| 压力浸渗SiCW/LY12复合材料的超塑性 |
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| 引用本文： | 许晓静.压力浸渗SiCW/LY12复合材料的超塑性[J].材料工程,1999(5):3-5. |
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| 作者姓名： | 许晓静 |
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| 作者单位： | 江苏理工大学,镇江,212013 |
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| 摘 要： | 对压力浸渗、小挤压比挤压以及进一步扎制制备的β－ＳｉＣ晶须增强ＬＹ１２铝基复合材料的超塑性变形行为进行了研究。研究表明：该复合材料在温度７８８￣８０８Ｋ、初始应变再率为３．３×１０＾－３￣３．３×１０＾－２ｓ＾－１的条件下超塑性变形时，延伸率为２００％￣３７０％。
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| 关 键 词： | 超塑性 铝基复合材料 压力浸渗 |
Superplasticity of SiCw/LY12 Composite Made by Pressure Infiltration |
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| XU Xiao-jing.Superplasticity of SiCw/LY12 Composite Made by Pressure Infiltration[J].Journal of Materials Engineering,1999(5):3-5. |
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| Authors: | XU Xiao-jing |
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| Abstract: | The superplastic characteristics of the betaSiC whisker reinforced LY12 aluminum composite, fabricated by pressure infiltration and hotrolling after extrusion with a low extrusion ratio, were investigated The results show that the SiCw/LY12 composite exhibit a total elongation of 200%370% in the initial strain rate region from 33103 to 33102 s1at 788808K |
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| Keywords: | superplasticity aluminum matrix composites pressure infiltration |
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