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材料工程  2013 

高温合金空心叶片精密铸造用陶瓷型芯与型壳的研究现状

DOI: 10.3969/j.issn.1001-4381.2013.08.014, PP. 85-91

Keywords: 陶瓷型芯,陶瓷型壳,高温合金,空心叶片,熔模铸造

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Abstract:

介绍了高温合金空心叶片熔模铸造用陶瓷型芯与型壳的应用背景,及其对于高温合金空心叶片精密成形的重要意义,概述了采用熔模铸造工艺制备高温合金空心叶片对陶瓷型芯与型壳各项性能的基本要求;并指明了陶瓷型芯与型壳今后的发展方向。分别叙述了陶瓷型芯与型壳基体材料的选择、制备工艺及其对性能的影响,介绍了陶瓷型芯脱除工艺的研究进展及存在的问题。另外,对于陶瓷型芯与型壳定位的精确度、性能匹配性对高温合金空心叶片质量影响进行了评述。

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