It is important to control the forging temperature and solution treatment temperature lower rather than higher.
重要的是较低的锻造温度和热处理固溶温度比较高的好得多。
The effect of isothermal forging temperature on microstructure and mechanical properties of2B70 aluminum alloy was studied.
研究了不同等温锻造温度对2b70铝合金显微组织与力学性能的影响。
The effect of isothermal forging temperature on microstructure and mechanical properties of 2b70 aluminum alloy was studied.
研究了不同等温锻造温度对2b70铝合金显微组织与力学性能的影响。
With the increase of forging temperature, the deformation resistance and stress for working are decreased, which brings about the improvement of formability.
随着锻造温度的增加,变形抗力和加工应力减小,合金的成形性能得到提高。
In powder forging an as-pressed component is usually heated to a forging temperature significantly below the usual sintering temperature of the material and then forged in a closed die.
在粉末锻造中,压制零件一般加热到远低于该材料通常烧结温度的锻造温度,然后在闭模中锻造。
Then the FEM simulation was applied to study the influence of friction factor and initial forging temperature on maximum forming force, which provided reference on finishing process for similar parts.
通过有限元模拟,进一步研究了整形温度、摩擦系数对最大载荷的影响规律,为此类零件的局部精整工艺制定提供了理论参考。
Forging and pressing equipment work in a poor circumstance. Locating in big librations, high temperature and much dust circumstance.
锻压设备的工作环境一般都很恶劣,长期的处于振动大、温度高、灰尘多的工作环境中。
The effect of aging temperature and aging time to new-type heat-resisting aluminum alloy forging structure and properties are introduced.
通过对新型铝合金时效处理后的组织结构进行分析,研究了不同的时效温度和时间对该铝合金力学性能的影响。
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.
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 the hot repressing of the powder sintered preforms, the increasing forging force increases its densities at a constant temperature.
在相同温度下进行粉末烧结体热复压,锻造力的增加往往使锻造密度也增加。
The annealing process was made under different temperature and holding time to the cold forging AZ31 magnesium alloy with different deformation ratio.
对不同变形量的冷锻az31镁合金在不同温度和保温时间下进行退火。
It is shown by comparisons that PM temperature press technology has a strong impact on casting, die forging, PM forging technology.
经比较分析认为,温压技术将对铸造、模锻、粉末锻造技术产生冲击。
So it is usually processed by isothermal forging, which provide selected temperature steadily to improve the plasticity of magnesium alloy.
等温锻造成形过程中温度基本不变,可消除镁合金在常温下成形性能差的问题。
Hot ingots are often heated in forging furnaces, the feature of which is one-stage type in a constant temperature furnace and two-or three stage type in a temperature-variable furnace.
锻造钢锭多采用热锭加热,其特点是在恒温炉中一段加热和在变温炉中两段或三段加热方式。
The cooling process of crankshaft blank before forging was simulated. The reliability of the simulation program was confirmed by comparison the change of simulated temperature with that of measured.
对曲轴坯料锻造前的冷却过程进行了模拟,研究了温度场的变化情况,通过与实测结果的比较,证明了模拟过程的可靠性。
Observations showed that the micro-structure of the steel after forging or high temperature rolling was composed of low-carbon martensite, a little part of bainite and residual austenite.
微观组织观察表明,在锻造或高温轧制状态下获得了以低碳马氏体为主,含少量贝氏体和残余奥氏体的复合组织。
The effect of temperature field on forging process was also analyzed. Furthermore, the hypothesis that the temperature of blank was well-distributed during forging used in the simulation was proved.
分析了温度场分布对锻造过程的影响,并验证了锻造模拟过程中坯料温度分布均匀这一假设的可行性。
At room temperature and high temperature the tensile strength of the forging decreases firstly and then increases while the ductility changes on the contrary.
室温和高温拉伸强度随锻造火次的增加呈现先减少后增加的趋势,塑性则先增加后减小。
J. T. s forging process is investigated for improving in current production by high temperature moire modelling technique.
运用高温云纹法模拟技术,对中心压实锻造法(J·T·S)现行生产工艺进行实验研究,提出了改进意见。
The deformation law of both solid and local upsetting processes for cylinder forging is investigated by moire method at room temperature and numerical simulation in this paper.
本文用常温云纹法与数值模拟法研究了筒体锻件整体镦粗与局部镦粗工艺的变形规律,得到了整体镦粗工艺的坯料尺寸图。
The mechanical properties of cast-titanium matrix composites and high-temperature titanium matrix composites after hot-forging have been investigated.
研究了铸态钛基复合材料和热锻后高温钛基复合材料的力学性能。
Generally the microstructure of the overheated forging can be improved by means of high temperature fast cooling normalizing so that the qualified level from NADCA and ASTM standards can be obtained.
而一般过热的锻材可通过高温快冷正火处理来改善其显微组织,从而获得NADCA (ASTM)标准的合格级别组织。
The influence of heating temperature, forging-ending temperature and cooling speed on the mechanical properties of untempered 45v steel is investigated.
研究了加热温度、终锻温度、冷却速度对45V非调质钢力学性能的影响。
The effect of aging temperature and aging time to new-type heat-resisting aluminum alloy forging structure and properties are introduced .
通过对新型铝合金时效处理后的组织结构进行分析,研究了不同的时效温度和时间对该铝合金力学性能的影响。
During forging forming process, temperature affects the pattern of metal deformation considerably, especially in the forming process at high temperature.
锻件成形过程中,非稳态、不均匀的温度场对金属的塑性流动有很大的影响,尤其是高温成形过程。
The necessary cooling must be made for dies in medium and high temperature molding forging.
中高温温锻成形,必须对模具进行必要的冷却。
High temperature thermomechanical treatment (HTMT) is a kind of TMT. It has been applied in the production of sintered steel and powder forging steel.
高温形变淬火是形变热处理的一种,它在烧结钢和粉末锻钢的生产中得到了应用。
Deformation rate influence the temperature rise of forging, a reasonable choice could influence the forging of forming to a certain extent.
变形速率影响锻件的温升,其合理选择对锻件成形有一定影响。
The high temperature wear property of a new type precision cast hot-forging die steel was studied, and compared with that of H13 steel. The mechanism of the high temperature wear was discussed.
研究了新型精铸热锻模具钢的高温磨损性能,并与H13钢进行对比探讨高温磨损机理。
The high temperature wear property of a new type precision cast hot-forging die steel was studied, and compared with that of H13 steel. The mechanism of the high temperature wear was discussed.
研究了新型精铸热锻模具钢的高温磨损性能,并与H13钢进行对比探讨高温磨损机理。
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