锻造变形
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工艺试验结果表明,该钢的力学性能主要与锻造变形程度、尺寸效应、回火脆性和δ-F。组织等因素有关。
The test results showed that the mechanical properties are related to forging deformation ratio , dimensional effect , temper brittleness ,δ - Fe and so on .
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本文从试样形状、锻造变形量、氧的表面污染、原材料化学成分和组织结构诸因素的影响出发,对Ti-679合金蠕变暴露后脆化的原因进行了对比性的试验研究。
The effect of specimen shape , degree of deformation by forging , surface contam-ination of O_2 , chemical composition and microstructure on the brittle fracture ofTi-679 alloy subjected to creep test at 450 ℃ for 100h have been studied .
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粉末冶金锻造变形力和密度计算
Calculation of pressure and densification ror powder forging on the force
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锻造变形量对钨合金材料性能的影响
Influences of swaged deformation levels on properties about tungsten alloys
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钨合金材料锻造变形强化的组织与性能及其再结晶行为
Microstructure , mechanical property and recrystallization behavior of swage strengthened tungsten alloy
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温度分布状态对锻件锻造变形的影响
Effect of Temperature Distribution on Forging Deformation of Forgings
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坯料的几何尺寸与摩擦对锻造变形力的影响
Influence of the geometrical size of workblanks and the friction on the forging deformation load
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另外,建立的身管径向锻造变形区应变方程也较好的预测了应变值。
The strain equation built here also predicted the strain of the radial forging process well .
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围绕粉未烧结体锻造变形的特点,讨论了粉末锻造模具设计的若干问题,并对一些粉末锻造模具进行了分析。
Some problems of design for powder hot forging die have been discussed around the characteristics of forging deformation of powder preforms .
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随后再继续对其施以第二次快速锻造变形及热处理,使残存的粗大晶粒全部得到细化。
When the second rapid deformation and heat treatment were conducted , all of the remaining large TiAl gains could be refined .
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对不同锻造变形量的钨合金材料组织、性能及其再结晶行为进行了研究。
The investigation was made on microstructure , mechanical property and recrystallization behavior of tungsten alloy with different amount of swaged deformation .
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分析了坯料的不同几何尺寸与摩擦状态对锻造变形力及变形过程的影响;
The influence of the geometrical size of workblanks and the friction state on the forging deformation load and the deforming process is analyzed .
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指出了径向锻造变形技术具有锻造效率高、变形温降小、锭料或坯料表面变形较为充分等诸多优点。
It has been pointed out radial forging technology has a series of advantages including high forging productivity , slight temperature reduction in the process of forging deformation and adequate surface deformation of the ingot or billet .
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以锻件晶粒度分布的均匀性与细小化为目标,建立了锻造变形过程的微观组织演变模型,并给出了优化目标函数表达式。
The microstructure evolvement model of the hot forging process is established at the aim of uniformity and minuteness of the crystal distribution in the final parts . The expression of the object function is then given .
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齿轮粉末锻造的变形力分析及其过程数值模拟
Calculation and Analysis of Gear Powder Forging and Numerical Simulation of its Process
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矩形棒料延伸锻造的变形分析
Analysis of Deformation for Extending Forging Rectangular Stocks
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文章通过几个不同尺寸坯料在不同表面粗糙度的工具上进行的压缩试验,模拟金属锻造的变形过程;
The deforming process in metal forging is simulated through the compression test in which several workblanks of different size are tested on the tools with different surface roughness .
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为了确定大型铝机轮等温锻造的变形力及揭示轮缘处形成折叠的原因,本文用刚一粘塑性有限元法对模拟件的成形过程进行了全面数值模拟。
In order to determine the deforming loading for isothermal forging of huge aluminum wheel of aeroplane and to reveal the cause for folding at flange , the forming process is simulated by rigid-viscoplastic finite element method .
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在500℃、应变速率10-2s-1的形变条件下对Fe-32%Ni合金奥氏体进行了多轴锻造塑性变形。
The Fe-32 % Ni alloy was severe plastic deformed by multi-axial forging at the temperature of 500 ℃ and strain rate of 10-2s-1 .
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锻造过程中变形均匀性控制及模具优化设计
Uniformity deformation control and optimal preform die design in metal forging
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汽车螺旋伞齿轮封闭模锻造成形的变形特性
Deformation characteristics of bevel pinion of automotive output shaft by no flash die forging
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锻造过程中硫化物变形行为的研究
The Researches on Deformation Behaviour of Sulfide During Forging
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本文讨论了在锻造过程中不同变形温度、变形程度、变形速度对高温合金组织和性能的影响。
In this paper , the influence of various deformation temperature , deformation degree and deformation velocity on structure and properties of superalloys in forging process was discussed .
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通过对比和试验确定2214锻件锻造工艺参数和变形组织的过烧温度,研究其热处理工艺参数对材料组织和性能的影响。
The parameters of forging process and overheating temperature of 2214 forgings are determined through the comparison and test . The effect of heating treatment parameters on the structure and mechanical property of the material is studied .
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系统实际应用表明,锻造过程中锻件变形的实现极大地提高了参与者参与训练的积极性,进一步提高了系统的培训效率。
The practical application of the system shows that the realization of forging deformation in forging greatly increases the enthusiasm of the participants involving in the training , and further improves the training efficiency of the system .
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阐述了锻造成形技术的发展进程,锻造变形技术已由最初的人力锻造发展到全部自动化控制的径向锻造。
The development process of forming technology with forging is described . This technology has been developed from the original manual forging to radial forging in full automatic control .
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钛合金由于其优良的高温性能成为航空发动机叶片锻造的理想材料,但是其锻造变形抗力大、变形温度高,锻造非常困难。
Titanium alloy is a perfect forging material for aero-engine blade due to its excellent elevated temperature property . However , titanium alloy is hard to deform because of its high resistance to deformation and deformation temperature .
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所以,两次镦拔以后,转子锻件锻造的着重点应放在锻件最终形状、尺寸的完成及后续火次锻造时塑性变形的均匀性上。
So , after twice streching and upsetting , forging of the rotor should focus on forging the final shape , size , completion and follow-up fire sub-uniformity of the deformation .
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探索了高温锻造淬火工艺对8091铝锂合金组织与性能的影响,并与胎模锻造以及胎模锻造加模压预变形工艺做了对比。
Effect on the microstructure and mechanical properties of 8091 Al-Li alloy is researched with the high temperature forging-quenching technology , and the structure and property comparisons are made among the above technology and the foetal die forging as well as foetal die forging-cold pressing preforming technology .