Current Situation and Latest Development of Intelligent Materials
Related Articles
- Smart Materials Respond to Changing Environments. Sidawi, Danielle // R&D Magazine;Mar2005, Vol. 47 Issue 3, p24
Presents information on studies being done on piezoelectric, magnetostrictive, and shape memory alloys (SMA), the classes of smart material systems. Research effort being conducted on piezoelectric motors and ferroelectric materials; Development of a polymer platform technology that can confer...
- Recent Developments in the Field of Shape Memory Epoxy Foams. Loredana Santo // Materials Science Forum;2014, Vol. 783-786, p2523
Shape memory epoxy foams are a new class of materials for aerospace applications as light actuators, structural parts with reduced size during transport, and expandable/deployable structures. They were tested in an experiment onboard of the International Space Station in May 2011 (Shuttle...
- Influence of structural transition on transport and optical properties of Ni[sub 2]MnGa alloy. Zhou, Y.; Jin, Xuesong; Xu, Huibin; Kudryavtsev, Y. V.; Lee, Y. P.; Rhee, J. Y. // Journal of Applied Physics;6/15/2002, Vol. 91 Issue 12, p9894
The transport and optical properties of Ni[sub 2]MnGa alloy in the martensitic and austenitic states were investigated. The dependence of the temperature coefficient of resistivity on temperature shows kinks at the structural and ferroparamagnetic transitions. Electron-magnon and electron-phonon...
- PART I: 'Smart metals' providing actuation, sealing, and completion functions downhole. // Offshore;Dec2001, Vol. 61 Issue 12, p58
Explores the growing applications of smart metals or shape metal alloys (SMA) in petroleum industry. Functions of the SMA; Limitations of the SMA applications in the petroleum industry; Actuation application of smart metals.
- Mechanomagnetic spectroscopy of phase transitions in ferromagnetic shape memory alloys. Kustov, Sergey; Masdeu, Francesc; Cesari, Eduard // Applied Physics Letters;8/7/2006, Vol. 89 Issue 6, p061917
A technique for direct experimental investigations of coupling between applied elastic stress and magnetic response in ferromagnetic shape memory alloys over the temperature ranges of paramagnetic to ferromagnetic and martensitic transformations has been developed, based on the inverse...
- Numerical Analysis of Piezoelectric Active Repair in the Presence of Frictional Contact Conditions. Alaimo, Andrea; Milazzo, Alberto; Orlando, Calogero; Messineo, Antonio // Sensors (14248220);Apr2013, Vol. 13 Issue 4, p4390
The increasing development of smart materials, such as piezoelectric and shape memory alloys, has opened new opportunities for improving repair techniques. Particularly, active repairs, based on the converse piezoelectric effect, can increase the life of a structure by reducing the crack...
- An Open-Loop Control Approach for Magnetic Shape Memory Actuators Considering Temperature Variations. Schlüter, Kathrin; Riccardi, Leonardo; Raatz, Annika // Advances in Science & Technology;2013, Vol. 78, p119
Magnetic shape memory alloys (MSMA) offer remarkable potentials for actuation purposes because of a large achievable strain and a short response time. But, apart from these advantages, MSMA show a hysteretic behavior between the input and output quantities. Hysteretic phenomena represent an...
- Design and Simulation of a Magnetic Shape Memory (MSM) Alloy Energy Harvester. Niskanen, Antti J.; Laitinen, Ilkka // Advances in Science & Technology;2013, Vol. 78, p58
We present the simulation and development of a vibration energy harvester based on an active element made of Ni-Mn-Ga Magnetic Shape Memory (MSM) alloy. As the MSM element is subjected to mechanical stress within an external magnetic field, its magnetization changes in proportion to its length,...
- Smart and small. Shapiro, Jessica // Machine Design;6/5/2008, Vol. 80 Issue 11, p67
The article discusses engineers' efforts to use smart materials to develop actuators that can fit into smaller spaces, save weight, and react more quickly. It notes General Motors' (GM) use of shape-memory-alloy (SMA) wires to create movement in small spaces and the Honda-supported research to...
