[1]方峰,江静华,谈淑咏,等.短纤维预制件强度对铝基复合材料组织的影响[J].东南大学学报(自然科学版),2002,32(3):415-418.[doi:10.3969/j.issn.1001-0505.2002.03.023]
 Fang Feng,Jiang Jinghua,Tan Shuyong,et al.Effect of compressive strength of short alumina fiber preform on microstructure of MMC[J].Journal of Southeast University (Natural Science Edition),2002,32(3):415-418.[doi:10.3969/j.issn.1001-0505.2002.03.023]
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短纤维预制件强度对铝基复合材料组织的影响()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
32
期数:
2002年第3期
页码:
415-418
栏目:
材料科学与工程
出版日期:
2002-05-20

文章信息/Info

Title:
Effect of compressive strength of short alumina fiber preform on microstructure of MMC
作者:
方峰 江静华 谈淑咏 马爱斌 蒋建清
东南大学材料科学与工程系, 南京 210096
Author(s):
Fang Feng Jiang Jinghua Tan Shuyong Ma Aibin Jiang Jianqing
Department of Materials Science and Engineering, Southeast University, Nanjing 210096, China
关键词:
短纤维预制件 抗压强度 黏结剂质量分数 纤维体积分数 金属基复合材料组织
Keywords:
shot alumina fiber preform compressive strength mass fraction of the binder volume fraction of fiber microstructure of MMC
分类号:
TB333
DOI:
10.3969/j.issn.1001-0505.2002.03.023
摘要:
采用GF砂型抗压强度测试仪测量了短纤维预制件压溃时的抗压强度,研究了氧化铝短纤维体积分数和黏结剂质量分数对预制件抗压强度的影响,使用金相显微镜观察了预制件强度对金属基复合材料组织的影响.试验结果表明,氧化铝短纤维预制件的抗压强度随着纤维体积分数的升高而升高,随着黏结剂质量分数的提高而升高.黏结剂浓度过低的预制件强度较低,在压力渗流过程中可能发生变形,导致复合材料组织不均匀; 预制件黏结剂质量分数过高,复合材料中可能出现网状组织,甚至空洞.
Abstract:
The compressive strength of short alumina fiber preform was examined with the compressive strength test machine(GF type)of sand-box. Effects of fiber volume fraction and binder mass fraction on the compressive strength of preform were studied. With the help of optical microscope(OM), the microstructure of MMC was observed. The experimental results show that the compressive strength of preform increases with the increasing of fiber volume fraction and binder mass fraction. Too low binder mass fraction leads to the reduction of compressive strength of preform, which would cause preform deformation in the process of squeeze casting and result in a non-homogeneous microstructure. Too high binder mass fraction would cause the appearance of meshwork or hole in the MMC.

参考文献/References:

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[3] 方峰.Al2O3f/Al 复合材料制备工艺和基体塑性对材料拉伸性能的影响[D].南京:东南大学材料科学与工程系,2000.
  Fang Feng.The effect of the fabrication processing or the matrix’s plastic behavior on aluminum composites’ mechanical properties[D].Nanjing:Department of Materials Science and Engineering,Southeast University,2000.(in Chinese)
[4] Aibin Ma,Toru Imura,Kazuhiro Kuzuya,et al.Fabrication of gradient distribution alumina short fibre reinforced aluminium alloy [J].J Mat Sci,1999,34:3813-3819.
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备注/Memo

备注/Memo:
基金项目: 江苏省“九五”重大工业攻关资助项目(BG 98011-2).
作者简介: 方峰(1976—),男,博士生; 蒋建清(联系人),男,博士,教授,博士生导师,jqjiang@seu.edu.cn.
更新日期/Last Update: 2002-05-20