A Mechanism for the Evolution of Hot Compression Cracking in Inconel 625 Alloy Ingot With Respect to Grain Growth
Jia, Zhi1,2; Gao, Zexi1; Ji, Jinjin3
2020-04-02
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
AbstractHot compression cracking of as-cast Inconel 625 alloy is investigated utilizing high temperature and high strain rate compression tests. The formation mechanism of the hot crack is systematically investigated based on grain growth and crystal slipping. Scanning electron microscopy (SEM) and electron backscattered diffraction (EBSD) analysis are used to characterize the crack morphology and microstructure. SEM results showed that the hot cracking during hot compression of Inconel 625 alloy is determined to be quasi-cleavage fracture. The formation of carbide (NbC) plays a key role in the formation and propagation of the hot crack. The various slip systems activation strongly contributes to the overall growth of the dynamic recrystallization (DRX) grains. In addition, subgranular boundary formation within the grown grains is attribution to various slip systems activation in different local regions. The initiation and propagation of the hot compression cracks in Inconel 625 alloy depend on the development of the subgranular boundary within the grown grain.
Keywordcracking grain growth Inconel 625 subgranular boundaries
DOI10.1002/adem.201901445
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[51665032] ; Science Foundation for Distinguished Young Scholars of Gansu Province[18JR3RA134] ; Lanzhou University of Technology Support plan for Excellent Young Scholars[CGZH001]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000523196700001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64135
Collection材料科学与工程学院
省部共建有色金属先进加工与再利用国家重点实验室
Corresponding AuthorJia, Zhi
Affiliation1.Lanzhou Univ Technol, Sch Mat Sci & Engn, 287 Langongping Rd, Lanzhou 730050, Peoples R China
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
3.Lanzhou Inst Technol, Sch Mat Engn, Lanzhou 730050, Peoples R China
First Author AffilicationColl Mat Sci & Engn;  State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Corresponding Author AffilicationColl Mat Sci & Engn;  State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
First Signature AffilicationColl Mat Sci & Engn
Recommended Citation
GB/T 7714
Jia, Zhi,Gao, Zexi,Ji, Jinjin. A Mechanism for the Evolution of Hot Compression Cracking in Inconel 625 Alloy Ingot With Respect to Grain Growth[J]. ADVANCED ENGINEERING MATERIALS,2020.
APA Jia, Zhi,Gao, Zexi,&Ji, Jinjin.(2020).A Mechanism for the Evolution of Hot Compression Cracking in Inconel 625 Alloy Ingot With Respect to Grain Growth.ADVANCED ENGINEERING MATERIALS.
MLA Jia, Zhi,et al."A Mechanism for the Evolution of Hot Compression Cracking in Inconel 625 Alloy Ingot With Respect to Grain Growth".ADVANCED ENGINEERING MATERIALS (2020).
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