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- A new process, liquidus semi continuous casting(LSC) to produce semi solid slurries of aluminum alloy, was presented. 结合铝合金半连续铸造的生产工艺,介绍了铸造铝熔体液面的控制措施以及每种控制措施的实践效果。
- Through optimizing the processing parameters, semi solid Al 7%Si alloy cylinders with thixotropic non dentritic structures were successfully produced. 棒料内部组织形貌为具有类圆形轮廓的初生相晶粒浸润在细共晶体中,与传统的凝固枝晶组织有显著差异。
- Using the FEM, the deformation and stress field of a large-scale Mg alloy die casting machine have been calculated by ANSYS. 摘要压铸机的整体变形情况对压铸机性能和铸件质量有重要影响。
- Flemings M C. Behavior of metal alloys in the semi solid state[J]. Metall Trans, 1991.22B(6) : 269-293. 王渠东丁文江.;镁合金及其成形技术的国内外动态与发展[J]
- The bond strength of Ni-P coating on Mg alloy AZ91D is studied with metalloscope,SEM,EDS. 利用金相显微镜、SEM、能谱仪(EDS),研究了镁合金AZ91D的化学镀Ni-P的结合强度。
- Because Mg alloy has a low density and good performance,it has an extensive development and application potentiality. 镁合金由于质轻、性能良好等特点而具有广阔的开发与应用潜力。
- The effect of mischmetal additions on the ignition temperature of ZM5 Mg alloy was investigated and compared with t. 针对ZM5镁合金,研究了混合稀土及其加入量对起燃温度的影响,并与纯稀土的阻燃效果进行了比较。
- Abstract: The research on simulation of semi solid forming processes including rheocasting, partial remelting and thixoforming, was reviewed. 论述了半固态金属加工技术,即流变铸造、二次加热与触变成形等工艺过程数值模拟技术的研究进展和现状。
- An uniform zinc phosphate coating was fabricated on the surface of AZ91D Mg alloy. 在AZ91D镁合金表面制备了细致均匀的锌系复合磷化膜。
- Semi solid forming is one of new types of material processing.This paper analyses the present and the future of this new forming technology. 半固态加工是金属材料成形领域中的一种新工艺。分析了铝合金半固态成形技术的现状及发展趋向。
- Extrusion deformation can fine the grain of Mg alloy and increase its properties remarkably. 挤压变形可显著地细化镁合金晶粒并提高镁合金的力学性能。
- Thixotropy The property of letterpress and offset inks of becoming fluid when stirred and setting to a semi solid tate when left at rest for some times. 活版及柯式油墨的一种特性。当搅拌后,油墨变得稀,但让它静止一段时间,它又变回半固体状态的情况。
- The importance of studying the mold filling velocity of Mg alloy in the expendable pattern casting (EPC) process is pointed out in this paper. 消失模铸造的充型过程对于获得健全铸件至关重要,研究工艺参数对镁合金消失模铸造充型速度的影响,对于工艺参数的优化和铸件质量的提高具有非常重要的理论和实用价值。
- Since its chemical character is very active, Mg alloy is prone to oxidation and burning, which makes it impossible to be melted and cast in air. 但由于镁的化学性质活泼,非常容易氧化、燃烧,导致镁合金无法在大气条件下直接进行熔炼和浇注。
- The production technology for Mg and Mg alloy powders are:grinding milling,atomisation,melting and recycling,turning and chipping. 由于镁及镁合金的独特性能,其粉末及粉粒通常用球磨法、铣削法、雾化法生产,特别是铣削法用得最多。
- Abstract: The microstructure of AZ61 Mg alloy made by the methods of normal cast and twin-screw rheo-cast was investigated. 摘 要: 采用双螺旋流变铸造技术制备镁合金AZ61铸锭,并与常规铸造组织进行对比。
- The electrochemical behavior of AZ31 Mg alloy was investigated by measuring anodic polarization curves and electrochemical impedance spectroscopy(EIS). 采用阳极极化和电化学阻抗谱(EIS)技术研究了AZ31镁合金的电化学腐蚀行为。
- Using the FEM,the deformation and stress field of a large-scale Mg alloy die casting machine have been calculated by ANSYS. 压铸机的整体变形情况对压铸机性能和铸件质量有重要影响。
- Fluxes and cover gases are currently used for the melting and production processes, and semi solid thixocasting is also used to lower the operation temperature, but there still remain many problems. 目前一般采用熔剂覆盖和气体保护法熔炼生产镁合金,或采用半固态射铸成形工艺以降低作业温度,但都存在着不少缺点。