中文版 | English
Title

Additive manufacturing of Ni-based superalloys: Residual stress, mechanisms of crack formation and strategies for crack inhibition

Author
Corresponding AuthorLu,Jian; Zhu,Qiang
Publication Years
2022
DOI
Source Title
ISSN
2096-6482
EISSN
2589-9651
Volume5Issue:1
Abstract
The additive manufacturing (AM) of Ni-based superalloys has attracted extensive interest from both academia and industry due to its unique capabilities to fabricate complex and high-performance components for use in high-end industrial systems. However, the intense temperature gradient induced by the rapid heating and cooling processes of AM can generate high levels of residual stress and metastable chemical and structural states, inevitably leading to severe metallurgical defects in Ni-based superalloys. Cracks are the greatest threat to these materials’ integrity as they can rapidly propagate and thereby cause sudden and non-predictable failure. Consequently, there is a need for a deeper understanding of residual stress and cracking mechanisms in additively manufactured Ni-based superalloys and ways to potentially prevent cracking, as this knowledge will enable the wider application of these unique materials. To this end, this paper comprehensively reviews the residual stress and the various mechanisms of crack formation in Ni-based superalloys during AM. In addition, several common methods for inhibiting crack formation are presented to assist the research community to develop methods for the fabrication of crack-free additively manufactured components.
Keywords
URL[Source Record]
Indexed By
EI ; ESCI
Language
English
SUSTech Authorship
Corresponding
Funding Project
National Key Research and Development Program of China[2017YFB0702901];National Natural Science Foundation of China[52074157];National Natural Science Foundation of China[91860131];Science, Technology and Innovation Commission of Shenzhen Municipality[JCYJ20170817111811303];Science, Technology and Innovation Commission of Shenzhen Municipality[KQTD20170328154443162];Science, Technology and Innovation Commission of Shenzhen Municipality[ZDSYS201703031748354];
WOS Research Area
Science & Technology - Other Topics ; Materials Science
WOS Subject
Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Accession No
WOS:000973276600001
Publisher
EI Accession Number
20223712734907
EI Keywords
3D printers ; Additives ; Cracks ; Nickel alloys ; Superalloys
ESI Classification Code
Metallurgy and Metallography:531 ; Nickel Alloys:548.2 ; Printing Equipment:745.1.1 ; Chemical Agents and Basic Industrial Chemicals:803
Scopus EID
2-s2.0-85137690636
Data Source
Scopus
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/402414
DepartmentDepartment of Mechanical and Energy Engineering
前沿与交叉科学研究院
Affiliation
1.CityU-Shenzhen Futian Research Institute,Shenzhen,518045,China
2.Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
3.Department of Mechanical Engineering,Shenyang National Laboratory for Materials Science,Greater Bay Joint Division,City University of Hong Kong,Kowloon,Tat Chee Avenue,Hong Kong
4.School of Materials and Energy,Guangdong University of Technology,Guangzhou,510006,China
5.Academy for Advanced Interdisciplinary Studies,Southern University of Science and Technology,Shenzhen,518055,China
First Author AffilicationDepartment of Mechanical and Energy Engineering
Corresponding Author AffilicationDepartment of Mechanical and Energy Engineering
Recommended Citation
GB/T 7714
Guo,Chuan,Li,Gan,Li,Sheng,et al. Additive manufacturing of Ni-based superalloys: Residual stress, mechanisms of crack formation and strategies for crack inhibition[J]. Nano Materials Science,2022,5(1).
APA
Guo,Chuan.,Li,Gan.,Li,Sheng.,Hu,Xiaogang.,Lu,Hongxing.,...&Zhu,Qiang.(2022).Additive manufacturing of Ni-based superalloys: Residual stress, mechanisms of crack formation and strategies for crack inhibition.Nano Materials Science,5(1).
MLA
Guo,Chuan,et al."Additive manufacturing of Ni-based superalloys: Residual stress, mechanisms of crack formation and strategies for crack inhibition".Nano Materials Science 5.1(2022).
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