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Processing parameters for Cu nanopowders prepared by anodic arc plasma WEI Zhi-qiang(魏智强)1, 2, XIA Tian-dong(夏天东)2, MA Jun(马 军)1, FENG Wang-jun(冯旺军)1, DAI Jian-feng(戴剑锋)1, WANG Qing(王 青)1, YAN... by anodic arc discharging plasma method with home-made experimental apparatus. The effects of various processing parameters on the particle size of Cu nanopowders were investigated in the process......
Trans. Nonferrous Met. Soc. China 28(2018) 1695-1704 Hot deformation and processing maps of as-sintered CNT/Al-Cu composites fabricated by flake powder metallurgy Chun-hong LI1,2, Ri-sheng QIU1, Bai... range of 0.001-10 s-1 with Gleeble 3500 thermal simulator system. Processing maps based on dynamic material model (DMM) were established at strains of 0.1-0.6, and microstructures before and after hot......
the calculated values of AZ110 LC alloy. The analysis of DRX kinetic models show that the development of DRX in AZ110 LC alloy is earlier than AZ110 alloy at the same deformation condition. The processing maps...Hot deformation behavior and processing map development of AZ110 alloy with and without addition of La-rich Mish MetalQiyu Liao,Yanchao Jiang,Qichi Le,Xingrui Chen,Chunlong Cheng,Ke Hu,Dandan LiKey......
)03-0914-07 Hot deformation and processing maps of Al-6Mg-0.4Mn-0.2Sc aluminum alloy WEN Zhi, YI Danqing, WANG Bin, ZHANG Yanke (School of Materials Science and Engineering, Central South University, Changsha... of Al-6Mg-0.4Mn-0.2Sc alloy at elevated temperatures was obtained by introducing Zener-Hollomon parameter. The processing maps were calculated and analyzed according to the dynamic materials mode. The results show......
Trans. Nonferrous Met. Soc. China 28(2018) 592-603 Hot deformation behavior of a Sr-modified Al-Si-Mg alloy: Constitutive model and processing maps Y. C. LIN1,2,3, Shun-cun LUO1,2, Xing-you JIANG1,2.... A physically-based model was developed to accurately predict the flow stress. Meanwhile, processing maps were established to optimize hot working parameters. It is found that decreasing the strain rate......
kinetic model. Moreover, the processing maps for hot working at different strains were constructed, suggesting the optimum processing conditions for this alloy are 573 K, 0.001 s-1 and 723 K, 0.001-0.1..., is comparatively accurate. 3.4 Processing maps The processing map is useful in optimizing hot processing parameters and in controlling microstructure evolution in metals and alloys [20]. Processing maps were......
wrought magnesium alloy was studied in the temperature range of 523-673 K and the strain rate range of 0.01-10 s-1 using hot compression tests. Through the flow stresses behavior, the processing maps..." DRX domain, it is preferable to conduct hot working in the small region around efficiency peak point. The strain has a great influence on the processing maps. The whole area of the "safe" domains......
Processing Modflow在地下水渗流与地面沉降研究中的应用 郭正法1,付延玲2 (1.江苏省水文地质工程地质勘察院,江苏·淮安,223005;2.河海大学土木工程学院,南京市,210098) 摘要:针对由地下水渗流场变化引起的地面沉降问题,以上海环球金融中心深基坑降水为例,采用国际上一致认可的地下水三维渗流与地面沉降耦合计算软件--Processing Modflow,建立了上海环球金融中心深基坑降水与地面沉降的耦合模型,并根据抽水试验资料,反演识别了模型中的有关参数(渗透系数,储水率,含水层骨架储水率),模拟了不同降水方案下,基坑内地下水位降至标高-22m以下时的地下水流动状态及其地面沉降特征,据此提出了8口井降水的优化方案. 关键词:Processing Modflow; 地下水渗流; 地面沉降; [全文内容正在添加中] ......
maps in the case of different true strains based on dynamic material model and the experiment were analyzed. The results show that the hot processing maps are greatly influenced by strain... Zhenhua, FU Wangtang, et al. Study on deformation characteristics of 12%Cr ultra-super-critical rotor steel using processing maps and Zener-hollomon parameter[J]. Materials Characterization, 2010, 61(1......
. 6 Processing maps of TiAl alloy at strain ε=0.1(a) and ε=0.69(b) 根据TiAl合金真应力-应变曲线的流变应力,绘制出应变分别为0.1和0.69时的加工图,如图6所示.其中灰色区域为流变失稳区,其余为塑性安全区.一般来说,η值在0.3~0.6时,材料最有可能发生动态再结晶,当η>0.6时,可能出现超塑性[22];而... for TiAl alloy. The suitable thermal processing parameter of the alloy were established by processing maps based on dynamic material model (DMM). The results show that TiAl alloy has positive strain......