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- Numerical Simulation on the Effect Electric Current on Metal Molten Pool during the ESR 电渣熔铸过程电流大小对金属熔池影响的数值模拟研究
- Metal molten pool 金属熔池
- Heat released by the oxidation keeps the metal molten. 氧化过程中释放出来热量还能保持金属熔化。
- Key words: Laser remanufacturing; Temperature field; Molten pool; CCD. 关键词：激光再制造；温度场；熔池；ccd。
- Twin-roll strip cast process is a advanced technology in the fields of current metallurgy, that the metal melt is directly cast into a pool made of two rotating rolls, solidified under chill cooling of the rolls and formed a strip with the rolls. 薄带连铸工艺是将金属液直接浇铸到旋转的结晶辊中间的熔池中,在结晶辊的激冷作用下凝固并受到结晶辊的轧制后成带,是当前冶金界的前沿技术。
- Quite molten pool, little spatter and no undercut ensure workpiece be in good welding appearance. 焊接熔池平静，飞溅小，不咬边，焊缝成形美观。
- Quite molten pool,little spatter ang no undercut ensure workpiece be in good welding apparance. 焊接熔池平静，飞溅小，不咬边，焊缝成型美观。
- Shoot the molten pool by CCD,process the picture through computer,and then demarcate temperature. 为了更好的研究激光与材料表面的相互作用,需要实时检测熔池温度场。
- The dynamic change of the molten pool influences the quality of welding joint directly in TIG. TIG焊接过程中,熔池的动态变化直接影响焊接质量。
- Based on the thermodynamics analysis, the sulphurs removal mainly was occured in the molten pool. 研究表明：金属镁粉对焊缝金属的脱硫是有较明显效果的。
- Natural flake graphite powder used in nonferrous,metal molten furnace for oxygen-proof material. 天然磷片石墨粉，用于有色金属熔炉液体表面防氧化覆盖粉。
- The depth of molten pool directly influences the crystallization of castings,thus influence the quality of ingots in the ESR. 电渣熔铸过程中,金属熔池深度直接影响熔铸件的结晶,从而影响钢锭的质量。
- The forces applied on the molten pool at the cathode surface under the action of an ex-ternal magnetic field during vacuum arc coating are analyzed. 分析了在外加磁场作用下，真空电弧镀膜中阴极靶面液池的受力情况，导出了液滴喷溅特性受磁场影响的关系式。
- The key factors to produce post molten region are the overheating and the lat ent heat released during solidification process in upper molten pool. 影响后熔的主要因素是熔覆层和过渡区凝固过程中释放的潜热和熔覆层的过热。
- The influences of laser on plasma arc beam form,width and depth of molten pool in the high temperature alloy powder deposition were investigated. 研究了等离子激光复合熔积高温合金粉末过程中激光对等离子弧柱形态、熔积时熔深和熔宽等的影响。
- A passive vision sensing system to acquire the image of molten pool in MAG welding was set up and many typical molten pool images were obtained. 针对MAG焊特点,利用被动式熔池视觉传感系统,采集到清晰的熔池图像;
- The calculated results indicate that because of the forced convection produced by electromagnetic force,the metal melt is stirred electromagnetically and the grain is ref... 分析结果表明,电磁离心凝固过程中,正是由于电磁力引起的受迫对流运动,对金属熔体起电磁搅拌作用并使晶粒得到细化,从而提高铸件质量。
- At quasi-state stage, the depth and rad ius of laser pool have small changes, but the highest surface temperature and velocity of molten pool decease rapidly. 在凝固准稳态阶段，熔池熔深和半径变化较小，但表面最高温度、熔池流速急剧减小；凝固加速阶段则反之。
- The crystal grains are ejected to molten pool continuously under the vibrating action of bar and served as crystal nucleus of equiaxed grain during solidification. 这些晶粒在振动作用下被连续不断地弹射至溶液中，成为凝固过程中等轴晶的形核核心；
