研究钢管在爆炸加载条件下绝热剪切带的作用。
The role of adiabatic shear bands within fragments of tubular steel ballistically loaded by explosive is investigated.
在弹孔周围同时发现相变带和形变带两种绝热剪切带。
Two kinds of adiabatic shear bands were found, including the deformed band and the phase-transformed band.
结果发现，该合金在两种试验条件下形成两种绝热剪切带。
Two kinds of adiabatic shear bands were found in the post-test specimens impacted by spherical bullet and Hopkinson pressure Bar.
绝热剪切带的出现和由它引起的裂纹是动态扭矩试验时的重要特征。
The existence of adiabatic shear band and the crack caused by the band are important features in dynamic torsion moment tests.
远离绝热剪切带源点的裂纹的形成主要是由平行于剪切方向的孪晶引起的。
The cracks within a propagating shear band are induced by twins paralleling to the shear direction.
随着切削速度的提高，绝热剪切带的显微组织发生了由形变带向转变带的演变。
The deformation bands change into the transformation bands in microstructure as the cutting speed increases.
对穿甲机制进行了分析，讨论了绝热剪切带的形成原因及其在冲塞穿甲中的作用。
Petforation mechanism and the formation of adiabatic shear band were discussed in relation to the explanation of plugging perforation.
当绝热剪切带的总厚度在上限时，绝热剪切带宽度-环境温度曲线是稍微上凹的；
At higher total ASB widths, the ASB width-ambient temperature curve is slightly concave-upward.
TEM观察表明绝热剪切带(asb)中心区域由30- 70纳米的等轴晶组成。
TEM observation showed that the center of the adiabatic shear band (ASB) was composed of recrystallized nano-grains (about 30-70 nm in diameter).
锯齿形切屑中存在两种形式的绝热剪切带，没有组织转变特征的形变带和组织明显细化的转变带。
There are two forms of adiabatic shear bands in the sawtooth chips, which are deformation bands with no organizational change and transformation bands with obvious organizational refinement.
考虑局部温升会引起折射率的变化，对蓝宝石体材及其内部绝热剪切带的折射率进行了理论计算。
We first take the temperature effect on the refractive index into account, the refractive index of shear band and its surrounding bulk material in shocked sapphire was quantitatively determined.
片层组织绝热剪切带与基体的界面塑性流变特征不明显，并且在该区域观察到了呈快速扩展特征的长裂纹。
Investigation indicated that plastic flow characteristic is not obvious at the interface between ASBs and matrix, which observed long crack in lamellar microstructure.
弹孔周围的绝热剪切带沿主剪应力方向形成，与静态塑性变形滑移线方向接近，绝热剪切带上不均匀的变形将产生微裂纹和微孔洞。
An adiabatic shear band formed along the main shear stress around the penetrated hole is approximately consistent with the direction of plastic deformation slip lines in static state.
弹孔周围的绝热剪切带沿主剪应力方向形成，与静态塑性变形滑移线方向接近，绝热剪切带上不均匀的变形将产生微裂纹和微孔洞。
An adiabatic shear band formed along the main shear stress around the penetrated hole is approximately consistent with the direction of plastic deformation slip lines in static state.
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