这主要与激光焊接线能量小，塑性变形区窄有关。
The main reason is that the speed of laser welding is very fast and the plastic zone is considerably narrow.
整个焊接板由弹性变形区、压缩塑性变形区、拉伸塑性变形区和熔池组成。
Whole weldment includes practically elastic deformation zone, compressive plastic deformation zone, tensile plastic deformation zone and melting pool.
模底接触区与自由变形区交界处的大塑性变形区依次处于板料曲面内双向伸长变形和平面应变状态；
The zone between the region contacted with bottom of the mould and the free forming region shows stretch forming and then transferred to plane strain state.
本试验首次采用再结晶显示金属内塑性变形区的方法观察分析了焊接接头中冷裂纹产生的塑性变形区域。
In this investigation recrystallization in metals was first used to study the plastically - deformed zone induced by cold cracking in welds.
通过网格实验研究了等截面侧向挤压过程中材料的变形情况，结果表明塑性变形区仅位于模具通道拐点连线附近。
The deformation pattern of ECSLE was investigated with grid experiment. The experiment result shows that the plastic deformation zone is a linear area between the two corners of die channel.
在拉应力作用下，塑性变形集中在铁素体区。
Plastic deformation concentrates at the ferrite area under the tensile stress es.
在拉应力作用下，塑性变形集中在铁素体区。
Plastic deformation concentrates at the ferrite area under the tensile stresses.
切削过程中金属层流过剪切区发生塑性变形后形成切屑。
During metal cutting, the metal plastic deformation occurred on shearing plane zone.
用比拟的方法分析和计算了爆炸焊接条件下，爆炸复合材料结合区中塑性变形金属的动态屈服强度值。
This paper analysed and calculated the dynamic yielding strength of plastic deformed metal in the bonding zone of explosive welding composite material in the condition of explosive welding.
界面近区基体金属发生了剧烈的多种形式的塑性变形，变形主要集中于波前漩涡附近。
Intense and manifold plastic deformation occurs in parent metal near interface zone, and deformation mostly fastens on eddy in front of wave.
由此可以给出超塑性变形时应变和应变速率区的限度，有益于指导实际的超塑性成型。
From this, the Limit of strain rate and strain of superplasticity can be given, and this is useful for practice of deformation with superplasticity.
机械热影响区存在部分动态再结晶和较明显的塑性变形晶粒。
There exist a partly thermodynamic recrystallization, and superplastic grains appear in the thermo-mechanical affected zone.
在板带递送机辊缝变形区中，板带表面容易发生塑性变形。
Plastic deformation is easy to occur on the surfaces of plate and strip in the roll gap of pinch mill.
由此，提出了A区带动力层序由前陆挠曲变形体系域(FST)和前陆塑性变形体系域(VST)组成。
It follows that the dynamic sequences in Zone a are made up of the flexural deformation systems tract (FST) and viscoelastic deformation systems tract (VST).
有重叠区的多点分段成形可减缓强制变形区与过渡区交界处的曲率突变现象，但未完全消除剧烈的塑性变形。
The sectional forming method with overlapping area can restrict the variety of curvature, but the drastic distortion is not removed.
结果表明：磨削损伤的主要形式有显微塑性变形磨痕、断裂剥落坑、磨削微裂纹和材料疏松区的塌坑；
It is showed that:(1)the major surface damage patterns due to grinding are microplastic deformation trace, fracture chipping pit, microcracks, and subsidence in the loosen region of material;
利用后处理程序分析了铆钉塑性变形的应力、应变的变化规律，单项最大应力区和单项最大应变区的分布特点。
The postprocessor analyze the distributing characteristic and the changing orders of stresses and strains, as well as maximal stress fields and maximal strain fields.
给出了塑性区中平均体积应变及弹、塑性变形体积的计算公式和剪胀角的测试方法。
The expressions of elastic deforming volume and plastic deforming volume in the plastic zone were presented together with the average plastic volumetric strain.
给出了塑性区中平均体积应变及弹、塑性变形体积的计算公式和剪胀角的测试方法。
The expressions of elastic deforming volume and plastic deforming volume in the plastic zone were presented together with the average plastic volumetric strain.
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