Effects of heat treatment on fracture mechanism of martensite/austenite MLS composite plates by hot roll bonding
Ding, Yun; Cao, Rui; Yan, Yingjie
2020-01-31
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume773
AbstractThe martensite/austenite MLS composite plates were fabricated by hot roll bonding of the alternately stacked 2Cr13 and 316L stainless steel plates. The effects of heat treatment on the microstructure transformation, interface behavior, tensile properties, fracture modes and failure mechanisms have been studied in depth. The microstructure of the composite plates is composed of austenite in 316L layers, martensite and a small amount of ferrite in 2Cr13 layers. After heat treatment, the microstructure of the composite plates changes from rolling texture to equiaxed grains. Most importantly, the recrystallization and thermal diffusion formed after heat treatment can effectively increase the overall plasticity of composite plates at the expense of small strength and hardness, improve the interface deformation compatibility and interfacial bonding strength, change the fracture mode from the quasi-cleavage fracture into the full dimple fracture, and fracture mechanism from the interface failure into the intralayer failure.
KeywordMultilayered steel composites Heat treatment Tensile properties Fracture mechanism
DOI10.1016/j.msea.2019.138727
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51761027][51675255]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000513985200054
PublisherELSEVIER SCIENCE SA
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64317
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 AuthorCao, Rui
AffiliationLanzhou Univ Technol, Dept Mat Sci & Engn, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
First Author AffilicationLanzhou University of Technology
Corresponding Author AffilicationLanzhou University of Technology
First Signature AffilicationLanzhou University of Technology
Recommended Citation
GB/T 7714
Ding, Yun,Cao, Rui,Yan, Yingjie. Effects of heat treatment on fracture mechanism of martensite/austenite MLS composite plates by hot roll bonding[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2020,773.
APA Ding, Yun,Cao, Rui,&Yan, Yingjie.(2020).Effects of heat treatment on fracture mechanism of martensite/austenite MLS composite plates by hot roll bonding.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,773.
MLA Ding, Yun,et al."Effects of heat treatment on fracture mechanism of martensite/austenite MLS composite plates by hot roll bonding".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 773(2020).
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