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- ·ÒëEPI: 1690
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wxqtjw: ½ð±Ò+30, ·ÒëEPI+1 2015-08-21 01:27:05
wxqtjw: ½ð±Ò+30, ·ÒëEPI+1 2015-08-21 01:27:05
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After coating system was heat treated, interdiffusion of elements Ni and Al between coating and substrate, as well as unidirectional diffusion of Co and Cr from matrix to coating occurred. With the increase of heat treatment time, the difference in element concentration between substrate and coating was decreased due to the unidirectional and/or bidirectional diffusion. ×¢£º 1¡¢»¥À©É¢£¬Ò²¾ÍÊÇË«ÏòÀ©É¢£¬¿ÉÒÔÓÃinterdiffusion »òÕßbidirectional diffusion£¬ÓëÖ®¶ÔÓ¦µÄÔòΪµ¥ÏòÀ©É¢unidirectional diffusion¡£ 2¡¢Äã×îºóÒ»¾ä»°ÖÐÓ¢ÎÄÒâ˼ÊDz»Ò»ÑùµÄ£¬²»ÖªµÀµ½µ×Ó¦¸Ã°´ÕÕÄĸö˵¡£ÆäÖÐÖÐÎIJ¿·ÖÓеã˵²»Í¨£º¡°À©É¢Ê¹µÃÔªËØÔÚ»ùÌåºÍÍ¿²ãÖ®¼äµÄŨ¶È±äС¡±¡£ËùÒÔÎÒÀí½âµÄÒâ˼ÊÇ¡°À©É¢Ê¹µÃÔªËØÔÚ»ùÌåºÍÍ¿²ãÖ®¼äµÄŨ¶È²î±äС¡±¡£ËùÒÔÎҾͰ´ÎÒÀí½âµÄ·ÒëÁË¡£ |
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