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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.
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The microstructures of WC-10Co cemented carbides with different additions of plate-like WC seeds are shown in Fig.2.
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liukunde(½ð±Ò+1, ·­ÒëEPI+1):ºÜºÃ 2010-12-14 22:32:27
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.
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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. 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.
4Â¥2010-12-14 12:47:05
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