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A mathematical model for the undercooling of the metal droplet during the rapid solidification is established, by which ......
The Fe-Cr-C flux-cored wires with 0 wt.%, 0.63 wt.%, 2.54 wt.% and 5.08 wt.% additions of nano-Y2O3 were developed in th......
The Fe-and Mn-rich intermetallics are of great effect on the mechanical properties of the AA5083 type alloy(Al–5Mg–0.8......
DENDRITE REFINING AND EUTECTIC TRANSFORMATION BEHAVIOR OF NICKEL-BASE SINGLE CRYSTAL (NBSC) SUPERALL
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
DENDRITE REFINING AND EUTECTIC TRANSFORMATION BEHAVIOR OF NICKEL-BASE SINGLE CRYSTAL (NBSC) SUPERALL
Because of the low temperature gradient and growth rate, the microstructure of the conventional single crystal superallo......
利用高能电子束对球墨铸铁表面涂覆陶瓷涂层,并对改性试样的表面形貌和组织及其硬度分布进行了测试和分析,结果表明表层组织分为四......
采用等温凝固液淬的方法研究了稀土铸铁中初晶石墨的形态及其对共晶凝固的影响。结果表明:稀土铸铁中初晶石墨既可成为球状也会长成......
以Al/Cu, Al/Si接触反应偶为例, 研究了不同基体与反应材料组合下, 共晶液相的产生及其铺展行为. 结果表明: Al/Cu, Al/Si接触反应......
针对共晶复合陶瓷的微观结构特征,建立了含强约束界面相的有限元模型,模拟了包含片状夹杂共晶复合陶瓷材料的外载应力场分布规律;......
研究含0.3%Sc、0?14%Si和0?10%Ca铝基合金的相组成、显微组织和硬化性能。采用实验研究包括扫描电镜、热分析和硬度测试与Thermo-C......
本实验分别在普通重力场和4230g超重力场下制备了Cu(98.4)Cr(1.6)合金的凝固样品,研究了重力场对Cu(98.4)Cr(1.6)合金棒状共晶尺寸和宏观偏......
DENDRITEREFININGANDEUTECTICTRANSFORMATIONBEHAVIOROFNICKEL┐BASESINGLECRYSTAL(NBSC)SUPERALLOYDuWei(杜炜),LiJinshan(李金山),LiJianguo.........