However, sometimes we can take advantage of plastic deformation. The crumple zones in a car absorb energy by undergoing plastic deformation before they break.
然而，有时我们也能利用塑性变形。汽车上压皱的区域在它们断裂前通过经历塑性变形来吸收能量。
Rotary forging is a new technology in plastic process. It is a non-symmetrical and continuous plastic deformation.
摆动辗压是一种新兴的塑性加工工艺，属于非对称连续塑性变形。
The hardening characteristic of plastic deformation is also discussed, which is useful to bend the steel tubes of awning on worksite.
利用金属材料弯曲变形时的塑变硬化特性来弯曲矩形管，较好地解决了雨阳棚骨架现场弯曲加工的问题。
The analysis indicates that cold plastic deformation results in crystal lattice defects, which facilitates the absorption and diffusion of boron atoms.
分析认为，冷塑性变形可使位错等缺陷增加，有利于硼原子的吸收与扩散。
The theory of liquid metal die forging is the understanding of the process which combines solidification under high pressure with forced feeding by plastic deformation.
液态模锻理论是对高压下结晶凝固和塑性变形下强制补缩复合过程的认识。
Residual compression ACTS on the plastic deformation layer.
残余压应力作用在塑性变形层内。
The plastic deformation of the sheets can be analyzed by SEM images.
从变形后的扫描图像可以分析钢板的塑性变形行为。
It is assumed that plastic deformation stems from the localization of shear strain.
岩样的塑性变形假设根源于塑性应变局部化。
In many plastic deformation cases the velocity field is rather easily solved by analytical method.
在许多塑性变形情况下，速度场比较容易用解析法获得。
The thermal activation parameters of metals and alloys in the plastic deformation process are studied.
本文研究了金属和合金塑性变形过程的热激活参量。
The plastic deformation could promote matrix T1 precipitation and make it refined and uniformly distributed.
预变形促进基体t1相析出，并使其显著细化和均匀分布。
It was shown that plastic deformation was mainly undergone in ferrite, and pearlite colony could also deform.
结果表明，塑性变形主要集中在铁素体中，珠光体团也可发生塑性变形。
The intensity of stress wave can be greatly decreased because of lower wave impedance and plastic deformation.
由于多孔材料冲击波阻抗很低，能够大大地削减应力波的强度。
The soft rock is a complex rock mechanics medium, which has salience plastic deformation in special environment.
软岩是一种特定环境下的具有显著塑性变形的复杂岩石力学介质。
Work rolls used in cold rolling mills must have outstanding wear resistance and very little plastic deformation.
冷轧轧机上的工作辊必须有很高的耐磨性和较低的塑性。
The conceptions and testing methods of the plastic deformation threshold and springback potential are introduced.
介绍了型砂塑性变形临界值、回弹势能的概念及其测试方法；
However, the compression strength and plastic deformation ability decreased when the volume fraction exceeded 60%.
钨丝体积分数超过60%以后，压缩强度与塑性变形能力反而下降。
Shot Peening(SP)is a typical severe plastic deformation method to produce ultra-fine grains of metallic materials.
高能气动喷丸是通过剧烈塑性变形产生细晶材料的方法之一。
As shown in Fig. 4.2, grain flow is the direction of the pattern that the crystals take during plastic deformation.
如图4.2所示，晶粒流动的方向就是在塑性变形期间结晶排列的方向。
Design principle of Obturation mechanism in high pressure is to avoid structural component from plastic deformation.
高膛压闭气机构的设计原则是避免构件发生塑性变形。
Off-line forecast shows that fuzzy neural network has high precision in predicting metal plastic deformation resistance.
离线预报表明：模糊神经网络预报金属塑性变形抗力有较高的精度。
Cracks form in the regions, where shear deformation is larger, after the plastic deformation accumulates to some degree.
裂纹于塑性变形积累到一定程度之后，在切变变形较大的区域表面形成。
Experiment of plastic deformation is done on press and double heat preservation measure is used during plastic deformation.
焊接接头的塑性变形试验在油压机上进行，变形过程中采用了双保温措施。
Forging is the process by which metal is heated and is shaped by plastic deformation by suitably applying compressive force.
在锻造过程中先将金属加热，然后施加合适的压力使其塑性变形。
Forging mechanism is very complicated, and numerical simulation is the most effective method for plastic deformation analysis.
锻造成形机理非常复杂，数值模拟是目前塑性成形分析最有效的方法。
And with the increase of the plastic deformation, the inclined direction of the deformation bands takes place a symmetry change.
实验还观察到随着塑性变形量的增加，变形带的倾斜方向会发生对称迁移现象。
Both shot peening and contact rolling belong to the cyclic elastic-plastic deformation process under the action of Hertz stress.
喷丸过程和随后的接触疲劳滚压过程同属在赫兹应力作用下的循环弹塑性应变过程。
Under constant load, the plastic deformation increased when the tendon under went a prolonged stretch or under warmer temperature.
在恒定载荷下，随持续拉伸时间延长或温度升高，肌腱的塑性变形明显增加。
The plastic deformation propagation speeds of steels are determined by using photo-elastic coating and high speed photography method.
本文引入金属塑性变形传播概念，利用光弹法测定了两种钢的塑性变形传播速度。
The plastic deformation propagation speeds of steels are determined by using photo-elastic coating and high speed photography method.
本文引入金属塑性变形传播概念，利用光弹法测定了两种钢的塑性变形传播速度。
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