6013 aluminum alloys containing different main alloying elements minor alloying elements were designed and prepared by ingot - metallurgy processing . the tesile mechanical and aging properties of the studied alloys were tested ; the microstructure of those alloys were observed and analyzed using optical microscope ; the influence of main alloying element mg , si , minor alloying elements mn , cu and homogenization process on the structure and property of studied alloys were studied 采用铸锭冶金方法，设计并制备了不同合金元素含量的6013铝合金，将铸锭热加工以后，测试了合金的拉伸力学性能和时效性能，采用金相显微镜观察分析了合金的显微组织结构，研究了合金中主合金元素mg 、 si ，微量元素mn 、 cu添加量、均匀化温度和时间对合金组织和性能的影响。
Nano - composite nd2fe14b / - fe magnetic material has been prepared by mechanical milling nd2fe14b alloy under ar2 and subsequent crystallization at different temperature . effect of ball milling ( attritor mechanical milling and planetary mechanical milling ) and crystallization technique on structure and magnetic of nanocomposite nd2fe14b alloy has been analyzed by xrd , sem , tem and ppms 通过x射线衍射( xrd ) 、扫描电子显微镜( sem ) 、透射电子显微镜( tem )和物理性能测试系统( ppms )着重研究了不同球磨工艺(搅拌式球磨与行星式球磨)及晶化处理工艺参数对纳米复相nd2fe14b合金组织结构和磁体性能的影响。
As the demand of low weight and high strength for high damping alloys , the composition of aluminum alloys was determined as al - 20 % zn - 6 % si - 0 . 4 % mg ( i . e . azsm ) by the orthogonal experiments . furthermore , effects of alloyed elements , the modifying agents and heat - treatment on microstructures , damping capacities and mechanical properties of the azsm alloy were studied . finally , the damping mechanism of the azsm alloy was proposed 根据对高阻尼合金轻质高强的要求，采用正交试验法确定了具有良好阻尼性能的铝合金的成分为al - 20 zn - 6 si - 0 . 4 mg (下称azsm合金) ；探讨了合金化、变质和不同热处理工艺对azsm合金组织、阻尼性能和力学性能的影响；最后提出了azsm合金的室温阻尼机制。
By analyzing the microstructure of as - cast alloys with different surplus of samarium added , the optimum surplus of samarium is decided . by comparing the microstructure of the alloys annealed for different time , the ideal and economical annealing time is confirmed . the microstructure and phase composition of alloys during the whole preparation of sm2fe17nx are analyzed using the scanning electron micrograph with energy - dispersive x - ray analysis and x - ray diffraction patterns 本论文首先就熔炼工艺参数对铸态组织微结构的影响进行了探讨，并制定出一套较为合适的熔炼工艺；通过对不同钐加入量的铸态组织微观结构的观察分析，确定了原料配置过程中钐的最佳补偿量；通过对采用不同退火时间的合金组织进行比较，确定了理想、经济的退火时间；同时还利用扫描电子显微图像和x射线衍射图谱，比较了整个制备过程中，试样微结构和相组成的变化情况。
Melting temperature , putting in sequenceiof raw material , chemical composition and flux type affecting structure morphologies of altib master alloys in producing process of master alloys has been systematically investigated from the view of al - ti - b master alloys heredity . and we study the effect that different master alloys refine commercial al and al alloys 本论文主要从altib中间合金遗传性的角度出发，系统地研究了在制备中间合金的过程中，熔炼温度、原料加入顺序、 ti含量、凝固速度、原料的化学成分和熔剂种类等对中间合金组织形态遗传性的影响。
