铝基非晶纳米晶复合涂层研究.pdf

48 3 2012 3 289—297 ACTA METALLURGICA SINICA Mar. 2012 –297 ? 1 , 2) 1 , 3) 1) 1) 1) , 100072 2) , 100072 3) , 100124 , , AZ91 Al–Ni–Y–Co . (SEM) X (XRD) (TEM) Al–Ni–Y–Co , Al–Ni–Y–Co , , %. Al–Ni–Y–Co Vickers HV 0 . 1 , MPa. Al AZ91 ; Al 10 , AZ91 6 ; Al AZ91 , Al 1/2, AZ91 1/5; Al AZ91 , . Al–Ni–Y–Co . , , , , A 0412 ?1961(2012)03 ? 0289 ? 09 STUDY ON Al–BASED AMORPHOUS AND NANOCRYS- POSITE COATING LIANG Xiubing 1 , 2), ZHANG Zhibin 1 , 3),CHENYongxiong 1),XUBinshi 1) 1) National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072 2) Department of Scienti?c Research, Academy of Armored Forces Engineering, Beijing 100072 3) College of Material Science and Technology, Beijing University of Technology, Beijing 100124 Correspondent: LIANG Xiubing, associate professor, Tel: (010)66719441 , E-mail: liangxiubing@ Supported by National Basic Research Program of China (No. 2011CB013403 ), High Technology Research and Development Program of China (No. 2009AA03Z342 ) and National Natural Science Foundation of China (No. 50905185 ) Manuscript received 2011–09–23, in revised form 2011–11–27 ABSTRACT An Al–Ni–Y–Co amorphous and posite coating was prepared on the surface of the AZ91 Mg alloy by using an automatic high velocity arc spraying system. Its microstructures were analyzed by scanning electron microscope