Ti/Al multi-layered sheets: Differential speed rolling (Part B)
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In: Metals : open access journal , Vol. 6.2016, No. 2, 31, 02.02.2016.
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TY - JOUR
T1 - Ti/Al multi-layered sheets: Differential speed rolling (Part B)
AU - Romberg, Jan
AU - Freudenberger, Jens
AU - Watanabe, Hiroyuki
AU - Scharnweber, Juliane
AU - Eschke, Andy
AU - Kühn, Uta
AU - Klauß, Hansjörg
AU - Oertel, Carl Georg
AU - Skrotzki, Werner
AU - Eckert, Jürgen
AU - Schultz, Ludwig
PY - 2016/2/2
Y1 - 2016/2/2
N2 - Differential speed rolling has been applied to multi-layered Ti/Al composite sheets, obtained from accumulative roll bonding with intermediate heat treatments being applied. In comparison to conventional rolling, differential speed rolling is more efficient in strengthening the composite due to the more pronounced grain refinement. Severe plastic deformation by means of rolling becomes feasible if the evolution of common rolling textures in the Ti layers is retarded. In this condition, a maximum strength level of the composites is achieved, i.e., an ultimate tensile strength of 464 MPa, while the strain to failure amounts to 6.8%. The deformation has been observed for multi-layered composites. In combination with the analysis of the microstructure, this has been correlated to the mechanical properties.
AB - Differential speed rolling has been applied to multi-layered Ti/Al composite sheets, obtained from accumulative roll bonding with intermediate heat treatments being applied. In comparison to conventional rolling, differential speed rolling is more efficient in strengthening the composite due to the more pronounced grain refinement. Severe plastic deformation by means of rolling becomes feasible if the evolution of common rolling textures in the Ti layers is retarded. In this condition, a maximum strength level of the composites is achieved, i.e., an ultimate tensile strength of 464 MPa, while the strain to failure amounts to 6.8%. The deformation has been observed for multi-layered composites. In combination with the analysis of the microstructure, this has been correlated to the mechanical properties.
KW - Accumulative roll bonding
KW - Differential speed rolling
KW - Grain refinement
KW - Mechanical properties
KW - Microstructure
KW - Ti/Al multi-layered composites
UR - http://www.scopus.com/inward/record.url?scp=84958078509&partnerID=8YFLogxK
U2 - 10.3390/met6020031
DO - 10.3390/met6020031
M3 - Article
AN - SCOPUS:84958078509
VL - 6.2016
JO - Metals : open access journal
JF - Metals : open access journal
SN - 2075-4701
IS - 2
M1 - 31
ER -