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- The flow stress values decrease with increasing deformation temperature and/or decreasing strain rate,which can be represented by a Zener-Hollomon parameter in an exponent-type equation with the hot deformation activation energy Q of 236 kJ/mol. 在实验范围内;流变应力值随着应变速率减少和变形温度升高而降低;可用Zener-Hollomon参数的幂指数关系描述合金的流变应力行为;其变形激活能Q为236 kJ/mol.
- Design of Vicat Soft Temperature and Hot Deformation Temperature PC 维卡软化点热变形温度微机控制系统的设计与实现
- Keywords MnS inclusion;deformation temperature;deformation;hot deformation behaviour; 硫化锰夹杂物;变形温度;变形量;热变形行为;
- hot deformation temperature 热变形温度
- Effect of Heat Treatment With Residual Deformed Temperature on Abrasiveness of Hot Deformed Low Chromium Semi-steel 余热热处理对热变形低铬半钢耐磨性的影响
- Rigid-plastic FEM was conducted to simulate the hot compressing process. The bulging deformation was observed in compressed samples, which was affected by friction factor, strain rate and deformation temperature. 采用刚塑性有限元方法模拟热压缩变形过程,研究了摩擦因子、变形速率、变形温度对鼓肚变形的影响,摩擦因子越大、变形速率越小、变形温度越低,鼓肚的变形量越大。
- The influence of hot deformation on diffusional transformation kinetics of aust- enite was studied for 40Cr steel. The deformation of austenite above its recrystalli- zation temperature may accelerate the subsequent diffusional transformation. 本文在40Cr 钢上研究了热变形奥氏体状态对珠光体转变运力学的影响,所得结论如下:1)在本文的试验条件下,高温形变有促使珠光体转变的作用;
- The hot deformation activation energy of KFC copper alloy during hot deformation is 288.79 kJ/mol. 其热变形激活能Q为288.;79kJ/mol;
- Mechanical properties, fluidity and heat deformation temperature of vulcanized rubber powder/PP blend were studied. 研究了硫化胶粉/PP共混体系的力学性能、流动性能和热变形温度等。
- The hot deformation behavior of low nickle electric heating alloy was studied by means of hot simulating technology. 利用热模拟技术对铁基低镍电热合金的热变形行为进行了试验研究。
- The effects of deformation temperature on the superplasticity of SiC particle reinforced LY12 aluminium composite were outlined. 本文总结了变形温度对碳化硅增强铝基复合材料超塑性的影响规律。
- These obtained results show that multistep warm/hot forming simulation can guide and refer to formulation of deformation temperature scope for outer race. 其结果表明，多工序温热成形有限元模拟对成形温度的选择有著指导和参考作用。
- A simulation and analysis has beencarried out by using DEFORM3D for hot deformation process of finish-form punch with different configuration. 利用DEFORM3D系统，模拟研究了不同终成形凸模结构对套管叉热成形影响的规律。
- The hot deformation activation energy Q is 469.03kJ/mol and the hot deformation equation is derived based on the experiments. 32Mn-7Cr-1Mo-0.;3N奥氏体钢的热变形激活能Q值为469
- Results show that thermal deformation temperature of the composites is improved evidently with incorporation of EAA and carbon black a little. 结果表明:加入少量的乙烯-丙烯酸共聚物(EAA)及炭黑后,可使复合材料的热变形温度明显提高;
- Di-rect quenching of work piece through precooling can reduce hot deformation and improve strength and toughness of the core, It prevents ... 结果还表明，工件预冷直接淬火可以减小热处理变形，还能提高心部强韧性，防止表面局部氧化脱碳，有利于提高点接触疲劳寿命。
- And the effects of deformation temperature and strain rate on the process of dynamic transformation and spheroidization of pearlite were different. 为了获得亚微米级别铁素体和颗粒状渗碳体弥散分布的复相组织需要形变温度与形变速率的配合。
- The results showed the addition of PPS did not decrease the thermal performance but decreases the heat deformation temperature of PPES/PPS blends. 热失重研究表明，在所组成范围内PPS的加入并未降低共混物的热性能，但使共混物的热变形温度有所降低；
- During hot deformation of metal, a chain of complex changes such as grain growth and recrystallisation will happen on its microstructure. 金属在热成形过程中微观组织发生诸如晶粒长大、再结晶等一系列的复杂变化,会直接影响加工过程与产品的力学性能。
- The viscid-plastic FEM is suitable to solve the question of metal hot deformation or strengthen indistinctive soft metal deformation. 而粘塑性有限元法适用于金属热变形或强化不显著的软金属变形。
