Layer Stability and Material Properties of Friction-Stir Welded Cu–Nb Nanolamellar Composite Plates

Cobb, Josef; Vachhani, Shraddha J.; Dickerson, Robert M.; Dickerson, P.; Han, Wei‐Zhong; Mara, Nathan A.; Carpenter, John S.; Schneider, Judy

doi:10.1080/21663831.2014.918567

Cited by 2 publications

(2 citation statements)

References 34 publications

(50 reference statements)

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“…In the case of robustness in structural properties, thermal stability tests show similar potential for future work into thermal creep [91,92], high-temperature processing (e.g. hot rolling), joining [93], and elevated-temperature forming.…”

Section: Recommendations For Future Developments and Studiesmentioning

confidence: 93%

Interface-dominant multilayers fabricated by severe plastic deformation: Stability under extreme conditions

Mara

Beyerlein

2015

Current Opinion in Solid State and Materials Science

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Over the past 3-5 years, the ability to process interface dominant nanolayered bimetallic composites in bulk quantities has opened new opportunities for investigations into structural material behavior under extreme strains. This article reviews the emergence of mechanically stable, predominant bimetallic interface characters during nanomaterial synthesis via Accumulative Roll Bonding, a severe plastic deformation technique. This processing method itself imposes an extreme condition. We show that the interfaces that are naturally selected by this extreme operation remarkably prove to be stable under exposure to other extreme conditions, including elevated temperatures and ion irradiation. Through control of synthesis pathways, interfaces of the desired atomic structure can be manufactured using scalable thermomechanical processing techniques. This, in turn, opens unprecedented new possibilities for designing bulk materials with interface-dominant properties including enhanced strength, deformability, thermal stability, and radiation damage tolerance.

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Section: Recommendations For Future Developments and Studiesmentioning

confidence: 93%

Interface-dominant multilayers fabricated by severe plastic deformation: Stability under extreme conditions

Mara

Beyerlein

2015

Current Opinion in Solid State and Materials Science

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“…In addition to forming, joining techniques will likely be required for any structural application. A recent investigation has shown that friction stir welding is a promising method for joining nanolaminates material, offering a high strength alternative to joining methods such as brazing [6]. Many investigations on deformation behavior and joining techniques would have been impossible to perform on thin-film nanolaminates; such studies have become feasible and relevant only with the advent of bulk nanolaminates synthesized using the ARB process.…”

Section: Introductionmentioning

confidence: 98%

Processing and Deformation Behavior of Bulk Cu–Nb Nanolaminates

Nizolek

Mara

Beyerlein

et al. 2014

Metallogr. Microstruct. Anal.

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Metallic nanolaminates, composed of alternating layers of two dissimilar metals, have attracted significant attention due to both their high strengths and their potential for excellent microstructural stability. While nanolaminates have traditionally been available only in thin-film form, advances in the severe plastic deformation process of accumulative roll bonding (ARB) have enabled the production of 4-mm-thick sheets of copper-niobium nanolaminates containing over 200,000 individual layers (a nominal layer thickness of\20 nm). The ability to produce bulk nanolaminates has greatly expanded the potential applications for these materials and has motivated investigations into formability, deformation behavior, and joining techniques. This paper presents an overview of both the ARB processing technique and recent investigations into the deformation behavior of these novel materials.

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Layer Stability and Material Properties of Friction-Stir Welded Cu–Nb Nanolamellar Composite Plates

Cited by 2 publications

References 34 publications

Interface-dominant multilayers fabricated by severe plastic deformation: Stability under extreme conditions

Interface-dominant multilayers fabricated by severe plastic deformation: Stability under extreme conditions

Processing and Deformation Behavior of Bulk Cu–Nb Nanolaminates

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