Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Nanfu Zong"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 68, Iss No 2, Pp 469-475 (2023)
Tilted columnar dendritic morphologies are usually existed in wire and laser additive manufactured parts of GH3039 alloy. Overgrowth behaviors induced by the tilted dendritic arrays with a large tilted angle, and the effect of the angle between the g
Externí odkaz:
https://doaj.org/article/d2c40b750c6c4f56802fc8ab311569ae
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 68, Iss No 1, Pp 387-393 (2023)
Wire and laser additive manufacturing (WLAM) can produce outstanding mechanical properties of GH3039 nickel-based superalloys. A quantitative rapid phase field model with solute trapping kinetics has been developed during the rapid solidification pro
Externí odkaz:
https://doaj.org/article/5008d651e5854d51958173088bf945aa
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:
Archives of Metallurgy and Materials, Vol vol. 67, Iss No 1, Pp 73-82 (2022)
Internal cracking surrounding primary carbides in high carbon steel as-cast blooms induced by soft reduction is investigated to elucidate their influence of internal cracking on carbide precipitation and the resulting segregated band in hot-rolled wi
Externí odkaz:
https://doaj.org/article/58d3f79688e941ce8282b9f3c3f846fe
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 819-829 (2021)
To comprehensively investigate the diversity of a chamfer technology and a convex roll technology under the same soft reduction process (i.e., section size, reduction amount, casting speed and solid fraction), a three-dimensional mechanical model was
Externí odkaz:
https://doaj.org/article/25783f12ce4344138eb7e43573173b36
Publikováno v:
Materials & Design, Vol 207, Iss , Pp 109843- (2021)
The additively manufactured Ti-6Al-4V part suffers from undesirable α′ phase, which leads to a decrease of its plasticity. In this research, density-based constituent phase simulation method is applied to investigate the phase transformation of Ti
Externí odkaz:
https://doaj.org/article/c361d493474c489aa5b2a28443873458
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 121:3229-3241
Publikováno v:
Materials Letters. 340:134177
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