Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Gianna M. Valentino"'
Autor:
Gianna M. Valentino, Arunima Banerjee, Alexander Lark, Christopher M. Barr, Seth H. Myers, Ian D. McCue
Publikováno v:
Additive Manufacturing Letters, Vol 4, Iss , Pp 100117- (2023)
Additive manufacturing (AM) has transformed the process of shaping refractory metals into complex form factors. This study was undertaken to investigate the AM processing parameters for pure tantalum (Ta) and to understand their influence on the atte
Externí odkaz:
https://doaj.org/article/09080d1961bd43db8929d3745127a758
Autor:
Ian D. McCue, Gianna M. Valentino, Douglas B. Trigg, Andrew M. Lennon, Chuck E. Hebert, Drew P. Seker, Salahudin M. Nimer, James P. Mastandrea, Morgana M. Trexler, Steven M. Storck
Publikováno v:
Materials & Design, Vol 208, Iss , Pp 109935- (2021)
Transformational advances in additive manufacturing combined with the unique functional behavior of shape memory alloys (SMAs) has propelled the field of 4D printing “smart” materials. In this study, we leverage multiple processing pathways with
Externí odkaz:
https://doaj.org/article/ace0882c93424a618a7ca40fb50c8a2e
Autor:
Ankur Chauhan, Gianna M. Valentino, Timothy P. Weihs, Pralav P. Shetty, Jessica A. Krogstad, Kevin J. Hemker
Publikováno v:
Scripta Materialia. 186:247-252
Nanotwinned metals and alloys have an attractive suite of properties, but the formation of the underlying nanostructure is generally dependent on the alloy chemistry and processing conditions. This study was undertaken to investigate the effect of de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e90b0dbccf0c71b9774d57583a4ef59d
https://doi.org/10.1016/j.scriptamat.2020.05.031
https://doi.org/10.1016/j.scriptamat.2020.05.031
Publikováno v:
Journal of Microelectromechanical Systems. 29:329-337
Recent studies have elucidated a promising balance of physical and mechanical properties of sputter deposited nickel-molybdenum-tungsten (Ni-Mo-W) films that have a unique nanotwinned microstructure and promising potential for use in high temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a148c938d962f3b0c7f032b71436b97a
https://doi.org/10.1109/jmems.2019.2958862
https://doi.org/10.1109/jmems.2019.2958862
Autor:
Kevin J. Hemker, Gianna M. Valentino, Kelvin Y. Xie, Gi-Dong Sim, Suman Dasgupta, Timothy P. Weihs, Jessica A. Krogstad
Publikováno v:
Acta Materialia. 144:216-225
Advanced metallic alloys are attractive in microelectromechanical systems (MEMS) applications that require high density, electrical and thermal conductivity, strength, and dimensional stability. Here we report the mechanical behavior of direct curren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2db2289bb18ce275dd84d521f8ed4eb4
https://doi.org/10.1016/j.actamat.2017.10.065
https://doi.org/10.1016/j.actamat.2017.10.065
Autor:
Douglas B. Trigg, Gianna M. Valentino, Chuck E. Hebert, A.M. Lennon, Ian McCue, Steven Storck, Morgana M. Trexler, Drew P. Seker, Salahudin Nimer, James P. Mastandrea
Publikováno v:
Materials & Design, Vol 208, Iss, Pp 109935-(2021)
Transformational advances in additive manufacturing combined with the unique functional behavior of shape memory alloys (SMAs) has propelled the field of 4D printing “smart” materials. In this study, we leverage multiple processing pathways with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c618cb51ca35c1445985ed945cb61ee
https://doi.org/10.1016/j.matdes.2021.109935
https://doi.org/10.1016/j.matdes.2021.109935
Autor:
Kevin J. Hemker, Warren C. Oliver, Gianna M. Valentino, Jessica A. Krogstad, George M. Pharr, Kelvin Y. Xie, Sisi Xiang, Timothy P. Weihs, Mo-Rigen He, Luoning Ma
Publikováno v:
Acta Materialia. 204:116507
Sputter deposited nickel-molybdenum-tungsten (Ni-Mo-W) thin films possess a beneficial suite of properties that stem from the extremely fine growth twins that form during the deposition process. Previously these materials were only characterized in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52ae631b8fab1212700410ee453f3edd
https://doi.org/10.1016/j.actamat.2020.116507
https://doi.org/10.1016/j.actamat.2020.116507
Publikováno v:
Journal of Alloys and Compounds. 833:155024
The majority of microelectromechanical systems (MEMS) are made of silicon, however, future applications will be used in extreme environments, especially at elevated temperatures, and require materials with enhanced properties. Use of metal alloys in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfcbb5a5dfcbd701eb52adfcb421069e
https://doi.org/10.1016/j.jallcom.2020.155024
https://doi.org/10.1016/j.jallcom.2020.155024
Autor:
Kevin J. Hemker, K. Madhav Reddy, Kelvin Y. Xie, Jessica A. Krogstad, Gianna M. Valentino, Timothy P. Weihs, Gi-Dong Sim
Publikováno v:
Science Advances
Sputter deposited nanotwinned metal alloy films that possess exceptional properties attractive for next generation MEMS devices.
Silicon-based microelectromechanical systems (MEMS) sensors have become ubiquitous in consumer-based products, but r
Silicon-based microelectromechanical systems (MEMS) sensors have become ubiquitous in consumer-based products, but r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00ff702e460e34ab1aab3df80a893406
https://doi.org/10.1126/sciadv.1700685
https://doi.org/10.1126/sciadv.1700685
Ferrofluid-based reconfigurable optofluidic switches for integrated sensing and digital data storage
Publikováno v:
Applied optics. 53(4)
We present a low-cost, reconfigurable, parallel optofluidic switch that exploits the optical and magnetic properties of water-based ferrofluid. Each switch is composed of an integrated waveguide orthogonally crossing a microfluidic channel containing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83b047cb135392724a3252bb8d721fb6
https://pubmed.ncbi.nlm.nih.gov/24514168
https://pubmed.ncbi.nlm.nih.gov/24514168