Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl

Bi-metallic laminates (bcc/fcc) containing Fe and either Cu, Ag, or Al were processed by cold accumulative roll bonding (ARB). The evolving microstructures and properties were measured using optical microcopy, electron backscatter diffraction (EBSD), and nano-indentation up to and beyond when layer...

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Autores principales:	Rodney J. McCabe, Thomas J. Nizolek, Nan Li, Yifan Zhang, Daniel R. Coughlin, Cody Miller, John S. Carpenter
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Accumulative roll bonding EBSD Nano-indentation Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/7d3507c86ca347d8baf5769e97d504a7
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spelling	oai:doaj.org-article:7d3507c86ca347d8baf5769e97d504a72021-11-12T04:24:32ZEvolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl0264-127510.1016/j.matdes.2021.110204https://doaj.org/article/7d3507c86ca347d8baf5769e97d504a72021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0264127521007590https://doaj.org/toc/0264-1275Bi-metallic laminates (bcc/fcc) containing Fe and either Cu, Ag, or Al were processed by cold accumulative roll bonding (ARB). The evolving microstructures and properties were measured using optical microcopy, electron backscatter diffraction (EBSD), and nano-indentation up to and beyond when layer instabilities are observed. The evolution of layer morphology, grain size, bulk texture, layer dependent texture, and layer dependent hardness is found to be both material dependent and layer location dependent. Ultimately, the evolving difference in layer hardness between Fe and the fcc metal resulting from the microstructure evolution causes the formation of layer instabilities with the FeAl exhibiting layer pinch-off at a total strain of 2.2, the FeAg developing shear band instabilities at a strain of 3.2, and the FeCu developing shear band instabilities at a strain of 4.5. These finding indicate that once the evolving strength ratio approaches two, processing changes, such as annealing or warm rolling, that improve the strength ratio or materials’ capacity for work hardening are necessary for further processing without layer instabilities.Rodney J. McCabeThomas J. NizolekNan LiYifan ZhangDaniel R. CoughlinCody MillerJohn S. CarpenterElsevierarticleAccumulative roll bondingEBSDNano-indentationMaterials of engineering and construction. Mechanics of materialsTA401-492ENMaterials & Design, Vol 212, Iss , Pp 110204- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Accumulative roll bonding EBSD Nano-indentation Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Accumulative roll bonding EBSD Nano-indentation Materials of engineering and construction. Mechanics of materials TA401-492 Rodney J. McCabe Thomas J. Nizolek Nan Li Yifan Zhang Daniel R. Coughlin Cody Miller John S. Carpenter Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl
description	Bi-metallic laminates (bcc/fcc) containing Fe and either Cu, Ag, or Al were processed by cold accumulative roll bonding (ARB). The evolving microstructures and properties were measured using optical microcopy, electron backscatter diffraction (EBSD), and nano-indentation up to and beyond when layer instabilities are observed. The evolution of layer morphology, grain size, bulk texture, layer dependent texture, and layer dependent hardness is found to be both material dependent and layer location dependent. Ultimately, the evolving difference in layer hardness between Fe and the fcc metal resulting from the microstructure evolution causes the formation of layer instabilities with the FeAl exhibiting layer pinch-off at a total strain of 2.2, the FeAg developing shear band instabilities at a strain of 3.2, and the FeCu developing shear band instabilities at a strain of 4.5. These finding indicate that once the evolving strength ratio approaches two, processing changes, such as annealing or warm rolling, that improve the strength ratio or materials’ capacity for work hardening are necessary for further processing without layer instabilities.
format	article
author	Rodney J. McCabe Thomas J. Nizolek Nan Li Yifan Zhang Daniel R. Coughlin Cody Miller John S. Carpenter
author_facet	Rodney J. McCabe Thomas J. Nizolek Nan Li Yifan Zhang Daniel R. Coughlin Cody Miller John S. Carpenter
author_sort	Rodney J. McCabe
title	Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl
title_short	Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl
title_full	Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl
title_fullStr	Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl
title_full_unstemmed	Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl
title_sort	evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of fecu, feag, and feal
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/7d3507c86ca347d8baf5769e97d504a7
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_version_	1718431298595323904

Evolution of microstructures and properties leading to layer instabilities during accumulative roll bonding of FeCu, FeAg, and FeAl

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