Zobrazeno 1 - 10
of 178
pro vyhledávání: '"Agnes M. Samuel"'
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 332-347 (2024)
The objective of the current work is to establish the conventional mechanisms of grain refining, and the effect of the refiner-modifier interaction in Al-based alloys on the resultant grain refining obtained. The different castings were carried out i
Externí odkaz:
https://doaj.org/article/459f14da41c049a0a85d07467a8dfdb4
Analysis of Ni-Cu Interaction in Aluminum-Based Alloys: Hardness, Tensile and Precipitation Behavior
Publikováno v:
Materials, Vol 17, Iss 18, p 4676 (2024)
The present work was aimed at quantifying the effects of Ni addition in the range of 0–4% together with 0.3%Zr on the hardness and the tensile properties, volume fraction of intermetallics, and changes in size and distribution of phase precipitatio
Externí odkaz:
https://doaj.org/article/b36101a278734f10ac3918de1991aa2a
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 9467-9479 (2023)
The present work was performed on Al-8.5%Si-1.75%Cu-0.55%Mg-0.2%Ti-0.32%Zr-0.015%Sr alloy (coded as 354 alloy) following T6 (at 160 °C) and T7 (at 240 °C) artificial aging conditions using high resolution transmission electron microscopy (HR-TEM).
Externí odkaz:
https://doaj.org/article/eaf848fa1694428fb24c98eeb4eca754
Autor:
Ali Tahmasbi, Jean Brice Mandatsy Moungomo, Agnes M. Samuel, Yasser Zedan, Victor Songmene, Fawzy H. Samuel
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 8, Iss 2, p 83 (2024)
The present study focuses on the dry and wet end milling of three distinct Aluminum 7075 alloys: A7075, A7075–Sc (with a 0.18% Sc addition), and A7075–Li–Sc (containing 2.2% Li and 0.18% Sc additions). The main objective is to explore how cutti
Externí odkaz:
https://doaj.org/article/362c408cf5bb4555abfd8bd07bf1986a
Publikováno v:
Metals, Vol 14, Iss 3, p 271 (2024)
The objective of the current work is to establish, on the one hand, the conventional mechanisms of grain refining and, on the other hand, the effect of the refining-modification interaction in Sr-modified Al-Si alloys on the achieved grain refining a
Externí odkaz:
https://doaj.org/article/80838014a640493f8194486cebb2411e
Publikováno v:
Materials, Vol 16, Iss 23, p 7375 (2023)
The present study was performed on three versions of 7075 alloy to which Sc or Sc + Li was added. The alloys were subjected to various aging treatments. The microhardness results show that the highest value of hardness was achieved when the alloy con
Externí odkaz:
https://doaj.org/article/91b908c55a464f6eacd4e3e72268ac2b
Publikováno v:
Materials, Vol 16, Iss 16, p 5639 (2023)
The present analysis addresses the solidification and thermodynamic parameters involved during the solidification of aluminum (Al)-based alloys as presented in the literature using different systems viz., binary aluminum-boron (Al-B) and aluminum-tit
Externí odkaz:
https://doaj.org/article/d65e6bd06e9f4d448963116333a0a063
Publikováno v:
Materials, Vol 16, Iss 7, p 2867 (2023)
The present article addresses solidification parameters, and includes analyses of the macrostructure and microstructure in the light of the results obtained from the thermal analysis, from which it is possible to conclude that undercooling (TS) and r
Externí odkaz:
https://doaj.org/article/eac68b274c684924a5ab20cae3ad3202
Publikováno v:
Materials, Vol 16, Iss 5, p 2047 (2023)
The main objective of this review is to analyze the equations proposed for expressing the effect of various parameters on porosity formation in aluminum-based alloys. These parameters include alloying elements, solidification rate, grain refining, mo
Externí odkaz:
https://doaj.org/article/31f6d3ce34e34a63bdc3d9adfe2c2ac2
Publikováno v:
Materials, Vol 16, Iss 4, p 1400 (2023)
The present work was performed on three versions of a newly developed alloy coded T200 containing 6.5% Cu, 0.1% Fe, 0.45% Mg, and 0.18% Zr in addition to A319 and A356 alloys (grain refined and Sr-modified). Tensile bars were subjected to 13 differen
Externí odkaz:
https://doaj.org/article/3e3eed65b7274e659e3abc2b7fef8406