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| 1 | W-1%La_2O_3合金的显微组织分析显示文摘通过X射线衍射仪、光学显微镜、扫描电镜、透射电镜对聚变堆面向等离子体候选材料W-1%La2O3合金的显微组织进行了研究。结果表明:与纯钨相比,添加了1%La2O3的钨合金组织致密,孔隙与晶界裂缝消失,大量颗粒弥散在钨合金基体上。进一步的化学成分分析并结合电子衍射花样发现,在这些颗粒中不仅存在La2O3以及钨的氧化物,还存在一种镧的钨酸盐La2(WO4)3及非晶态颗粒。同时讨论了W-1%La2O3合金的韧性和存在颗粒的可能形成过程。 | 崔凯 沈寅忠 俞杰 季波 | 2014 | 稀有金属材料与工程2014，43，2： | 2 |
| 2 | 3-D thermo-mechanical coupled FEM simulation of continuous hot rolling process of 60SiMnA spring steel bars and rods显示文摘The 3-D thermo-mechanical coupled elasto-plastic finite element method (FEM) was used for the simulation of the twopass continuous hot rolling process of 60SiMnA spring steel bars and rods using MARC/AutoForge3.1 software. The simulated results visualize the metal flow and the dynamic evolutions of the strain, stress and temperature during the continuous hot rolling, especially inside the work-piece. It is shown that the non-uniform distributions of the strain, stress and temperature on the longitudinal and transverse sections are a distinct characteristic of the continuous hot rolling, which can be used as basic data for improving the tool design, predicting and controlling the micro-structural evolution of a bar and rod. | JiaheAi HuijuGao TongchunZhao XishanXie andYuLiu | 2004 | Journal of University of Science and Technology Beijing2004，11，4： | 0 |
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