Zobrazeno 1 - 10
of 3 216
pro vyhledávání: '"Dealloying"'
Publikováno v:
Materials Research Letters, Pp 1-10 (2024)
With an eye on the role of structure size and topology, this study explores the mechanical behavior of nanoporous (NP) Nb made by liquid-metal dealloying. Results from X-ray nanotomography and macro-compression tests confirm that coarsening degrades
Externí odkaz:
https://doaj.org/article/e9dfe1d7a3fd466eb01e3769284ad8ed
Publikováno v:
Medžiagotyra, Vol 30, Iss 3, Pp 269-275 (2024)
Refinement of nanoporous Cu (NP Cu) by the addition of Polyvinylpyrrolidone (PVP) in HF solution during dealloying of Ti40.6Zr9.4Cu40.6Ni6.3Sn3.1 amorphous ribbons and effect of the surface coverage of Cu2O nanowires obtained by immersing NP Cu in de
Externí odkaz:
https://doaj.org/article/f7873410ee9948fbb452efb8be2f0d38
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3914-3920 (2024)
We report that the morphology of ligaments also governs the mechanical properties of dealloyed porous materials, in addition to the topology- and size-effects that have been extensively studied previously. Porous Fe–Cr with similar relative density
Externí odkaz:
https://doaj.org/article/f80aec9736de45cdb0a5a9ef7e1dc9fc
Publikováno v:
Journal of Electrochemical Science and Engineering (2024)
Coatings based on NiZn and CoZn alloys were obtained by combining electrodeposition and diffusion galvanizing methods. The coatings are homogeneous and uniform, the zinc concentration is between 85.0 to 89.5 at. %, and consist of intermetallic phases
Externí odkaz:
https://doaj.org/article/a890712cb407440e877dbb1b22377a35
Publikováno v:
工程科学学报, Vol 46, Iss 2, Pp 239-254 (2024)
SONY achieved the commercialization of lithium-ion batteries (LIBs) in 1991. Compared with traditional lead-acid and nickel-cadmium secondary batteries, the novel energy storage device offers the advantages of no memory effect, longer cycle life, and
Externí odkaz:
https://doaj.org/article/9bcf613989334fa48147fa8f4c1782aa
Autor:
Yawen Zhan, Guobin Zhang, Junda Shen, Binbin Zhou, Chenghao Zhao, Junmei Guo, Ming Wen, Zhilong Tan, Lirong Zheng, Jian Lu, Yang Yang Li
Publikováno v:
Nano Materials Science, Vol 6, Iss 3, Pp 305-311 (2024)
Surface-enhanced Raman Spectroscopy (SERS) is a nondestructive technique for rapid detection of analytes even at the single-molecule level. However, highly sensitive and reliable SERS substrates are mostly fabricated with complex nanofabrication tech
Externí odkaz:
https://doaj.org/article/8e2de8db3ae64f93a830bc5e467b1a71
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 3960-3966 (2024)
Nickel-based single-crystal superalloys are designed for extreme conditions due to their superior corrosion and creep resistance properties. However, these pose challenges in the subsequent recycling after reaching their end-of-life. Molten magnesium
Externí odkaz:
https://doaj.org/article/01cafdee469d42889ba1c745934e8ee1
Autor:
Kirti Tiwari, Andreu Blanquer, Cristina Pavan, Maura Tomatis, Nora Fernandez Navas, Federico Scaglione, Gianluca Fiore, Francesco Turci, Carme Nogués, Paola Rizzi
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 2333-2346 (2024)
This study focuses on the design of a new Ti based multicomponent amorphous alloy for the development of biocompatible implant materials with enhanced hemocompatibility and cytocompatibility. While this class of amorphous alloys has shown its potenti
Externí odkaz:
https://doaj.org/article/92b17fc4c9f64d79bcb508f18cde4c98
Publikováno v:
Micro, Vol 4, Iss 2, Pp 229-280 (2024)
The advancement of both porous materials and nanomaterials has brought about porous nanomaterials. These new materials present advantages both due to their porosity and nano-size: small size apt for micro/nano device integration or in vivo transport,
Externí odkaz:
https://doaj.org/article/aef5df1732c742c2ba5636cae63d7c85
Autor:
Asep Sugih Nugraha, Aditya Ashok, Wei Xia, Hirokatsu Miyata, Saad M. Alshehri, Tansir Ahamad, Yoshio Bando, Minsu Han, Yusuke Yamauchi
Publikováno v:
Small Structures, Vol 5, Iss 9, Pp n/a-n/a (2024)
Tailoring the surface structure of the mesoporous metal catalysts is pivotal for influencing both the catalytic activity and selectivity. Through the dealloying of bimetallic alloys, surface modification is achieved by dissolving unstable components,
Externí odkaz:
https://doaj.org/article/b8a33c0d17d44713ae209dc8c25559c8