Novel hybrid laser forging and arc additive repairing process for improving component performances

Zhang, Yongkang; Wu, Dongsheng; Xie, Dihui et al.

International Journal of Heat and Mass Transfer, 2023, 212, 124289

Number of Access:841（2025-07-18 09:50 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/91340

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Title
Novel hybrid laser forging and arc additive repairing process for improving component performances
Creator
CreatorName
Zhang, Yongkang
researchmap permalink
dongshengwu dongshengwu
Scopus Author ID
56970082700 56970082700
CreatorName
Wu, Dongsheng
CreatorName
Xie, Dihui
CreatorName
Wu, Hebin
CreatorName
Lin, Chaohui
CreatorName
Zhang, Qi
CreatorName
Ke, Jinlong
CreatorName
Tan, Guibin
NRID
1000010263328 1000010263328
ORCID
0000-0002-8088-4154 0000-0002-8088-4154
researchmap permalink
ma.ninshu ma.ninshu
Scopus Author ID
36343934100 36343934100
CreatorName
Ma, Ninshu
CreatorName
Guo, Yanbing
Subject
Hybrid laser forging and arc additive repairing process
Laser forging
Laser peening
Martensite transformation
Multi-physical simulation
Abstract
A new hybrid laser forging and arc additive repairing process was developed to significantly improve the performance of repaired components, in which a leading gas metal arc was adopted to repair the partially damaged component, and a trailing short-pulse laser directly acted on the high-temperature solidified metal without coating (laser forging). Compared with arc additive repairing with post-treatment, this hybrid process performed the arc repair and laser forging synchronously. The laser forging region can be accurately determined using a multi-physical molten pool simulation. The molten metal flow was also studied, indicating that the high sulfur content introduced by the filler metal transfer had a significant influence on the Marangoni stress distribution and thus changed the molten metal flow patterns. The mechanism for laser forging without coating and its related physical effects were investigated. The laser shock pressure was significantly higher than the Hugonoit elastic limit of the high-temperature solidified metal, causing plastic deformation of the repaired layer. The high strain and severe plastic deformation induced by laser forging caused martensite formation and grain refinement, which improved the mechanical properties and electrochemical corrosion performance of the repaired layer.
Publisher
Elsevier Ltd
Source Title
International Journal of Heat and Mass Transfer
Volume (Issue)
212
Page
124289
Date of Issued
2023-05-15
Language
English
Handle URL
https://hdl.handle.net/11094/91340
PISSN
00179310
NCID
AA00680396
Relation.isVersionOf
DOI (Publisher Version)
https://doi.org/10.1016/j.ijheatmasstransfer.2023.124289
Access Rights
open access
CopyRight
© 2023. This manuscript version is made available undera Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
oaire:version
Accepted Manuscript
Category
学術雑誌論文 Journal Article