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作者:

Liu, Kun (Liu, Kun.) | Yan, Zhaoyang (Yan, Zhaoyang.) | Wang, Fude (Wang, Fude.) | Li, Kaixin (Li, Kaixin.) | Lin, Sanbao (Lin, Sanbao.) | Chen, Shujun (Chen, Shujun.)

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EI Scopus SCIE

摘要:

Arc oscillation is an important process parameter that can significantly improve the quality of the de-position. However, the mechanism and characteristics of arc oscillation on the microstructure and me-chanical properties are unclear during wire arc additive manufacturing (WAAM) process. In this study, the microstructure evolution and mechanical properties of GH4169 superalloy fabricated by WAAM with arc oscillation were investigated and compared with the corresponding as deposited samples. Results showed that the tensile properties (ultimate tensile strength and yield strength) of the deposition with arc oscil-lation were improved with retention in elongation above 45%. With the arc oscillation, Laves phase was significantly suppressed and the content of Laves phase decreased. Further, arc oscillation induced texture randomization with lower texture intensity (10.15 mud), achieving a prominent reduction by 36.7%. From the present study, it is evident that arc oscillation during WAAM is a potential manufacturing route that can effectively tailor the microstructure. & COPY; 2023 Elsevier B.V. All rights reserved.

关键词:

Mechanical properties Wire Arc Additive Manufacturing (WAAM) GH4169 superalloy Arc oscillation Microstructure

作者机构:

  • [ 1 ] [Liu, Kun]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 2 ] [Yan, Zhaoyang]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 3 ] [Chen, Shujun]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Fude]Capital Aerosp Machinery Corp Ltd, Beijing 100076, Peoples R China
  • [ 5 ] [Li, Kaixin]Capital Aerosp Machinery Corp Ltd, Beijing 100076, Peoples R China
  • [ 6 ] [Yan, Zhaoyang]Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
  • [ 7 ] [Lin, Sanbao]Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China

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来源 :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

年份: 2023

卷: 952

6 . 2 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:26

被引次数:

WoS核心集被引频次: 26

SCOPUS被引频次: 29

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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