| STABILITY OF WHISKERS AND INTERFACIAL MICROSTRUCTURE IN ALUMINUM MATRIX COMPOSITES REINFORCED BY K_2O·8TiO_2 WHISKERS |
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| 作者姓名： | LI Jihong NING Xiaoguang YE Hengqiang |
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| 作者单位： | LI Jihong; NING Xiaoguang; YE Hengqiang (Laboratory of Atomic Imaging of Solids，Institute of Metal Research，Chinese Academy of Sciences，Shenyang) SHEN Baoluo; LI Wei; TU Mingjing (Chengdu University of Science and Technology，Chengdu，China) |
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| 摘 要： | ＳＴＡＢＩＬＩＴＹＯＦＷＨＩＳＫＥＲＳＡＮＤＩＮＴＥＲＦＡＣＩＡＬＭＩＣＲＯＳＴＲＵＣＴＵＲＥＩＮＡＬＵＭＩＮＵＭＭＡＴＲＩＸＣＯＭＰＯＳＩＴＥＳＲＥＩＮＦＯＲＣＥＤＢＹＫ_２Ｏ·８ＴｉＯ_２ＷＨＩＳＫＥＲＳ￥ＬＩＪｉｈｏｎｇ；ＮＩＮＧＸｉａｏｇｕａｎ...
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| 收稿时间： | 1995-06-25 |
| 修稿时间： | 1995-06-25 |
STABILITY OF WHISKERS AND INTERFACIAL MICROSTRUCTURE IN ALUMINUM MATRIX COMPOSITES REINFORCED BY K_2O·8TiO_2 WHISKERS |
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| LI Jihong, NING Xiaoguang, YE Hengqiang.STABILITY OF WHISKERS AND INTERFACIAL MICROSTRUCTURE IN ALUMINUM MATRIX COMPOSITES REINFORCED BY K_2O·8TiO_2 WHISKERS[J].Acta Metallurgica Sinica(English Letters),1995,8(3):167-173. |
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| Abstract: | The stability of K_2O·8TiO_2 whiskers and the microstructures of the interfaces in K_2O·8TiO_2 whisker reinforced ZL109 aluminum composites under different heat treatment conditions were investigated by means of transmission electron microscopy(TEM) , mostly by high resolution TEM( HRTEM). It was found that K_2O·8TiO_2 whiskers were not very stable.The edge of the whiskers decomposed and a TiO interfacial layer formed during the process of fabricating K_2O·8TiO_2/ ZL109Al composite,and so the interior with increasing temperature and time of heatreatment. Two kinds of interfacial microstructures between the whiskers and the matrix were characterized; one was the TiO layer and the other was a nano scale amorphous transition layer. A few MgAl_2O_4 particles were also observed at the whisker/ matrix interfaces. |
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| Keywords: | potassium titanate whisker aluminium alloy composite interface heat treatment |
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