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- The microstructure, mechanical properties and deformation characteristics have been studied for a cast Al Si Mg alloy A357 treated under different aging conditions. 研究了Al?Si?Mg系A357合金在不同时效状态下的显微组织、力学性能及形变特性。
- Differential scanning calorimetry(DSC), electron probe microanalysis(EPMA) and rapid solidification were adopted to study the effects of Ni and Mn on the microstructure, solidification process and aging hardening characteristics of Al Si Cu Mg alloy. 采用DSC差热分析及急冷试验方法并辅以微区成分分析 ,探讨了Ni和Mn对Al Si Cu Mg四元合金凝固组织、凝固过程及时效硬化特性的影响。
- Zhu Qiqian donated his other dwelling to the city, which is located at No. 3 Zhao Tang Zi hutong.He spent most of his time in Beijing at this Dong Si Ba Tiao home until his passing in 1964. 先生自购自建的赵堂子胡同3号故居捐献上交,东四八条这里女儿的住所才是先生在京的久居之地,直至1964年离世。
- 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。
- 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。
- 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。
- 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。
- 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。
- Traditional foundry technologies for Mg alloy were surv eyed.The merits and deficiency of Mg alloy in lost foam casting were analyzed o bjectively. 对常见镁合金铸造工艺作了分析和总结,对镁合金消失模工艺的优缺点作了客观分析;
- The application foreground, exploitation potential and problem need to be solved of Mg alloy materials are ulteriorly discussed. 并就镁合金材料的应用前景、开发潜力和尚需解决的问题等方面进行了探讨。
- In this paper,the microstructures,phase constituent and micro zone analysis of AZ31B wrought Mg alloy welded joint were investigated by optical microscope,XRD and EPMA. 采用光学显微镜、X射线衍射仪 (XRD)和电子探针 (EPMA)等分析测试手段 ,对变形镁合金AZ31B的TIG焊接头进行了微观组织观察、相组成和微区成分分析试验。
- Their appearance feature,formation causes and damages were analyzed,which offers the proof to improve the quality of joint in resistance spot welding of Mg alloy. 结果表明,在镁合金电阻点焊接头中的裂纹为结晶裂纹,与电流特性、结晶时的应力状态和成分偏析有关;
- A direct emission spectrographic Method is used for determing the trace elements Ba,Si,Fe,Mg,Pb,Al,Ca,Cu dnd Cd in metal strotium. 本文研究了以直接光谱法测定金属锶中钡、硅、铁、镁、铅、铝、钙、铜、镉等微量杂质。