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[1]史振学,刘世忠,赵金乾.Mo含量对第四代单晶高温合金组织及稳定性的影响[J].有色金属科学与工程,2019,(01):67-71.[doi:10.13264/j.cnki.ysjskx.2019.01.011]
　SHI Zhenxue,LIU Shizhong,ZHAO Jinqian.Influence of Mo content on microstructure and stability of the fourth-generation single crystal superalloys[J].,2019,(01):67-71.[doi:10.13264/j.cnki.ysjskx.2019.01.011]
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Mo含量对第四代单晶高温合金组织及稳定性的影响(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2019年01期
页码:
67-71
栏目:
出版日期:
2019-01-20

文章信息/Info

Title:
Influence of Mo content on microstructure and stability of the fourth-generation single crystal superalloys
作者:
史振学; 　刘世忠; 　赵金乾
（北京航空材料研究院先进高温结构材料重点实验室, 北京100095）
Author(s):
SHI Zhenxue;  LIU Shizhong;  ZHAO Jinqian
(Science and Technology on Advanced High Temperature Structural Materials Laboratory, Beijing Institute of Aeronautical Materials, Beijing 100095, China)
关键词:
单晶高温合金;  第四代; Mo含量; 组织
分类号:
TG132.32
DOI:
10.13264/j.cnki.ysjskx.2019.01.011
文献标志码:
A
摘要:
为优化第四代单晶高温合金的Mo含量，在真空定向凝固炉中采用选晶法制备1 % Mo和3 % Mo的２种单晶高温合金, 采用JMatPro软件计算了不同Mo含量合金相图，通过扫描电镜和能谱仪研究Mo含量对合金凝固特征，铸态组织，热处理组织和1 100 ℃/1 000 h长期时效组织的影响. 结果表明，随着Mo含量增加，固液相线下移，糊状区变宽，γ相和TCP相含量增加；铸态合金中共晶含量减少，γ′相尺寸减小，其均匀化和立方化程度稍有增加；此外，热处理组织中γ′相立方化程度增加，长期时效组织中TCP相析出量增加，合金的组织稳定性下降.

参考文献/References:


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备注/Memo

备注/Memo:
收稿日期：2018-10-15
基金项目：国防基金资助项目（9140A18040115HK51248）
通信作者：史振学（1975- ），男,博士，高级工程师，主要从事单晶高温合金研究， E-mail:shizhenxue@126.com.
更新日期/Last Update: 2019-02-20