Publication date: 15 May 2018 Source:Acta Materialia, Volume 150 Author(s): Eunan J. McEniry, Tilmann Hickel, Jörg Neugebauer In high-strength carbon steels suitable for use in the automotive industry, hydrogen embrittlement (HE) is a potential barrier to the widespread application of these materials. The behaviour of hydrogen within the...

Publication date: 15 May 2018 Source:Acta Materialia, Volume 150 Author(s): Dabiao Liu, Xu Zhang, Yuan Li, D.J. Dunstan Analysis of idealised thin single-crystal wires under torsion based on the continuum theory of dislocations gives results in accordance with the critical thickness theory. The dislocation-free zone near the wire surface...

Publication date: 1 June 2018 Source:Acta Materialia, Volume 151 Author(s): D.G. Sangiovanni Hard refractory transition-metal nitrides possess unique combinations of outstanding mechanical and physical properties, but are typically brittle. Recent experimental results demonstrated that single-crystal NaCl-structure (B1) V0.5Mo0.5N pseudobinary...

Publication date: 15 May 2018 Source:Acta Materialia, Volume 150 Author(s): Y. Song, D. Tourret, F.L. Mota, J. Pereda, B. Billia, N. Bergeon, R. Trivedi, A. Karma We carry out three-dimensional phase-field simulations to model unique experimental observations of cellular and dendritic solidification structures formed under diffusive...

Publication date: 1 June 2018 Source:Acta Materialia, Volume 151 Author(s): Tsuneaki Matsudaira, Satoshi Kitaoka, Naoya Shibata, Yuichi Ikuhara, Miyuki Takeuchi, Takafumi Ogawa The mass transfer mechanisms in polycrystalline alumina wafers serving as models for anti-oxidation films were investigated by evaluating oxygen permeability...

Publication date: 15 May 2018 Source:Acta Materialia, Volume 150 Author(s): S. Zhao, S.J. Li, S.G. Wang, W.T. Hou, Y. Li, L.C. Zhang, Y.L. Hao, R. Yang, R.D.K. Misra, L.E. Murr In recent years, cellular metallic materials have attracted significant interest for biomedical applications. However, mutually opposing requirements...