Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Sida Ma"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 67, Iss No 3, Pp 967-974 (2022)
The formation of internal cracks in as-cast billet is mainly attributed to the stress and strain states near the solidifying front. This study investigates the effect of chamfer configuration of as-cast billet on the maximal principal stress and the
Externí odkaz:
https://doaj.org/article/76b98c27ab4a426bb6703d9d896b1ae8
Publikováno v:
Metals, Vol 9, Iss 3, p 317 (2019)
Z3CN20.09M cast duplex stainless steel (CDSS) has been used for primary coolant water pipes in pressurized water reactors due to its excellent mechanical properties. Such pipes operate at an elevated service temperature (~320 °C) and experience issu
Externí odkaz:
https://doaj.org/article/8753035534364c839f41440e8ebd4ba7
Publikováno v:
Metals, Vol 8, Iss 8, p 602 (2018)
Using molecular dynamics simulation and a newly developed COMB3 potential, the in-plane ordering and diffusion constant profiles at the homogeneous (100), (110), and (111) interfaces between solid and liquid Al have been examined. We found that the i
Externí odkaz:
https://doaj.org/article/52274098350e4e659181e5e0b37a632f
Publikováno v:
Metals, Vol 8, Iss 7, p 521 (2018)
Liquid layering, which is a general phenomenon adjacent to the solid substrates, is less understood for its role in heterogeneous nucleation. In this work, the structural features and dynamics of the liquid Al layers induced by the (0001) sapphire an
Externí odkaz:
https://doaj.org/article/9223e7abaf4d47ac885c745e56104c6f
Autor:
Zhenlin Zhang, Ziheng Yang, Pu Xie, Yue Zhao, Jiguo Shan, Yan Liu, Aiping Wu, Sida Ma, Lei Zhang, Hui Chen
Publikováno v:
Coatings; Volume 13; Issue 5; Pages: 940
The heat exchanger made up of several T-shaped joints is a critical component in energy equipment. A split induction coil was designed for T-shaped aluminum pipe brazing, and the Taguchi method was combined with multi-physical simulation to solve the
An Ab Initio Molecular Dynamics Simulation of Liquid FeO–SiO2 Silicate System with Sulfur Dissolving
Publikováno v:
Metallurgical and Materials Transactions B. 52:3346-3353
The desulfurization mechanism is of great significance to quality improvement in metallurgical process. In this work, the structural features, chemical and dynamical properties of the liquid FeO·SiO2 were calculated under 2000 K through ab initio mo
Publikováno v:
Metallurgical and Materials Transactions A. 52:2136-2143
This study reveals the key role of chemical potential and atomic-scale vibration of the nucleant surface in dictating pre-nucleation liquid-layering and heterogenous nucleation. The effect of potential-well depth D w and vibration strength $$\overlin
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 235:5653-5664
To comprehensively investigate and alleviate internal cracks in high carbon bloom induced by mechanical soft reduction (MSR), a 3D thermal-mechanical coupled model, containing two adjacent pairs of reduction rolls, was developed to investigate the in
Publikováno v:
Metallurgical and Materials Transactions B. 50:2487-2497
Ti6Al4V is a widely used, multi-component alloy in additive manufacturing, during which the fluid flow in the molten pool significantly affects the solidified dendrites. To predict and further control the microstructure, modeling and simulating the m
Autor:
Dayong Wu, Song Li, Sida Ma, Lisheng Wang, Jie Kang, Huicong Dong, Qian Wang, Yandong Wang, Ru Su
Publikováno v:
Materials Characterization. 188:111895