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Recently Published Articles

  1. Identification of the Norton-Green Compaction Model for the Prediction of the Ti–6Al–4V Densification During the Spark Plasma Sintering Process

    Charles Manière, Ugras Kus, Lise Durand, Ronan Mainguy, Julitte Huez, Denis Delagnes and Claude Estournès

    Version of Record online: 22 AUG 2016 | DOI: 10.1002/adem.201600348

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    An in situ SPS identification, using a complete and non-reductive method, of the Norton-Green law is performed on a Ti–6Al–4V materials. The identified model is tested on two independent SPS experiments for the densification of this powder material and shows very good prediction of the experimental sintering trajectory.

  2. In Situ Curing and Out-of-Autoclave of Interply Carbon Fiber/Carbon Nanotube Buckypaper Hybrid Composites Using Electrical Current

    Nam Nguyen, Ayou Hao, Jin Gyu Park and Richard Liang

    Version of Record online: 19 AUG 2016 | DOI: 10.1002/adem.201600307

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    Hybrid composite including carbon nanotube sheets and carbon fiber prepregs is in situ cured by applying electrical current to carbon nanotube layers. The relationship between input current and composite temperature is explored. Fully cured samples show low void content and good storage modulus. In situ curing is demonstrated as energy saving technique to fabricate multifunctional composite.

  3. Enhanced Grain Refinement and Porosity Control of the Polycrystalline Superalloy by a Modified Thermally Controlled Solidification

    Ziqi Jie, Jun Zhang, Taiwen Huang, Haijun Su, Yafeng Li, Lin Liu, Wenchao Yang and Hengzhi Fu

    Version of Record online: 17 AUG 2016 | DOI: 10.1002/adem.201600320

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    A technique combined a modified thermally controlled solidification process (MTCS) with mixed refiner is designed to enhance grain refinement and restrain porosity in polycrystalline superalloy castings. In comparison to the conventional casting process (CC), the technique significantly refines grain size, almost eliminates porosities, and dramatically improves the mechanical properties.

  4. Superconducting Resonators Based on TiN/Tapering/NbN/Tapering/TiN Heterostructures

    Yong-Chao Tang, Hui Zhang, Sangil Kwon, Hamid R. Mohebbi, David G. Cory, Li-Cong Peng, Lin Gu, Hai-Zhong Guo, Kui-Juan Jin and Guo-Xing Miao

    Version of Record online: 17 AUG 2016 | DOI: 10.1002/adem.201600226

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    We grow and characterize novel composite films of TiN/Tapering/NbN/Tapering/TiN on c-cut sapphire substrate. The tapering layer is a gradual transition between TiN and NbN so that no distinct interface exists. A micro-strip resonator is fabricated and its intrinsic quality factors from the composite film under 16 mK is over 9 000 at 0 field and 5 300 under 100 mK at 0.35 T. The resonators are designed to support electron spin resonance for sensing and quantum information processing.

  5. Preparation and Interface Investigation of Fe/Al2O3P Composite Activated by Ni and Ti

    Shuli Tang, Yimin Gao, Yefei Li and Qiaoling Zheng

    Version of Record online: 9 AUG 2016 | DOI: 10.1002/adem.201600302

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    Ceramic particles preforms are synthesized by vacuum sintering reaction between Al2O3 particles and Ni–Ti complex powders. Then the Cr15 matrix composite is fabricated by infiltration casting process. The preforms sintered by Al2O3 and Ni–Ti have high compressive strength, and the three-body abrasive wear resistance of composite is over 12 times higher than Cr15.

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