Advanced Engineering Materials

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Recently Published Articles

  1. Enhanced Heterogeneous Nucleation by Pulsed Magneto-Oscillation Treatment of Liquid Aluminum Containing Al3Ti1B Additions

    Dong Liang, Jie Sun, Tianyu Liu, Qijie Zhai, Gui Wang, David H. StJohn, Hongbiao Dong and Honggang Zhong

    Article first published online: 27 MAR 2015 | DOI: 10.1002/adem.201400488

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    Pulsed Magneto-Oscillation (PMO) can significantly reduce the grain size of commercially pure Al containing a range of Al3Ti1B mater alloy. The grain size dose not follow a linear relationship with 1/Q after PMO. The grain density is largely increased by PMO and directly proportional to Ti content.

  2. Multifunctional Engineering Aluminum Surfaces for Self-Propelled Anti-Condensation

    Xu Jin, Xiyao Zhang, Yun Peng, Moyuan Cao, He Liu, Xiaohan Pei, Kesong Liu and Lei Jiang

    Article first published online: 27 MAR 2015 | DOI: 10.1002/adem.201500046

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    Self-propelled motion is ubiquitous in nature. The spontaneous anti-condensation on low adhesive superamphiphobic engineered Al surface was reported arising from surface energy released upon drop coalescence. The resultant Al surface also demonstrated superior repellency toward various polar, nonpolar liquids, and even corrosive liquids, possessing anti-corrosion, and self-cleaning properties.

  3. TEM Study of Schottky Junctions in Reconfigurable Silicon Nanowire Devices

    Sayanti Banerjee, Markus Löffler, Uwe Muehle, Katarzyna Berent, Walter Weber and Ehrenfried Zschech

    Article first published online: 25 MAR 2015 | DOI: 10.1002/adem.201400577

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    In the paper, the nickel silicide phase forming the Schottky junction in a silicon nanowire device is identified and characterized using high resolution TEM and EDX line scan. The sample was prepared using a lift-out process in FIB and corresponding low accelerating voltage ion milling. The EDX line scan data is provides a comprehensive idea about the structure of the Schottky junction, which is essential for the engineering and theoretical modeling of the said junction.

  4. Carbon Fiber/Carbon Nanotube Buckypaper Interply Hybrid Composites: Manufacturing Process and Tensile Properties

    Shaokai Wang, Rebekah Downes, Charles Young, David Haldane, Ayou Hao, Richard Liang, Ben Wang, Chuck Zhang and Rob Maskell

    Article first published online: 19 MAR 2015 | DOI: 10.1002/adem.201500034

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    Carbon nanotube sheet was successfully integrated into carbon fiber composites to create hybrid multifunctional structural composite materials. In this study, nano/micro dual-scale resin flow characteristics and quality control in the autoclave process of manufacturing hybrid composite laminates were investigated. This hybrid composites had competitive strength and modulus, and resulted in dramatic improvements in both in-plane and through-thickness electrical conductivities.

  5. Gradient Structure in High Pressure Torsion Compacted Iron Powder

    Yajun Zhao, Roxane Massion, Thierry Grosdidier and Laszlo S. Toth

    Article first published online: 19 MAR 2015 | DOI: 10.1002/adem.201500012

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    High Pressure Torsion (HPT) technique is a promising and efficient process for consolidating metal powders by imposing severe shear deformation and high hydrostatic pressure to the samples. Iron powder is compacted successfully into solid disk by HPT at room temperature. The homogeneity of shear strain across the thickness of the disk displays a gradient distribution. The strain gradient leads to the formation of three regions throughout the thickness of the dsisk: Region U, that is Undeformed in torsion (top part – in contact with the fixed punch), Region T, Transition or intermediate region where the shear strain is increasing, and Region S, which is Severely deformed (bottom part in contact with the rotating die) which is uniformly and heavily sheared. The microstructure and Vickers hardness in the three regions show a non-uniform distribution, corresponding to the strain gradient.