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Recently Published Articles

  1. Influence of Ultrafine-Grained Layer on Gaseous Nitriding of Large-Sized Titanium Plate

    Quantong Yao, Jian Sun, Guanglan Zhang, Weiping Tong and Liang Zuo

    Version of Record online: 15 AUG 2017 | DOI: 10.1002/adem.201700455

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    The authors firstly investigat the effect of ultrafine-grained layer on gaseous nitriding of large titanium plate. The results show that the nitrided thickness of the ultrafine-grained plate is thicker than that of the coarse-grained plate at each nitriding temperature, and the greatest difference between the MSB treated and coarse-grained plates occur at 750 °C.

  2. Phase-Field Modeling of Microstructural Evolution by Freeze-Casting

    Tsung-Hui Huang, Tzu-Hsuan Huang, Yang-Shan Lin, Chih-Hsiang Chang, Po-Yu Chen, Shu-Wei Chang and Chuin-Shan Chen

    Version of Record online: 14 AUG 2017 | DOI: 10.1002/adem.201700343

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    A phase-field model is developed to investigate microstructural evolution by the freeze-casting process. Under the assumption that the colloidal particles can be represented by a concentration field, the interfacial condition of mass conservation, the Gibbs-Thomson condition, and particle segregation can be naturally included in the model. The morphology of dendritic ice crystal and accumulation of ceramic particles are accurately captured.

  3. Small Y Addition Effects on Hot Deformation Behavior of Copper-Matrix Alloys

    Yi Zhang, Huili Sun, Alex A. Volinsky, Bingjie Wang, Baohong Tian, Zhe Chai, Yong Liu and Kexing Song

    Version of Record online: 14 AUG 2017 | DOI: 10.1002/adem.201700197

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    The addition of Y to the Cu–Zr alloy effectively promotes dynamic recrystallization and improves thermal deformation activation energy, having a considerable influence on the peak power dissipation efficiency.

  4. Indentation Response and Structure-Property Correlation in a Bimodal Ti–6Al–4V Alloy

    Indrani Sen, Shibayan Roy and Martin F.-X. Wagner

    Version of Record online: 14 AUG 2017 | DOI: 10.1002/adem.201700298

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    The study evaluates mechanical properties of microstructural constituents in a bimodal Ti–6Al–4V alloy by nano- and micro-indentation. The role of size, distribution, morphology, volume fraction, and interfaces of these constituents in controlling the bulk mechanical response is rationalized by a rule of mixture based theoretical calculation.

  5. Work of Adhesion Measurements of MoS2 Dry Lubricated 440C Stainless Steel Tribological Contacts

    Simo Pajovic, Guillaume Colas, Aurélien Saulot, Mathieu Renouf and Tobin Filleter

    Version of Record online: 10 AUG 2017 | DOI: 10.1002/adem.201700423

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    The study describes a method for measuring the work of adhesion (W) between AISI440C steel and MoS2-based coatings. After morphological and chemical studies of the surfaces, W is determined at different stages of the coating's wear life by using Atomic Force Microscopy (AFM), local asperity detection, and adhesion measurements with steel microbeads.