焊缝及附近的环向残余应力在内、外表面均为拉应力。
Hoop residual stress es in the weld vicinity are tensile in both inner and outer surfaces.
岩石破坏时最大剪应力位于0.5倍喷嘴直径的径向距离处,同时在固体介质表面边缘产生最大拉应力。
The maximum cutting stress lie of the radial distance of 0.5 double diameter nozzle, while the maximum pull stress lie in the surface edge of the rock.
在管道接头外表面焊缝中心处的轴向残余应力为压应力,而环向残余应力为拉应力。
On the outer surface of the pipe, the axial residual stresses of the weld and in its vicinity are compressive while the hoop stresses keep tensile.
其原因是磁屏表面存在较大的切向拉应力,从而在酸洗过程中产生了应力腐蚀开裂。
The presence of the greater residual tensile stress induces the stress corrosion cracking in the course of the acid pickling.
围带自锁状态下内弧表面的最大离心应力发生在外拉筋孔截面的拉筋孔靠进汽侧处;
When the blade shroud under the status of self locking, the maximum centrifugal stress of the concave will occurred on the section of outer lace hole and nearby the leading edge.
试验结果表明,沿拉削速度方向的表面残余应力为拉应力,最大残余应力在表面层下。
The research shows that residual stress in the direction of broaching rate are tensile at the surface . The maximum residual stress is beneath the surface.
当模具表面冷却时,可发生反向应力,因而表面层将处于拉应力状态。
When the de surface cools, a stress reversal may occur and the surface layers will then ben tension.
这里分析了GH761合金拉削时,速度、齿升量、拉刀前角对拉削表面残余应力的影响。
The effect of broaching rate and feed per tooth, tool orthogonal rake on residual stress of workpiece surface are analyzed by Broaching GH761 Alloy.
在混凝土表面铺设一定厚度的保温板可以有效的降低混凝土表面的拉应力,防止裂缝的产生。
Laying certain thickness heated board can reduce the concrete surface tension stress effectively to prevent crack.
在混凝土表面铺设一定厚度的保温板可以有效的降低混凝土表面的拉应力,防止裂缝的产生。
Laying certain thickness heated board can reduce the concrete surface tension stress effectively to prevent crack.
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