合金的形状回复率随着预变形量的增加而减小。
The shape recovery decreases with the increasing of predeformation amount.
未预变形az61镁合金不宜进行半固态制坯。
Original AZ61 magnesium alloy does not fit to the requirements of semi-solid forming.
预变形促进基体t1相析出，并使其显著细化和均匀分布。
The plastic deformation could promote matrix T1 precipitation and make it refined and uniformly distributed.
预变形时的变形量对模拟高温搪烧后钢板的力学性能也会产生影响。
The reduction of predeformation can also affect the mechanical properties of the steel sheet after the simulation test.
结果表明，采用20%预变形和适当的时效处理，其强化效果最好。
It is shown that 20% deformation is best to satisfy the requirements of good dispersion strengthening.
当预变形量相同时，含0.12%碳的合金的形状记忆效应低于超低碳合金。
The shape memory effect of the alloy with 0.12% carbon was lower than the alloy with ultra-low carbon.
锌铝共析合金具有良好的超塑性，但通常需要经过预变形(轧制或锻压)来得到。
Usually, excellent Superplasticity of Zn-Al eutectoid alloy could be obtained by pre-deformation (rolling or forging).
在此着重介绍了弹性反变形法，一种兼有刚性固定法和塑性反变形法特点的预变形法。
In this article, it emphatically introduces the method of elasticity anti-distortion, which contains the characteristics of the method of rigidity immobility and the method of anti-distortion.
冷却速率越大或预变形处理以后的试样在熔化过程中更容易发生二次枝晶臂之间的合并。
The more the increase of cooling rate or pre-deformation, the more the secondary dendrite arms are easy to coarsen.
根据FNR类多层股不旋转钢丝绳的生产要求，对卧式可调式预变形器进行结构和工艺设计。
To introduce structure and process design of horizontal adjustable predeformation apparatus according to production require of FNR series multilayer stands non rotation ropes.
同时，将计算得到的平叉结构变形量作为焊接预变形量应用于实际工艺中，生产出了合格产品。
Meanwhile, the calculated deformation of the rear fork structure was applied as the welding pre-deformation to the actual production process, in which qualified products were produced.
结果表明：增加冷却速率、预变形处理和晶粒细化有利于初始凝固组织中存在的非平衡组织的分散细化。
The results show that, increasing cooling rate, pre-deformation and grain refinement are useful for spreading of the non-equilibrium microstructure around the primary grains.
结果表明，预变形可以提高合金的峰值硬度，合金峰值硬度的增加来自于S相数目的增加和尺寸的减小；
The results show that the peak hardness of pre-deformation sample is increased because of quantity increase and refinement of S phase.
本文提出预变形模具设计方法，它把模孔形状预先设计成与型材挤压时变形相反的方向，从而获得合格的挤压型材。
In this paper the predeformed designing method has been proposed, according to it, die holes should be predeformed with the direction opposite to that which tend to happen during extrusion practices.
利用有限元方法对预变形法减小焊接变形进行了模拟，给出了确定预变形大小的方法，并对最终的焊接变形进行预测。
The predeformation process to decrease welding deformation is simulated by FEM and the method to determine predeformation value is given. The final deformation after welding is predicted.
研究了AZ61镁合金在应力诱发熔体激活法(SIMA)制备半固态坯料过程中预变形量、等温温度和保温时间对其组织的影响。
The microstructure of AZ61 magnesium alloy by strain-induced melt activation (SIMA) process was studied to reveal the effects of prior compressive deformation, isothermal temperature and holding time.
通过力学性能测试，扫描电镜、透射电镜观察等手段，研究了固溶淬火后不同程度预变形对2197铝锂合金力学性能及显微组织的影响。
The effects of plastic deformation prior to artificial aging on the microstructure and tensile properties of 2197 Al-Li alloy were investigated through tensile test, SEM and TEM.
研究表明在膜结构的找形阶段应适当地加大结构的初始预张力，以减小由于支座变形所造成的预应力损失。
It is found that the prestress should be increased to reduce the loss of prestress with the deformation of the support.
同时，论文还分别分析了围护桩墙刚度、支撑刚度、支撑预加轴力以及被动区土弹簧刚度对围护结构内力和变形的影响。
And the effects of the retaining wall stiffness, strut stiffness, perforce and soil spring stiffness on the internal force and deformation of the retaining structures.
通过拉伸试验，分析了预拉伸变形对X60管线钢拉伸性能的影响。
The influence of per-tension deformation to the tensional function of X60 pipeline steel is investigated by tension experiment.
合理地确定预拉伸变形量才能合理的利用材料。
In order to make Use of the material rationally, the pre-tension deformation should be reasonably decided.
行使预埋在结构层中的排水管孔作为变形预设缝，防止裂缝开展。
The use of pre buried in the structural layer of the drainage pipe hole as a deformation of the default seam to prevent the development of cracks.
用扫描电镜（SEM）分析了X60管线钢在未变形和10%的预拉伸变形后循环载荷下的裂纹断口形貌。
The crack fractographs of X60 pipeline steel after 10% per-tension deformation under cyclic loading are investigated by the SEM.
介绍了变形预补偿的原理，以汽车风扇为例，成功地降低了汽车风扇的收缩变形和翘曲变形，为解决制品变形问题提供了一条新的思路。
The principle of precompensation for deformation was presented, which was applied to the shaping of an automobile fan and effectively helped lower the shrinkage deformation and warpage of the product.
增大支撑预加轴力可以有效的控制连续墙的变形，减小墙身负弯矩。
Increasing brace pre axial force can effectively control the wall displacement and reduce negative bending moment.
分析在不同预负荷时弯曲过程中温度、应力、残余应力的分布和弯曲角度对于变形机制的影响。
The influences of bucking mechanism caused by distribution of temperature, stress, residual stress and bucking angle are analyzed with different preloads.
基于不变形预张力的基本概念，建立了斜拉桥成桥状态的多目标、多约束的优化模型，并通过有限元程序求解成桥索力。
Based on the basic concept of the un-deformed pretension of cable, the optimization model of finished state with multi-objective and multi-constraint is used.
表明预拉伸变形提高了合金的应力腐蚀抗力和强度。
The results show that the predeformation raises the SCC resistance and strength of the alloy.
表明预拉伸变形提高了合金的应力腐蚀抗力和强度。
The results show that the predeformation raises the SCC resistance and strength of the alloy.
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