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The microstructure of WC-10Co cemented carbides with different addition amount of plate-like WC seeds is shown in Fig.2. The addition of plate-like seeds helps the development of plate-like WC grains. With the increase of seed addition, more plate-like WC grains with more regular shape and bigger aspect ratio are formed, and the average size of WC grains becomes larger. When 10 mass% seeds are added, the amount of plate-like WC grains and the average grain size reach the maximum values, but there are some pores. Ïë±í´ïµÄÖÐÎÄÒâ˼ÊÇ Í¼2Ϊ¼ÓÈ벻ͬ¾§ÖÖÁ¿ºó´Ö·ÛWC-10wt%CoÓ²ÖʺϽðµÄÏÔ΢×éÖ¯ÕÕÆ¬¡£Í¨¹ýÏÔ΢×éÖ¯µÄ¶Ô±ÈÎÒÃÇ¿ÉÒÔ¿´³ö£¬Ëæ×Űå×´WC¾§ÖÖÌí¼ÓÁ¿µÄÔö¼Ó£¬ºÏ½ðÖгÊÏÖ³ö°å×´ÐÎòµÄWC¾§Á£µÄÊýÄ¿²»¶ÏÔö¶à£¬Æä°å×´ÐÎòҲԽ·¢Ã÷ÏÔ£¬ÇÒ³¤¾¶±ÈÒ²²»¶ÏÔö´ó£»Í¬Ê±Ëæ×ž§ÖÖ¼ÓÈëÁ¿µÄÔö¼Ó£¬¾§Á£µÄƽ¾ù³ß´ç²»¶ÏÔö´ó¡£µ±¾§ÖÖ¼ÓÈëÁ¿Îª10%ʱ£¬ºÏ½ðÖаå×´WC¾§Á£×î¶à£¬¾§Á£Æ½¾ù³ß´ç×î´ó£¬µ«×éÖ¯ÖгöÏÖÁËÉÙÐí¿×϶¡£ ÏÈллÁË£¡ |
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2Â¥2010-12-14 00:19:12
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liukunde(½ð±Ò+1, ·ÒëEPI+1):ºÜºÃ 2010-12-14 22:32:27
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The microstructures of WC-10Co cemented carbides with different amount of plate-like WC seeds are shown in Fig.2. (The addition of plate-like seeds helps the development of plate-like WC grains.) As shown in Fig.2, with the increase of seeds, more plate-like WC grains with more regular shapes and bigger aspect ratio are formed, and the average size of WC grains becomes larger. When the addition of seeds reaches 10 mass%, plate-like WC grains and the average grain size have maximum values, but there are some pores. À¨ºÅÖÐÄǾäûÓÐÖÐÎÄÒâ˼¶ÔÓ¦°¢ |
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liukunde(½ð±Ò+1):ºÜºÃ 2010-12-14 22:32:47
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Æäʵ¥Ö÷µÄ¾ä×Ó»ù±¾Ã»ÓÐÌ«´óÎÊÌ⣬ֻÊÇÓÐЩ´Ê¸Ð¾õ±È½Ï׸Êö£¬¿ÉÒÔ³ÐǰʡÂÔ£¬¶àÓñ»¶¯Óï̬¡£ The microstructure of WC-10Co cemented carbides with different addition amount of plate-like WC seeds is shown in Fig.2. As shown in Fig 2,the growth of plate-like WC grains was promoted by the addition of the seeds. With the increase of seed addition, more plate-like WC grains with more regular shape and bigger aspect ratio are formed, and the average size of WC grains becomes larger. When 10 mass% seeds are added, the amount and average size of the grains reach the maximum values and some pores were generated in framework. |
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