同时间延迟的等和线与等差线条纹图。

This paper presents a solution to the problem of the displacement and strain fields in a semi-finite plate with two half-circular hole during the propagation of stress wave. The solution was realized experimentally by means of Moire interferometry method using a double-pulse Ruby Laser. The load of impact was applied by a pendulum hammer. Two suitable external trigger mechanisms were used to fire the Ruby Laser at predetermined intervals. The Moire interferometry patterns of the U and V displacement fields...

This paper presents a solution to the problem of the displacement and strain fields in a semi-finite plate with two half-circular hole during the propagation of stress wave. The solution was realized experimentally by means of Moire interferometry method using a double-pulse Ruby Laser. The load of impact was applied by a pendulum hammer. Two suitable external trigger mechanisms were used to fire the Ruby Laser at predetermined intervals. The Moire interferometry patterns of the U and V displacement fields were recorded on a holographic film at different time delays after impact.

本文提出,对于具有双半圆孔的半有限平面模型,在应力波传播过程中,关于位移场和应变场的解答,该解答是用实验方法来实现,应用双脉冲红宝石激光器和使用云纹干涉。冲击载荷是用摆锤施加的,用两个适当的外部触发机构,在预先确定的时间间隔里触发红宝石激光器,冲击后,对应不同的时间延时,在一张全息胶片上记录下“和”位移场的云纹干涉图。

In the impact test,the relation between impact absorption work and impact speed of the same sample is mistaken frequntly.In this paper,by using pendulum hammers of different mass in test,the relation is reverled by means of experiment and theory.

冲击试验中同样试样中的冲击吸收功与冲击速率之间的关系在许多人的认识中存在着误解,本文通过在冲击试验中使用不同质量的摆锤,从实验和理论上揭示了上述两者之间的关系。

 
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