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Effect of Sand Blasting on Single Crystal Superalloy M4761

Received: 8 July 2019     Published: 27 August 2019
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Abstract

In this paper, the recrystallization evolution of single crystal superalloy M4761 at different solid solution temperatures after different sandblasting stress and different blasting time is studied. The results show that the sample is treated by solution treatment after blasting. When the solution temperature reaches the γ' phase dissolution temperature, the depth of the recrystallized layer increases rapidly, and the γ' phase dissolution temperature is not reached. The depth of the recrystallized layer grows slowly or Recrystallization does not occur; the depth of the recrystallized layer increases with the blasting time; but as time increases, the growth rate gradually becomes slower overall; the solid solution effect of the single crystal superalloy M4761 is best around 1180°C, a fine γ' phase is obtained and the structure is uniform; the grain boundary is composed of a coarse γ' phase, and the recrystallized region gradually increases in size from the edge of the sample to the grain boundary.

Published in Science Discovery (Volume 7, Issue 4)
DOI 10.11648/j.sd.20190704.20
Page(s) 232-238
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Recrystallization, Solution Treatment, M4761, Sand Blasting

References
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[3] 孙永辉,高强,唐晓华,等.DD5单晶高温合金在长期时效和持久性能试验中的γ’相演化.[J]铸造,2018.1-3。
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[5] 曲彦平,刘丽荣,祖国庆,等.DD6单晶高温合金热处理过程中的再结晶组织演化[J].材料工程,2011,(8):14-18。
[6] BOND S D, MARTIN JW.Surface recrystallization in asingle crystal nickel-based superalloys [A]. Superalloys 2000 [C]. Warrendale: TMS, 2000. 229-238.
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[10] 杨富民, 孙晓峰, 管恒荣等. K40S 钴基高温合金的高温低周疲劳行为-疲劳性能[J]. 金属学报,2002, 38 (10): 1047-1052。
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[12] Wang L, Xie G, Lou L H. Effect of carbon content on the recrystallization of a single crystal nickel-based superalloy [J].Materials letter,2013,109: 154- 157。
[13] Shi Z X, Liu S Z, Wang X G, et al. Effects of heat treatment on surface recrystallization and stress rupture properties of a fourth-generation single-crystal superalloy after grit blasting [J].Acta Metallurgica Sinica (English Letters), 2017, 30 (7): 614-620.
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Cite This Article
  • APA Style

    Lin Xiaohu, Guo Weihua, Zhang Qiongyuan, Wei Xianping, Gong Xiufang, et al. (2019). Effect of Sand Blasting on Single Crystal Superalloy M4761. Science Discovery, 7(4), 232-238. https://doi.org/10.11648/j.sd.20190704.20

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    ACS Style

    Lin Xiaohu; Guo Weihua; Zhang Qiongyuan; Wei Xianping; Gong Xiufang, et al. Effect of Sand Blasting on Single Crystal Superalloy M4761. Sci. Discov. 2019, 7(4), 232-238. doi: 10.11648/j.sd.20190704.20

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    AMA Style

    Lin Xiaohu, Guo Weihua, Zhang Qiongyuan, Wei Xianping, Gong Xiufang, et al. Effect of Sand Blasting on Single Crystal Superalloy M4761. Sci Discov. 2019;7(4):232-238. doi: 10.11648/j.sd.20190704.20

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  • @article{10.11648/j.sd.20190704.20,
      author = {Lin Xiaohu and Guo Weihua and Zhang Qiongyuan and Wei Xianping and Gong Xiufang and Yang Gongxian and Xi Shengqi},
      title = {Effect of Sand Blasting on Single Crystal Superalloy M4761},
      journal = {Science Discovery},
      volume = {7},
      number = {4},
      pages = {232-238},
      doi = {10.11648/j.sd.20190704.20},
      url = {https://doi.org/10.11648/j.sd.20190704.20},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20190704.20},
      abstract = {In this paper, the recrystallization evolution of single crystal superalloy M4761 at different solid solution temperatures after different sandblasting stress and different blasting time is studied. The results show that the sample is treated by solution treatment after blasting. When the solution temperature reaches the γ' phase dissolution temperature, the depth of the recrystallized layer increases rapidly, and the γ' phase dissolution temperature is not reached. The depth of the recrystallized layer grows slowly or Recrystallization does not occur; the depth of the recrystallized layer increases with the blasting time; but as time increases, the growth rate gradually becomes slower overall; the solid solution effect of the single crystal superalloy M4761 is best around 1180°C, a fine γ' phase is obtained and the structure is uniform; the grain boundary is composed of a coarse γ' phase, and the recrystallized region gradually increases in size from the edge of the sample to the grain boundary.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Effect of Sand Blasting on Single Crystal Superalloy M4761
    AU  - Lin Xiaohu
    AU  - Guo Weihua
    AU  - Zhang Qiongyuan
    AU  - Wei Xianping
    AU  - Gong Xiufang
    AU  - Yang Gongxian
    AU  - Xi Shengqi
    Y1  - 2019/08/27
    PY  - 2019
    N1  - https://doi.org/10.11648/j.sd.20190704.20
    DO  - 10.11648/j.sd.20190704.20
    T2  - Science Discovery
    JF  - Science Discovery
    JO  - Science Discovery
    SP  - 232
    EP  - 238
    PB  - Science Publishing Group
    SN  - 2331-0650
    UR  - https://doi.org/10.11648/j.sd.20190704.20
    AB  - In this paper, the recrystallization evolution of single crystal superalloy M4761 at different solid solution temperatures after different sandblasting stress and different blasting time is studied. The results show that the sample is treated by solution treatment after blasting. When the solution temperature reaches the γ' phase dissolution temperature, the depth of the recrystallized layer increases rapidly, and the γ' phase dissolution temperature is not reached. The depth of the recrystallized layer grows slowly or Recrystallization does not occur; the depth of the recrystallized layer increases with the blasting time; but as time increases, the growth rate gradually becomes slower overall; the solid solution effect of the single crystal superalloy M4761 is best around 1180°C, a fine γ' phase is obtained and the structure is uniform; the grain boundary is composed of a coarse γ' phase, and the recrystallized region gradually increases in size from the edge of the sample to the grain boundary.
    VL  - 7
    IS  - 4
    ER  - 

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Author Information
  • State Key Laboratory of Long Life and High Temperature Materials, Dongfang Electric Group Dongfang Steam Turbine Co., Ltd., Deyang, China

  • State Key Laboratory of Long Life and High Temperature Materials, Dongfang Electric Group Dongfang Steam Turbine Co., Ltd., Deyang, China

  • State Key Laboratory of Long Life and High Temperature Materials, Dongfang Electric Group Dongfang Steam Turbine Co., Ltd., Deyang, China

  • State Key Laboratory of Long Life and High Temperature Materials, Dongfang Electric Group Dongfang Steam Turbine Co., Ltd., Deyang, China

  • State Key Laboratory of Long Life and High Temperature Materials, Dongfang Electric Group Dongfang Steam Turbine Co., Ltd., Deyang, China

  • State Key Laboratory of Long Life and High Temperature Materials, Dongfang Electric Group Dongfang Steam Turbine Co., Ltd., Deyang, China

  • School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, China

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