v notch 型槽 ; V型缺口 ; V型切口
V-notch V形缺口 ; V形切口
Charpy V notch test 夏氏V形冲击试验 ; 夏普V形缺口试验
Charpy V-notch toughness 夏比V型缺口冲击韧性
charpy-V notch energy 夏比V形缺口韧性值
V-notch weir 三角堰
Charpy V-notch curve 夏比V形缺口曲线
spiral v-notch 螺旋切槽
charpy-V notch impact test 夏比V形缺口冲击试验
V notch energy 夏比V形缺口韧性值
The problem of elastoplastic stress singularity near the tip of V notch is studied.
研究了V型切口尖端的弹塑性应力奇异性问题。
The effects of thickness and notch orientation on the toughness of X70 pipeline steel samples with V notch were investigated experimentally by use of the 3-point bending test at different temperature.
通过不同温度条件下不同厚度、不同缺口取向含V形缺口试样进行3点弯曲试验研究，发现X70管线钢具有严重的各向异性现象，其在平行钢板表面方向和沿钢板厚度方向力学性能差异较大。
V-shaped notch blasting is that cutting slots with certain depth along axis -direction of the hole is determined according to the blast-crazing, and then load uncoupled charge and detonation.
形刻槽爆破是指在炮孔孔壁上按爆破开裂方向，切出一定深度的轴向对称V形槽，采用不耦合装药结构进行的一种断裂控制爆破。
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