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Effects of Strain Rate and Deformation Temperature on Microstructures and Hardness in Plastically Deformed Pure Aluminum

F. Huang N.R. Tao K. Lu

材料科学技术（英文）

The microstructures and hardness of pure Al samples subjected to plastic deformation with different temperatures and strain rates were investigated. The results showed that the strain-induced grain refinement is significantly benefited by increasing strain rate and reducing deformation temperature. ...

关键词: Dynamic plastic deformation , Microstructure , Hardness , Strain rate , Temperature

Effects of Strain Rate and Deformation Temperature on Microstructures and Hardness in Plastically Deformed Pure Aluminum

F. Huang N.R. Tao K. Lu

材料科学技术（英文）

The microstructures and hardness of pure Al samples subjected to plastic deformation with different temperatures and strain rates were investigated. The results showed that the strain-induced grain refinement is significantly benefited by increasing strain rate and reducing deformation temperature. ...

关键词: Dynamic plastic deformation , Microstructure , Hardness , Strain rate , Temperature

Microstructures and Mechanical Properties of Si-Al-Mn TRIP Steel with Niobium

Zhengyou TANG , Hua DING , Linxiu DU , Long LI

材料科学技术（英文）

Microstructure consisting of ferrite, bainite and retained austenite can be obtained through intercritical annealing and isothermal treatment in bainite transformation region for low silicon TRIP (transformation induced plasticity) steel containing niobium. Effects of strain rate, Nb content and soa...

关键词: TRIP , null , null , null , null

热变形参数对镁合金力学性能及微观组织的影响

刘婵桢

宇航材料工艺 doi:10.3969/j.issn.1007-2330.2015.05.010

基于热模拟机GLEEBLE1500,以AZ31为研究对象进行热压缩实验,获得材料的应力-应变曲线.用金相显微镜对不同温度及应变速率下的金相进行观察分析,并对比分析热压缩前后的微观组织.同时分析了不同温度及应变速率下材料的力学行为,其行为属于典型的动态再结晶型.当热压缩温度为350℃和400℃时,材料...

关键词: AZ31 , 热变形行为 , 微观组织 , 应变速率 , 变形温度

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