Study on modalities and microdefects of Al-Cu bimetallic tube by underwater explosive cladding

• Autorzy: Yu, Yong , Xu, Peibao , Li, Kai , Zhao, Jun , Dai, Yuntong , Ma, Honghao , Yang, Ming
• Języki publikacji: EN

Abstrakty

EN

In this study, a screwed copper tube was cladded an aluminum tube by a new explosive cladding method. To study the modalities of the bonding interface, a light microscope was used to observe the bonding interface. To expose the weak position of the interface, a three-point bending test was conducted under extreme condition. Then the BSE (Backscattering Electron) images of the bent interfaces were obtained. Meanwhile, the EDS (Energy Disper-sive Spectrometry) analyses of the melted zone were performed. The results of the light microscopic observations show that there are four bonding modalities on the interface. They can be summarized to two bonding modalities: direct bonding and bonding with the melted zone. There are no macro cracks on the interface of the bent specimens, which represents a reliable joining generally. The elastic modulus of Al-Cu bimetallic tube along the axial direction is 85.2Gpa. The BSE images, the EDS analyses and the microhardness tests show the direct bonding with some characteristics of the micro wavy interface is a pretty nice bonding pattern. The melted zone composed of CuAl2 is a weak bonding pattern, which may affect the mechanical property of the joint.

Słowa kluczowe

PL

kompozyty; mikrostruktury; rura bimetaliczna

EN

metal-matrix composites; helical explosive cladding; microstructures; intermetallic; bonding interface

• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 4
• Strony: 1390--1398
• Opis fizyczny: Bibliogr. 29 poz., rys., tab.

Twórcy

autor

Yu, Yong

• Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China,

autor

Xu, Peibao

• Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China

autor

Li, Kai

• Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China

autor

Zhao, Jun

• Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China

autor

Dai, Yuntong

• Department of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China

autor

Ma, Honghao

• CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230027, China
• State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui 230026, China

autor

Yang, Ming

• CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230027, China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)

Identyfikatory

DOI

10.1016/j.acme.2019.09.002