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- Distribution of Mg in melt pool and its effects on mechanical properties of welded joint were investigated by EDX analysis, microhardness test and tensile properties test. 通过对焊缝的能谱分析、显微硬度试验和拉伸性能试验,研究了Mg元素烧损后在熔池内的分布规律及对焊后力学性能的影响。
- Key words: Laser remanufacturing; Temperature field; Molten pool; CCD. 关键词:激光再制造;温度场;熔池;ccd。
- The surface temperature of melt pool in crucible and hearth of TC4 alloy during electron beam cold hearth melting was measured accurately by using M9100 pyrometer. 使用M9100图像高温仪精确测定了TC4合金电子束冷床熔炼时坩埚和冷床熔池表面的温度。
- The results show that the surface temperature of melt pool is affected intensively by melting parameters such as melting rate,melting power,electron beam scanning pattern and scan frequency,etc. 结果表明,结果表明,熔炼工艺参数如熔化速度、熔炼功率、电子束扫描方式和扫描频率都会对熔池表面温度产生剧烈影响。
- Liquid surface of melting pool self-controllable, auto-traveling carriage and self-adjustable stick-out. 熔池液面自动控制,焊丝伸出长度自动调节。
- 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。
- 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 sea seemed to melt into the sky at the horizon. 在水平线处,海洋似渐渐没入天际。
- 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。
- All his support melt away when he really needed it. 在他真正需要支持时,却得不到一丝半点。
- Let's dunk in the pool before dinner. 我们饭前到池塘里泡一会儿。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- 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;