Results 51 to 60 of about 5,875 (274)

Deep cryogenic treatment of AA7050: tensile response and corrosion susceptibility

Discover Materials, 2023
AbstractCryogenic treatments represent an innovative technology developed with the aim of improving the performance of metallic alloys. The beneficial effects on steels are well documented in the literature, whereas their influence on other materials, such as aluminum alloys, is still not completely clarified.
Gerosa, R., Panzeri, D., Rivolta, B., Casaroli, A.   +3 more
openaire   +3 more sources

Microstructure Evolution of a VMnFeCoNi High‐Entropy Alloy After Synthesis, Swaging, and Annealing

Advanced Engineering Materials, EarlyView.
The synthesis and processing (rotary swaging and annealing) of the novel VMnFeCoNi alloy is investigated, alongside the estimation of the grain size effect on hardness. Analysis of a wide grain size range of recrystallized microstructures (12–210 µm) reveals a low annealing twin density.
Aditya Srinivasan Tirunilai, Zeki Ayrildi, Buse Şen, Maik Rajkowski, Mathias Redondo Garcia, Markus Stricker, Guillaume Laplanche   +6 more
wiley   +1 more source

ENHANCEMENT OF WEAR RESISTANCE OF DIE STEEL BY DEEP CRYOGENIC TREATMENT [PDF]

The International Conference on Applied Mechanics and Mechanical Engineering, 2008
ABSTRACTA comparative study of the wear behavior of deep cryogenically treated vis-a-visconventionally treated AISI D2 steel has been made to critically examine the extent ofimprovement in wear resistance of tool steels by cryotreatment. A series of experimentshave been done to determine dry sliding wear resistance together with examinations ofthe worn
DAS D., DUTTA K., RAY K.
openaire   +1 more source

Unraveling the Electronic Structure of Silicon Vacancy Centers in 4H‐SiC

Advanced Functional Materials, EarlyView.
The electronic structure of the silicon vacancy in 4H‐SiC is probed via transient absorption spectroscopy, uncovering previously inaccessible excited states of the quartet and doublet spin channels, including the V2' transition. In combination with theoretical analysis, a comprehensive picture of the electronic structure is established.
Ali Tayefeh Younesi, Minh Tuan Luu, Christopher Linderälv, Vytautas Žalandauskas, Marianne Etzelmüller Bathen, Nguyen Tien Son, Takeshi Ohshima, Gergő Thiering, Lukas Razinkovas, Ronald Ulbricht   +9 more
wiley   +1 more source

Fostering strengths against hydrogen embrittlement: insights from nanotwin-ability and post-treatment effects in additively manufactured CoCrFeMnNi

Materials Research Letters
This study delves into effects of deep cryogenic treatment (DCT) on enhancing the hydrogen embrittlement resistance of CoCrFeMnNi high-entropy alloy fabricated via laser powder-bed-fusion (L-PBF).
Renhao Wu, Soung Yeoul Ahn, Yeon Taek Choi, Hyojin Park, Man Jae SaGong, Ganesh Sattineni, Hyeonseok Kwon, Sang Guk Jeong, Gitaek Lee, Ho Hyeong Lee, Haiming Zhang, Hyoung Seop Kim   +11 more
doaj   +1 more source

Designed Lewis Acid–Base Passivation for High Performance Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
ABSTRACT Silicon's high cost and long energy payback time remain major barriers to the global expansion of solar power. In contrast, metal–halide perovskites offer abundant, solution‐processable absorbers, and have achieved efficiencies of 25%–30%, positioning them as strong competitors to silicon.
Afna Manaf, Hiba Shahulhameed, Bhabani Sankar Swain, Shengzhong (Frank) Liu, Adel Najar   +4 more
wiley   +1 more source

Effect of Cryogenic Treatment on Microstructure and Wear Resistance of Carburized 20CrNi2MoV Steel

Metals, 2018
This paper investigated the response of carburized 20CrNi2MoV steel to cryogenic treatment including microstructure and wear resistance. Two cryogenic treatment methods including cryogenic treatment at −80 °C (CT) and deep cryogenic treatment ...
Binzhou Li, Changsheng Li, Yu Wang, Xin Jin   +3 more
doaj   +1 more source

Hierarchical MXene‐Derived NTP/C Nanohybrids for Cryogenic Sodium‐Ion Batteries

Advanced Functional Materials, EarlyView.
A hierarchical MXene‐derived NaTi2(PO4)3/C nanohybrid enables efficient sodium‐ion storage down to −40°C by integrating fast ion–electron transport pathways with an ether‐based electrolyte. The system promotes dominant pseudocapacitive behavior and forms a robust inorganic‐rich SEI, collectively mitigating kinetic and interfacial limitations, thereby ...
M. Sai Bhargava Reddy, Mohammad Zaid, Sayan Das, Sooryadas Sudhakaran, Shampa Aich, Vilas G. Pol   +5 more
wiley   +1 more source

Performance Analysis of TiAlSiN Coated Tungsten Carbide End Milling Tool Subjected to Shallow and Deep Cryogenic Treatments [PDF]

Materials Research
Cryogenic treatment enhances the properties of cutting tools. This study investigates the effects of shallow and deep cryogenic treatments to TiAlSiN coated tungsten carbide tool used in end milling of maraging steel C300.
Nandu Babu, Kumar Velappan Nair, Keerthi Krishnan Kallorath, Selvakumar Arulprakasam, Sudeep Ullattil   +4 more
doaj   +1 more source

Adaptable Covalent Organic Framework‐Hydrogel Microneedles for Glucose‐Responsive Isoliquiritigenin Delivery in Diabetic Wound Therapy

Advanced Healthcare Materials, EarlyView.
We develop a covalent organic framework‐loaded Traditional Chinese Medicine monomer nanodrug delivery system (ISL@bCOF) via boron‐oxygen bonds, a smart response to glucose for delivering AI‐driven isoliquiritigenin (ISL) targeting ZBP1. This dynamic release mechanism, combined with transdermal delivery technology via potent microneedles, can modulate ...
Menghan Zhou, Zongjie Hu, Xiuwen Li, Huaman Geng, Yang Liu, Yajie Wang, Yunshu Yang, Guangdong Zhou, Yujie Hua, Di Wang   +9 more
wiley   +1 more source