Results 31 to 40 of about 1,607,586 (321)

Tailoring heat-resistant phases with strengthening effects by compound additions of zirconium, yttrium and silicon in dilute Al-Sc-(Zr)-(Y)-(Si) alloys

Journal of Materials Research and Technology
Heat resistance aluminum alloys serving within 300–400 °C temperature range are prominently required due to lightweight design and extreme serve condition in aerospace and military fields.
Kai Wen, Xiwu Li, Zhihui Li, Qilong Liu, He Yin, Wei Xiao, Guanjun Gao, Kai Zhu, Yanan Li, Lizhen Yan, Hongwei Yan, Guohui Shi, Mingyang Yu, Ying Li, Hongwei Liu, Yongan Zhang, Baiqing Xiong   +16 more
doaj   +1 more source

Investigation on the quench sensitivity during isothermal treatment of a high Mg-containing Al–Mg–Zn–Si alloy

Journal of Materials Research and Technology
In this study, the quench sensitivity of a novel high Mg-containing Al–Mg–Zn–Si alloy was investigated using an isothermal treatment process. The electrical conductivity in the quenched state and the hardness in the aged state of the alloy were measured,
Qing Wang, Kai Wen, Kai Zhu, Xiwu Li, Guanjun Gao, Hongwei Yan, Yanan Li, Yongan Zhang, Zhihui Li, Baiqing Xiong   +9 more
doaj   +1 more source

Achieving high strength and good laser welding performance by adding Sc to T8-aged Al-Cu-Li alloys with different Cu/Li ratios

Materials & Design
In this work, the effects of Sc addition and variations in the Cu/Li ratio on the microstructure, precipitation behavior, laser welding performance, and mechanical properties of Al-Cu-Li alloys were systematically investigated.
Changlin Li, Xiwu Li, Yongan Zhang, Kai Wen, Lizhen Yan, Ying Li, Yanan Li, Mingyang Yu, Guanjun Gao, Hongwei Yan, Zhihui Li, Baiqing Xiong   +11 more
doaj   +1 more source

The quality of the design project documentation in terms of technical expertise in Lithuania [PDF]

Инженерно-строительный журнал, 2010
In this paper general situation in civil engineering design documentation is reviewed. Some characteristic mistakes in design are presented.Using their experience in engineering examination of real structural designs, authors discuss statistical data of ...
M. Samofalov, V. Papinigis
doaj  

User Intent Prediction in Information-seeking Conversations

, 2019
Conversational assistants are being progressively adopted by the general population. However, they are not capable of handling complicated information-seeking tasks that involve multiple turns of information exchange.
Bhatia S., Croft W. B., Ding S., Hutto C. J., Khanpour H., Kim Y., Kingma D. P., Lowe R., Pennington J., Surendran D., Wu Y., Yan Z., Yang Y., Yin J., Zhang X., Zhang X.   +15 more
core   +1 more source

Microscopic Mechanism of Doping-Induced Kinetically Constrained Crystallization in Phase-Change Materials. [PDF]

, 2015
A comprehensive microscopic mechanism of doping-induced kinetically constrained crystallization in phase-change materials is provided by investigating structural and dynamical dopant characteristics via ab initio molecular dynamics simulations.
Behrndt, Blöchl, Borisenko, Caravati, Cassinerio, Cho, Coey, Darmawikarta, Do, Duan, Felsch, Greer, Greer, Hegedus, Hwang, Jeong, Jeong, Kojima, Kolobov, Kolpin, Kresse, Kuzum, Lankhorst, Lee, Lee, Liu, Loke, Loke, Lu, Matsunaga, Matsuzaki, Perdew, Qiao, Raoux, Sandhya, Shelby, Skelton, Sun, Trappe, Wang, Wang, Wei, Wuttig, Yang, Yang, Zhou   +45 more
core   +1 more source

Effect of Li content on precipitation behavior and mechanical properties of Al–Cu–Li alloys under aging treatment

Journal of Materials Research and Technology
The influence of Li content (0.25, 0.85 and 1.20 wt%) on the precipitation behavior and mechanical properties of Al–Cu–Li alloys was systematically investigated under two aging conditions (direct aging at 175 °C and 3.5 % pre-stretching followed by aging
Pengcheng Chen, Xiwu Li, Kai Wen, Ying Li, Qilong Liu, Chenyang Xun, Wei Xiao, Bin Zhou, Lizhen Yan, Zhihui Li, Yongan Zhang, Baiqing Xiong   +11 more
doaj   +1 more source

The mathematical components of engineering expertise: the relationship between doing and understanding mathematics [PDF]

, 2002
this paper are extracts from our interviews with engineers.) Where, then, is the complex mathematics that certainly exists in modern engineering? Throughout all aspects of engineering design, computer software has an overwhelming presence.
Kent, Phillip, Noss, Richard
core   +2 more sources

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source

New or existing, does it matter?

Acta Polytechnica CTU Proceedings, 2022
Both when designing new and when evaluating existing structures, methods of analysis must be based on established engineering theory and practice. Also, the general principles of structural reliability regarding the treatment of uncertainties when ...
Peter Tanner, Ramon Hingorani, Carlos Lara   +2 more
doaj   +1 more source