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Recently Published Articles
- Evaluation of Magnesium Die-Casting Alloys for Elevated Temperature Applications: Castability
Mark A. Easton, Suming Zhu, Trevor B. Abbott, Matthew Dargusch, Morris Murray, Gary Savage, Norbert Hort and Mark A. Gibson
Article first published online: 24 NOV 2015 | DOI: 10.1002/adem.201500407
The castability of eight “creep resistant” magnesium alloys, together with other five conventional Mg alloys, is assessed in a castability die considering cracking, filling, and spangling. Among all “creep resistant” alloys, AE44, AS31, MRI153A, and HP2plus are found to have very good castability, although they are still inferior to conventional Mg alloys, AZ91 and ZA124 (see figure).
- 3D Woven Near-Net-Shape Preforms for Composite Structures
Adil Mountasir, Michael Löser, Gerald Hoffmann, Chokri Cherif and Knut Großmann
Article first published online: 19 NOV 2015 | DOI: 10.1002/adem.201500441
The paper deals with manufacturing technology for non-crimp woven fabrics and simulation of weaving process. The aim of the corresponding research is to ensure a reproducible manufacturing and to ensure mechanical properties of the produced composite structures. The mechanical properties of composites have been tested and the results are presented.
- An Assessment of the Role of Fiber Coating and Suspending Fluid on the Deposition of Carbon Nanotubes onto Glass Fibers for Multiscale Composites
J. J. Ku-Herrera, A. May-Pat and F. Avilés
Article first published online: 19 NOV 2015 | DOI: 10.1002/adem.201500389
Increased glass fiber electrical conductivity and improved interfacial shear strength between the CNT-modified fibers and a vinyl ester resin is achieved upon CNT deposition, especially when the fiber coating is maintained and an adequate silane coupling agent is used.
- Glass-Forming Ability and Crystallization Behavior of Al86Ni9La5 Metallic Glass with Si Addition
Jiaojiao Yi, Wanqiang Xu, Xianzhong Xiong, Lingti Kong, Micheal Ferry and Jinfu Li
Article first published online: 17 NOV 2015 | DOI: 10.1002/adem.201500354
The glass-forming ability (GFA) increases first and then decreases with the increase of Si addition, as shown in the figure. The change in GFA with the Si addition is interpreted on the basis of atomic packing and chemical interaction in combination with the crystallization kinetics analysis.
- A Review of Different Creep Mechanisms in Mg Alloys Based on Stress Exponent and Activation Energy
Karuna Ratnakaran Athul, Uma Thanu Subramonia Pillai, Amirthalingam Srinivasan and Bellambettu Chandrasekhara Pai
Article first published online: 17 NOV 2015 | DOI: 10.1002/adem.201500393
Concentrated effort has been expanded during the past few decades for developing and optimizing magnesium alloys with enhanced creep resistance. This article summarizes the various creep deformation mechanisms prevailing in magnesium alloys based on the stress exponent (n) and activation energy (Q), for different temperatures and stresses.