共搜索到19994条信息,每页显示10条信息,共2000页。用时:0小时0分0秒790毫秒
......
Microstructures and mechanical properties of AZ91D magnesium alloy processed by low pressure die casting JIANG Hai-yan(蒋海燕), FU Peng-huai(付彭怀), YU Yan-dong(于彦东), ZHAI Chun-quan(翟春泉) National... Magnesium alloys represent unique structural materials combining high specific strength with the capability to absorb shock and vibration energy. Cast magnesium alloy AZ91D is most widely used......
and parameters optimization of preparation of AZ91D magnesium alloy semi-solid slurry by damper cooling tube method YANG Hao-qiang, XIE Shui-sheng, LI Lei, HUANG Guo-jie (State Key Laboratory for Fabrication... of AZ91D magnesium alloy was introduced. 3D numerical simulations for the flow patterns of AZ91D magnesium alloy in DCT process were carried out by FLOW3D. The effects of technical parameters......
by the reduction of interfacial energy, will inevitably and continuously occur with the extension of heating and holding. Key words: AZ91D magnesium alloy; deformation; isothermal holding; microstructure.... Semisolid metal processing [J]. Int Mater Rev, 2002, 47(2): 49-85. [4] ZHANG Y F, LIU Y B, CAO Z Y, ZHANG Q Q, ZHANG L. Mechanical properties of thixomolded AZ91D magnesium alloy [J]. J Mater Process......
evolution of magnesium alloy AZ91D prepared by electric current pulse discharge during partial remelting ZHOU Quan, YANG Yuan-sheng, TANG Jun-li, HU Zhuang-qi (Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China) Abstract: The non-dendritic semi-solid magnesium alloy AZ91D is prepared by reheating the AZ91D alloy treated by low-voltage electric current pulse......
......
Friction stir processing of thixoformed AZ91D magnesium alloy and fabrication of Al-rich surface CHEN Ti-jun(陈体军), ZHU Zhan-ming(朱战民), LI Yuan-dong(李元东), MA Ying(马 颖), HAO Yuan(郝 远) State Key... of several advantages, such as low density, high specific strength and good machinability[1]. However, AZ91D alloy, one of the most common commercial magnesium alloys, suffers from the challenge in meeting......
Optimization of processing parameters for rheo-casting AZ91D magnesium alloy WANG Ya-bao(王亚宝), XU Jun(徐 骏), YANG Bi-cheng(杨必成), ZHANG Zhi-feng(张志峰) General Research Institute... magnesium alloy AZ91D. 2) The optimized rheo-casting processing parameters are determined to 650 ℃ for pouring temperature, 585 ℃ for shearing temperature, 40 s for shearing time and 600 r/min for shearing......
interface. The electrochemical tests show that both P-film and Si-film can enhance the corrosion resistance of AZ91D magnesium alloy significantly. The corrosion failure process of the two films in 5...Electrochemical performance of microarc oxidation films formed on AZ91D alloy in two group electrolytes WANG Li-shi(王立世), CAI Qi-zhou(蔡启舟) , WEI Bo-kang(魏伯康), LIU Quan-xin(刘全心) (State Key......
Effect of extrusion ratio on microstructure and mechanical properties of AZ91D magnesium alloy recycled from scraps by hot extrusion HU Mao-liang(胡茂良), JI Ze-sheng(吉泽升), CHEN Xiao-yu(陈晓瑜... elongation to failure of 11.32%, compared with those of the cast specimen. Key words: extrusion ratio; AZ91D magnesium alloy; scraps; mechanical property; microstructure 1 Introduction Magnesium......