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工艺参数对复合材料伪半固态触变模锻成形的影响
  • 期刊名称：哈尔滨工业大学材料科学与工程学院
  • 时间：0
  • 页码：283-287
  • 语言：中文
  • 分类：TG376[金属学及工艺—金属压力加工]
  • 作者机构：[1]哈尔滨工业大学材料科学与工程学院,哈尔滨150001
  • 相关基金：国家自然科学基金50705018及中国博士后科学基金20070420847资助项目.
  • 相关项目：Cu/W复合材料伪半固态近净成形技术应用基础研究
作者： 程远胜|罗守靖|
关键词： 复合材料, 伪半固态触变成形, 工艺参数, 影响, composites, thixoforging in pseudo-semi-solid state, technology parameter, influence
中文摘要：

采用基于粉末成形及半固态成形工艺而提出的伪半固态触变模锻成形工艺，成功制备出力学性能良好的Al／Al2O3复合材料桶制件，其中37％（体积分数）Al／Al2O3桶形件抗弯强度达570690MPa，断裂韧性达8．5—16．8MPa·m^1／2．测试结果表明，复合材料伪半固态触变模锻成形工艺参数，如成形温度、成形压力以及金属相体分率等对制件的性能具有较大的影响．研究结果有利于促进该工艺在高熔点材料或复合材料领域的实际应用．

英文摘要：

Al/Al2O3 cup shells with excellent mechanical properties were prepared successfully by thixoforging in pseudo-semi-solid state proposed based on the powder metallurgy technology and semi-solid metal forming process. Bend strength and fracture toughness of 37% （mass fraction） Al/Al2O3 are about 570-690 MPa and 8.5-16.8 MPa·m^1/2 respectively. It showed that the technology parameters have great influences on the mechanical properties. All results show that the composite presented is propitious to be used in more fields as the ceramic composites and high-melt point materials.

同期刊论文项目
Cu/W复合材料伪半固态近净成形技术应用基础研究
期刊论文 38 会议论文 5 获奖 3 专利 1
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