Results 51 to 60 of about 5,251 (214)

Leveraging Atomic Disorder to Modulate Hydrogen Storage Thermodynamics in Intermetallics

Interdisciplinary Materials, EarlyView.
This work introduces atomic disorder into TiFe‐based intermetallics through multi‐element substitution to tune hydrogen storage properties. A series of B2‐structured, compositionally complex intermetallics are synthesized and evaluated, revealing that increased atomic disorder enhances hydride stability.
Yuanyuan Shang, Ting Chen, Zhifeng Lei, Archa Santhosh, Paul Jerabek, Benjamin Klusemann, Zhaoping Lu, Thomas Klassen, Claudio Pistidda   +8 more
wiley   +1 more source

The effect of Sc and Yb microalloying additions and aged-hardening heat treatment on corrosion behavior of Al-Mg alloys [PDF]

, 2016
Sc-containing Al alloys are potentially applied in saline environment. However, the corrosion behavior and its mechanisms of Sc-containing Al alloys have not been paid much attention.
Ahmad, Ahmad, Ahmad, Ahmad, Birbilis, Blake, Buchheit, Cavanaugh, Clouet, Dalen, Deng, Fazeli, Filatov, Fuller, Fuller, Ganiev, Hyland, Iwamura, Jones, Karnesky, Kharina, Kharina, Kramer, Lapasset, Lee, Liu, Marquis, Marquis, Neubert, Novotny, Ocenasek, Polmear, Røyset, Sawtell, Shao, Sinyavskii, Szklarska-Smialowska, Toropova, Tuan, Tuan, Vyazovikina, Wloka, Wu, Zhu   +43 more
core   +1 more source

Designing High‐Strength and High‐Ductility Cast Mg–Zn–Al–Mn–Sn Alloys via τ‐Mg32(Al,Zn)49 Phase Tuning and Twin Boundary Toughening Optimisation

Rare Metals, EarlyView.
ABSTRACT Achieving a simultaneous enhancement of strength and ductility remains a critical bottleneck for the large‐scale and cost‐effective engineering application of magnesium alloys. In this work, guided by first‐principles calculations, we tailored the τ‐Mg32(Al,Zn)49 phase and optimised twin boundary, thereby designing and successfully ...
Yun‐Xuan Zhou, Wen‐Jun Tian, Hao Lv, Quan Dong, Hong Yang, Pu‐Hua Yu, Jun Tan, Xian‐Hua Chen, Fu‐Sheng Pan   +8 more
wiley   +1 more source

Effect of microalloying on hydrogen embrittlement resistance of 125ksi grade petroleum pipe

Journal of Materials Research and Technology
In this study, the influence of incorporating equimolar proportions of vanadium, titanium, and niobium microalloying elements into C110 steel on the hydrogen embrittlement susceptibility of oil casing steel was investigated at a strength level of 125 ksi.
Chao Wang, Zihan Wu, Yunkai Wang, Jiaxin Li, Hua Duan, Xin Wang, Jian Kang, Yunjie Li, Guo Yuan   +8 more
doaj   +1 more source

Effect of microalloying elements Ti and Nb on impact property of high-strength engineering structural steel

工程科学学报, 2018
Comparing the properties of Q345E steels of two different components, it is found that the yield strength and tensile strength of Q345E increase with the additions of microalloying elements Nb and Ti, but the low-temperature impact performance reduces ...
LIU Shuai, WANG Fu-ming, LI Yong-liang
doaj   +1 more source

The bi-layered precipitate phase zeta in the Al-Ag alloy system

, 2017
The Al-Ag system is thought to be a well-understood model system used to study diffusional phase transformations in alloys. Here we report the existence of a new precipitate phase, zeta, in this classical system using scanning transmission electron ...
Bourgeois, Laure, Medhekar, Nikhil V., Rosalie, Julian M., Zhang, Zezhong   +3 more
core   +1 more source

Electrical properties and microstructure fractal analysis of magnesium-modified aluminium-silicate ceramics [PDF]

, 2011
The addition of Mg2(NO)3 and some active additives, composed of Al salts, to the mixtures of kaolinite and bentonite can provide clay compositions which, after sintering at high temperatures, produce very porous ceramics with microcrystalline and ...
Kocić, Lj., Mitić, Vojislav V., Paunović, Vesna, Pavlović, Vladimir B., Purenović, Jelena, Purenović, M.   +5 more
core   +3 more sources

Fabrication‐Driven Oxidation Pathways in Y/Hf‐Modified High‐Entropy Alloys: From Elemental Segregation to Oxide Homogeneity

Rare Metals, EarlyView.
ABSTRACT This study elucidates the oxidation mechanisms governing Y/Hf‐doped AlCoCrFeNiTi high‐entropy alloys (HEAs) and reveals the pivotal role of fabrication processes in dictating high‐temperature oxidation behavior. We demonstrate that casting and spark plasma sintering (SPS) promote Y/Hf segregation, resulting in heterogeneous oxide formation and
Huaqing Yi, Jiapeng Zheng, Jiawen Zhang, Yi Yang, Binbin He, Wenjun Lu   +5 more
wiley   +1 more source

Effect of V–Ti multi-microalloying on enhancing hydrogen embrittlement resistance in hot-stamping steel

Journal of Materials Research and Technology
Hydrogen embrittlement (HE) has become a significant concern that limits the usage of ultra-high strength hot-stamping steel. In this work, the utilization of a novel approach employing V–Ti multi-microalloying has yielded substantial improvements in the
Mengjie Gao, Zhuo Cheng, Linshuo Dong, Shuize Wang, Yuhe Huang, Xinping Mao   +5 more
doaj   +1 more source

Effect of microalloying on the toughness of metallic glasses [PDF]

, 2012
The effect of microalloying on the toughness of Cu-Ti-based metallic glasses is explored. Minor additions of Si and Sn in glass former Cu_(47)Ti_(34)Zr_(11)Ni_8 known to improve glass-forming ability are found here to sharply decrease toughness. The drop
Chen, Jason, Demetriou, Marios D., Garrett, Glenn R., Johnson, William L.   +3 more
core   +1 more source