Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Nathan A. Ley"'
Autor:
Marcus L. Young, Faith Gantz, Jesse Smith, Jessica Rider, Nathan A. Ley, Drew Forbes, Jordyn M. Ward
Publikováno v:
Shape Memory and Superelasticity. 7:447-457
High-temperature shape memory alloys (HTSMAs) are a growing area of research in active materials that exhibit recoverable transformation strain and shape memory responses. They show promise for applications such as actuators in the aerospace, automot
Autor:
Thomas W. Scharf, Marcus L. Young, Nathan A. Ley, W. S. Rubink, Eric J. Faierson, V. Ageh, D.T. Casem, H. Lide
Publikováno v:
Journal of the European Ceramic Society. 41:3321-3332
Spark plasma sintering (SPS) was employed to consolidate powder specimens consisting of B4C and various B4C-TiB2 compositions. SPS allowed for consolidation of pure B4C, B4C-13 vol.%TiB2, and B4C-23 vol.%TiB2 composites achieving ≥99 % theoretical
Publikováno v:
Shape Memory and Superelasticity. 7:262-269
Shape memory alloys (SMAs), such as Nickel-Titanium, are an active material due to their ability to recover a designed shape upon heating. While binary NiTi SMAs are limited to a maximum austenite finish temperature of ~ 115 °C, high-temperature SMA
Publikováno v:
Shape Memory and Superelasticity. 5:397-406
The processability of Ni-rich Ni50.8Ti29.2Hf20 and Ti–rich Ni49.8Ti30.2Hf20 (at.%) high temperature shape memory alloy wires was investigated. Hot-extruded NiTiHf rods with an initial diameter of 6.35 mm, were hot-rolled (HR) at 750, 775, 800, or 8
Publikováno v:
Shape Memory and Superelasticity. 5:476-485
The thermomechanical processability of Ti(Hf)-rich Ni49.8Ti30.2Hf20 (at.%) high-temperature shape memory alloy (HTSMA) wires was examined. Hot-extruded rods with an initial diameter of 6.35 mm were hot-rolled and cold-drawn into a final diameter of 2
Autor:
Nathan A. Ley, Keirsten Gomez, Othmane Benafan, T.B. Torgerson, Avery W. Young, Marcus L. Young
Publikováno v:
Shape Memory and Superelasticity. 5:125-135
NiTiSn shape memory alloys provide a cost-effective alternative to many NiTi-based low-temperature shape memory alloy systems such as NiTi: Cr, Co, and Nb. To demonstrate the viability of NiTiSn shape memory alloys for low-temperature actuator applic
Autor:
Nathan A. Ley, Sameehan S. Joshi, Baozhuo Zhang, Yee-Hsien Ho, Narendra B. Dahotre, Marcus L. Young
Publikováno v:
Surface and Coatings Technology. 348:150-158
Complex concentrated alloys (CCAs) represent a new class of alloy, which is typically multi-component with no base metal and exhibits a multi-phase microstructure. These alloys offer potentially improved properties over traditional alloys. In this st
Publikováno v:
Materials Science and Engineering: A. 820:141518
Continued research on advanced high strength steels is an important step in reducing weight and fuel consumption of modern vehicles. Fe–Mn–Al–C steels that have increased concentrations of both Al and Mn, are currently under development to achi
Publikováno v:
Shape Memory and Superelasticity. 3:443-456
Ti-rich martensitic NiTi shape memory alloy (SMA) wires of 0.5 mm diameter were tested under hydrogen-charging conditions to reveal the effects on phase transformation. Hydrogen charging was performed by immersion testing for several durations. The S
Autor:
Nathan A. Ley, O. Karakoc, Ibrahim Karaman, Robert W. Wheeler, Marcus L. Young, Alexander Demblon, Skye Segovia
Publikováno v:
AIAA Scitech 2019 Forum.