Search Results - "胡连喜"
-
1
基于动态再结晶软化理论的Ti?22Al?25Nb合金新型本构关系模型
Published in 中国有色金属学报(英文版) (2019)“…依据热压烧结制备Ti?22Al?25Nb合金热模拟压缩所得实验数据,研究合金在热变形温度为975~1075℃、应变速率为0.001~1…”
Get full text
Journal Article -
2
铸态AZ91D镁合金的动态再结晶动力学
Published in 中国有色金属学报(英文版) (2014)“…在温度为220~380°C和应变速率为0.001~1…”
Get full text
Journal Article -
3
热变形条件下V-10Cr-5Ti合金动态再结晶行为的元胞自动机模拟
Published in 中国有色金属学报(英文版) (2019)“…通过在Gleeble-1500热模拟压缩机上对V-10Cr-5Ti合金进行温度为950~1350℃、应变速率为0.01~10s-1的热模拟压缩实验,并基于Arrhenius模型、位错密度模型、形核模型和晶粒长大模型,建立一种元胞自动机(CA)模型来模拟和表征动态再结晶过程中的组织演变.结果…”
Get full text
Journal Article -
4
循环镦-挤制备AZ61镁合金的显微组织与力学性能
Published in 中国有色金属学报(英文版) (2015)“…在温度为285~380℃的条件下,采用循环镦-挤工艺成功获得AZ61镁合金的累积大塑性变形,并对铸态和循环镦-挤变形后合金的组织特征和力学性能进行研究.结果表明,在285℃的条件下,循环镦-挤变形3道次后,材料获得的累积应变为4.28,并得到了平均晶粒尺寸为3.5…”
Get full text
Journal Article -
5
NdFeB合金粉末脱氢-再结合过程组织演变和晶粒生长的Monte Carlo模拟
Published in 中国有色金属学报(英文版) (2011)“…TF121;…”
Get full text
Journal Article -
6
ZK60镁合金在热轧过程中的组织细化及性能改善
Published in 中国有色金属学报(英文版) (2011)“…TG146.22; 采用多道次降温热轧工艺对ZK60镁合金铸锭进行累积大塑性变形.此工艺方法可促进动态再结晶细化晶粒的程度,经6道次轧制后,晶粒尺寸由铸态时的278 μm细化至终轧板时的7.2 μm.拉伸试验结果表明终轧板材在板平面内具有很好的强度各向同性,其屈服强度约为202 MPa,抗拉强度约为307…”
Get full text
Journal Article -
7
热轧变形对AZ40Mg合金晶粒细化与力学性能的影响
Published in 中国有色金属学报(英文版) (2011)“…TG146.22; 以热挤压材为坯料,经多道次热轧制备AZ40 Mg合金板材.研究热轧变形对合金组织、力学性能与断裂行为的影响.结果表明:随着热轧道次的增加,通过动态再结晶,材料的组织均匀性得到逐步改善,晶粒尺寸持续细化.相应地,热轧板材的力学性能与挤压态坯料相比得到显著改善.经过5道次以上热轧制备的AZ40 Mg…”
Get full text
Journal Article -
8
Ti-47%Al合金在热变形下的流动应力本构模型
Published in 中国有色金属学报(英文版) (2011)“…TG146.23; 通过等温压缩试验,对γ-TiAl基合金(Ti-47%Al合金,摩尔分数)在温度为900~1 200℃和应变速率为0.001~0.02…”
Get full text
Journal Article -
9
-
10
Nanocrystalline Mg and Mg alloy powders by hydriding-dehydriding processing
Published in Transactions of Nonferrous Metals Society of China (01-07-2010)“…The process of mechanically assisted hydriding and subsequent thermal dehydriding was proposed to produce nanocrystalline Mg and Mg alloy powders using pure Mg…”
Get full text
Journal Article -
11
Desorption behaviour and microstructure change of nanostructured hydrided AZ31 Mg alloy powders
Published in Transactions of Nonferrous Metals Society of China (01-04-2010)“…In order to optimize the dehydriding process for producing nanocrystalline Mg alloy powders by hydriding-dehydriding treatment,nano-structured as-hydrided…”
Get full text
Journal Article -
12
Microstructures and properties of cold drawn and annealed submicron crystalline Cu-5%Cr alloy
Published in Transactions of Nonferrous Metals Society of China (01-02-2009)“…The microstructures and properties after cold drawing and subsequent annealing of submicron crystalline Cu-5%Cr (mass fraction) alloy were investigated. The…”
Get full text
Journal Article