| Al2O3型壳与DD6单晶合金的界面反应 |
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| 引用本文： | 姚建省,李鑫,王丽丽,牛书鑫,刘晓光,唐定中,曹春晓.Al2O3型壳与DD6单晶合金的界面反应[J].稀有金属材料与工程,2018,47(3):840-845. |
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| 作者姓名： | 姚建省 李鑫 王丽丽 牛书鑫 刘晓光 唐定中 曹春晓 |
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| 作者单位： | 北京航空材料研究院先进高温结构材料重点实验室 |
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| 摘 要： | 采用SEM、EDS、XRD等手段研究了DD6单晶合金与陶瓷型壳的界面反应。结果表明,DD6高温合金与Al_2O_3型壳的黑色界面反应产物主要是α-Al_2O_3,并伴有FeCr_2O_4、(Fe,Ni)固溶体等多种成分相,界面反应层的厚度一般为5～6μm;界面反应后陶瓷型壳内表面出现了TaO、NiO、HfO_2等多种反应产物;降低表面粗糙度、控制型壳矿化剂中的Fe_2O_3杂质含量,能够有效抑制界面反应的产生。
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| 关 键 词： | DD6单晶合金 Al2O3陶瓷型壳 界面反应 |
| 收稿时间： | 2016/1/13 0:00:00 |
| 修稿时间： | 2016/2/1 0:00:00 |
Interface Reactions between DD6 Single Crystal Superalloy and Al2O3 Molds |
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| Yao Jiansheng,Li Xin,Wang Lili,Niu Shuxin,Liu Xiaoguang,Tang Dingzhong and Cao Chunxiao.Interface Reactions between DD6 Single Crystal Superalloy and Al2O3 Molds[J].Rare Metal Materials and Engineering,2018,47(3):840-845. |
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| Authors: | Yao Jiansheng Li Xin Wang Lili Niu Shuxin Liu Xiaoguang Tang Dingzhong and Cao Chunxiao |
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| Affiliation: | Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials,Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials,Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials,Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials,Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials,Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials,Science and Technology on Advanced High Temperature Structural Materials Laboratory,Beijing Institute of Aeronautical Materials |
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| Abstract: | |
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| Keywords: | DD6 single crystal superalloy Al2O3 ceramic mold interface reaction |
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