Fracture of laminates combining 2024-T3 and 7075-T6 aluminum alloys

Alic, J. A.; Danesh, A.

doi:10.1016/0013-7944(78)90001-2

Cited by 11 publications

(5 citation statements)

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“…Mechanical properties of layered structures under cyclic loading can substantially differ from the theoretical prediction based on the behavior of the individual materials and on the rule of mixture . It was observed, that the microstructure of the bond zone in clad strips substantially changes the character of crack propagation under the cyclic loading .…”

Section: Introductionmentioning

confidence: 92%

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Manufacturing and Characterization of Twin‐Roll Cast Aluminum‐Steel Clad Strips

2018

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The manufacturing of clad strips by means of twin-roll casting is a prospective trend regarding the production of lightweight materials. This study is dedicated to an analysis of bond formation conditions during the twin-roll casting of clad strips of aluminum EN AW-1070 and an austenitic stainless steel 1.4301. The procedures of steel substrate preparation and their influence on the diffusion bond are investigated. These include surface pretreatment of the steel substrate by means of mechanical grinding and laser irradiation as well as its pre-heating. Using the different sets of process parameters, the clad strips with a thickness of 2.5 mm are manufactured and characterized. Light and electron microscopy are used to characterize the microstructure of the aluminum layer and the bond zone and to investigate the mechanism of bond formation. The evaluation of the strips' properties is carried out by means of adhesive tensile tests, peeling tests, uniaxial tensile tests, and fatigue tests. The influence of each of the substrate preparation methods as well as post heat treatment on the parameters of bond zone and the mechanical properties of the clad strip is investigated. The implementation of the investigated manufacturing method allows producing thin clad strips with excellent characteristics.

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Section: Introductionmentioning

confidence: 92%

“…Due to their brittleness, the intermetallic phases of the Fe–Al system can initiate formation of cracks between the single strip layers . On the other hand, soft and ductile interlayer can serve as a crack stopper in multilayer structures …”

Section: Introductionmentioning

confidence: 99%

Manufacturing and Characterization of Twin‐Roll Cast Aluminum‐Steel Clad Strips

2018

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“…Studies have shown that aluminum laminates are capable to enhance mechanical behavior of their constituent materials [1,[7][8][9][10]. For example, Alic and Danesh [1] reported R curve behavior in an Al laminate, while such a behavior was not seen in the monolithic material. In another study, the outstanding enhancement of impact toughness of aluminum laminate compared to the monolithic material was shown [10].…”

Section: Introductionmentioning

confidence: 97%

“…Among different materials introduced for multilayer fabrication, aluminum alloys are preferred candidates due to their reasonable mechanical properties and low cost [5]. Studies have shown that aluminum laminates are capable to enhance mechanical behavior of their constituent materials [1,[7][8][9][10]. For example, Alic and Danesh [1] reported R curve behavior in an Al laminate, while such a behavior was not seen in the monolithic material.…”

Section: Introductionmentioning

confidence: 98%

“…Laminated structures are promising as an important class of materials for improved fracture toughness [1,2], damage tolerance [3], impact behavior [4], damping [5], and fatigue resistance [6]. Among different materials introduced for multilayer fabrication, aluminum alloys are preferred candidates due to their reasonable mechanical properties and low cost [5].…”

Section: Introductionmentioning

confidence: 99%

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