Results 11 to 20 of about 838,874 (359)

Pre-Aging Effect on the Formation of Ω Phase and Mechanical Properties of the Al-Cu-Mg-Ag Alloy

Metals, 2022
In the present work, different aging treatments were performed to investigate the pre-aging effect on the formation of Ω phase and mechanical properties in Al-Cu-Mg-Ag alloy.
Puyou Ying, Changhong Lin, Zhiyi Liu, Song Bai, Vladimir Levchenko, Ping Zhang, Jianbo Wu, Tao Yang, Min Huang, Gang Yang, Meng Liu, Mengjia Li   +11 more
doaj   +1 more source

Why do cracks occur in the weld joint of Ti-22Al-25Nb alloy during post-weld heat treatment?

Frontiers in Materials, 2023
Ultrasonic pulse frequency tungsten inert gas welding technology was adopted to join Ti-22Al-25Nb alloy. There were some cracks in the Ti-22Al-25Nb alloy weld joint after post-weld heat treatment.
Ling Shao, Ling Shao, Ling Shao, Xinyu Zhang, Yingwei Chen, Liu Zhu, Liu Zhu, Sujun Wu, Qijie Liu, Weiwei Li, Weiwei Li, Na Xue, Na Xue, Zhibiao Tu, Zhibiao Tu, Tianle Wang, Jitang Zhang, Jitang Zhang, Sheng Dai, Sheng Dai, Xinxing Shi, Mengliang Chen   +21 more
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Effect of applied load on the tribological properties of MoS2–TiL/MoS2–TiH nano-multilayer coating

AIP Advances, 2020
MoS2–TiL/MoS2–TiH coating (L and H are low and high power of the sputtered Ti target) possesses excellent tribological properties owing to its nano-multilayer structure.
Puyou Ying, Ping Zhang, Jianbo Wu, Min Huang, Changhong Lin, Tianle Wang, Yihang Fang, Vladimir Levchenko   +7 more
doaj   +1 more source

Effect of interface orientation on the adhesion strength and fracture toughness of Ni/CrN interfaces by first-principles study

Materials Research Express, 2021
The brittleness and relatively poor adhesion properties of CrN materials have been extensively addressed by developing Ni/CrN composites with a separate Ni phase.
Miao Wang, Gang Liu, Xian Luo, Vladimir A Levchenko   +3 more
doaj   +1 more source

Reliability assessment of cutting tool life based on surrogate approximation methods [PDF]

, 2014
A novel reliability estimation approach to the cutting tools based on advanced approximation methods is proposed. Methods such as the stochastic response surface and surrogate modeling are tested, starting from a few sample points obtained through ...
Kolios, Athanasios, Salonitis, Konstantinos   +1 more
core   +1 more source

Determination of Rational Design and Geometric Parameters of a High-Performance Drill Based on a Mathematical Model of the Cutting Part [PDF]

EPJ Web of Conferences, 2021
Processing of high-precision holes in one technological operation is an urgent problem of advanced manufacturing. Processing of precise holes in parts for aerospace and machine-building industries with a diameter of up to 30 mm is performed during ...
Pivkin Petr, Grechishnikov Vladimir, Ershov Artem, Kuptsov Vladimir, Jiang Xiaohui   +4 more
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Toward a better understanding of tool wear effect through a comparison between experiments and SPH numerical modelling of machining hard materials [PDF]

, 2009
The aim of this study is to improve the general understanding of tungsten carbide (WC–Co) tool wear under dry machining of the hard-to-cut titanium alloy Ti6Al4V. The chosen approach includes experimental and numerical tests.
Bil, C. Espinosa, D. Coupard, Dearnley, Dearnley, Ezugwu, Ezugwu, Ezugwu, F. Girot, Gingold, J. Limido, Karpat, Komanduri, Lee, Libersky, Limido, Lucy, M. Calamaz, M. Nouari, M. Salaün, Meyer, Monaghan, R. Chieragatti, Siekmann, Yen, Özel, Özel   +26 more
core   +6 more sources

Digital cyber-physical system for designing and manufacturing of conical end mill [PDF]

E3S Web of Conferences
Active development of digital cyber-physical systems for application the mechanical processing and design of new technologies opens up new opportunities for increasing the efficiency of control and monitoring.
Pivkin Petr, Nazarenko Ekaterina, Grechishnikov Vladimir, Kuznetsov Vladimir, Uvarova Lyudmila, Ershov Artem, Yazev Anton, Nadykto Alexey   +7 more
doaj   +1 more source

The Effect of a Nonionic Surfactant/ZnO Hybrid Inhibitor on the Self‐Corrosion of Al Alloy in Alkaline Electrolyte and its Application to Al‐air Batteries

ChemElectroChem, 2023
Al self‐corrosion in alkaline electrolytes is a critical issue that restricts the practical application of alkaline Al‐air batteries. To inhibit Al self‐corrosion, a hybrid of nonionic surfactant (branched alkyl glycoside, abbreviated as BAG) and ZnO is ...
Dr. Xueqin Wang, Dr. Weiming Liu, Prof. Dr. Yanxian Jin, Xian Xie, Zhen Yang   +4 more
doaj   +1 more source

The effects of ICTs’ application in enterprises on the NewConnect market

Nowoczesne Systemy Zarządzania, 2021
The subject of the analyses carried out is the use of ICTs by enterprises listed on the NewConnect market. The aim of the article is to identify the basic effects of the use of ICTs in Polish enterprises carrying out innovative activities (listed on the ...
Jacek Woźniak, Paweł Wereda
doaj   +1 more source