Results 41 to 50 of about 13,736 (216)

Liquid Phase Transmission Electron Microscopy: A Window into the Early Stages of Complex Material Formation

Advanced Functional Materials, EarlyView.
Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum, Vinavadini Ramnarain, Nathaly Ortiz Peña, Dris Ihiawakrim, Clément Sanchez, Ovidiu Ersen   +5 more
wiley   +1 more source

Experimental Characterization of AISI P21 Tool Steel/Hexagonal Boron Nitride Composites Via Directed Energy Deposition [PDF]

Archives of Metallurgy and Materials, 2016
Directed energy deposition (DED) is a metal additive manufacturing (AM) process where material is deposited layer by layer using a focused energy source.
Pil-Ho Lee, Min-Kyo Jung, Joon Phil Choi, Yongrae Kim, Taeho Ha   +4 more
doaj   +1 more source

Micro-milling Machinability of DED Additive Titanium Ti-6Al-4V [PDF]

, 2017
This work investigates the micro-milling machinability of Ti-6Al-4V alloy produced by a Laser Engineered Net Shaping (LENS) additive manufacturing (AM) process with a specific focus on surface quality, cutting forces and burr formation.
Annoni, Massimiliano, Bonaiti, Giuseppe, Kapoor, Shiv, Parenti, Paolo   +3 more
core   +1 more source

Additive Manufacturing of NiTi Shape Memory Alloys for Elastocaloric Applications: A Review

Advanced Functional Materials, EarlyView.
Additive manufacturing enables complex NiTi architectures that overcome key limitations in elastocaloric refrigeration, including poor heat transfer and high mechanical work input. This review surveys recent advances in LPBF‐ and DED‐fabricated NiTi shape memory alloys for elastocaloric applications, highlighting process–structure–performance ...
Ignatius Andre Setiawan, Mohammad Mehrali, Jaka Tušek, Shiva Mohajerani, Xiebin Wang, Dermot Brabazon, Mohammad Elahinia, Mehrshad Mehrpouya   +7 more
wiley   +1 more source

Additive Manufacture of Diamond:Titanium Hybrid Quantum Sensors

Advanced Materials Interfaces, EarlyView.
ABSTRACT Additive manufacture represents one of the most advanced techniques for the creation of complex parts for applications as diverse as aerospace and implant surgery. However, a challenge with bespoke manufacture of metal parts is the incorporation of sensor elements in a fashion compatible with the 3D printing process.
Daniel Stavrevski, Marsilea A. Booth, David A. Broadway, Islay O. Robertson, Nour Mani, Joshua Zarins, Peter C. Sherrell, Amanda N. Abraham, Qiang Sun, Takeshi Ohshima, Brant C. Gibson, Kate Fox, Andrew D. Greentree   +12 more
wiley   +1 more source

Directed Energy Deposition of Metal Alloys

Metals
Directed energy deposition (DED) stands as an advancement in material utilization, facilitating the production of highly precise near-net shape components using wire and powders [...]
Joel Andersson
doaj   +1 more source

Photo-induced second-order nonlinearity in stoichiometric silicon nitride waveguides [PDF]

, 2017
We report the observation of second-harmonic generation in stoichiometric silicon nitride waveguides grown via low-pressure chemical vapour deposition.
Anderson, Balakirev, Balakirev, Balakirev, Batdorf, Bauters, Billar, Boyd, Calafiore, Caterina Taballione, Chen, Chmela, Dianov, Dianov, Dianov, Epping, Epping, Epping, Fan, Fan, Fejer, Hellwig, Hunsperger, Jesse Mak, Jones, Jörn P. Epping, Kitao, Klaus-J. Boller, Krick, Levy, Luke, Marco A.G. Porcel, Margulis, Marpaung, Mayer, Mizrahi, Monat, Ning, Pavesi, Peter J.M. van der Slot, Pfeifle, Porcel, Robertson, Roeloffzen, Smit, Sokolov, Sokolov, Sokolov, Spencer, Stegeman, Stolen, Suhara, Tekin, Telle, Torres-Company, Victoria K. Schermerhorn, Vlasov, Warren, Wörhoff, Xiong, Yang, Österberg, Čáp   +62 more
core   +4 more sources

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Additive Manufacturing of Ni‐Based Thermoelectric Materials for Waste Heat Recovery

Advanced Materials Technologies, EarlyView.
Thermoelectric generators convert waste heat into electricity but are constrained by conventional fabrication. Here, laser powder bed fusion enables direct printing of customised n‐type Cu60Ni40 and p‐type Ni90Cr10 legs. The assembled module achieves 0.8% efficiency at ΔT = 419 K, demonstrating scalable additive manufacturing of eco‐friendly, design ...
Karolin Amstein, Aayush Dobhal, Heiko Reith, Ran He, Julia Kristin Hufenbach, Kornelius Nielsch, Pingjun Ying   +6 more
wiley   +1 more source

Laser Rescanning for Enhancing Mechanical Properties of Laser-Directed Energy-Deposited High-Manganese Steels

Micromachines
This study investigates the effects of laser deposition and laser rescanning (LR) on the microstructure and mechanical properties of high-manganese steel (HMnS) deposited by laser-directed energy deposition (L-DED) comprising 24 wt.% Mn.
Young Keun Park, Hyun Ji Nam, Yong Ho Park, Wookjin Lee   +3 more
doaj   +1 more source