Zobrazeno 1 - 10
of 1 385
pro vyhledávání: '"A. M. Samuel"'
Publikováno v:
Advances in Materials Science and Engineering, Vol 2021 (2021)
The principal aim of the present research work was to investigate the effects of minor additions of nickel and zirconium on the strength of cast aluminum alloy 354 at room temperature (25°C). A decrease in tensile properties of ∼10% with the addit
Externí odkaz:
https://doaj.org/article/41fc708861f84b6e8471f27a379f218b
Publikováno v:
Advances in Materials Science and Engineering, Vol 2021 (2021)
The principal aim of the present research work was to compare the role of dispersoids Al2O3 (∼15 μm average particle size) and SiC (∼15 μm average particle size) with that offered by Zr- and Ni-based intermetallics (∼35–70 μm average parti
Externí odkaz:
https://doaj.org/article/94b47372ee5742b9b7ad1cb943e0169d
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
This study investigated the fracture behavior of 0.3% Zr-containing 354 alloy following the addition of 0.75% Mn or 2%Ni. The examined surfaces were obtained from tensile testing of the bars at 250°C. For each alloy, the test bar samples were examin
Externí odkaz:
https://doaj.org/article/d646ea5d16ba4e8c9fc04bf0e27474a5
Publikováno v:
Advances in Materials Science and Engineering, Vol 2019 (2019)
The present study aims to investigate the mechanical properties of a newly developed aluminum Al-6.5% Cu-based alloy, coded HT200, as well as to determine how these properties can be further improved using grain refinement and heat treatment. As a re
Externí odkaz:
https://doaj.org/article/d64a2a7b95fb4a668c7a7eef589281e0
Publikováno v:
BMC Pregnancy and Childbirth, Vol 24, Iss 1, Pp 1-13 (2024)
Abstract Background This paper demonstrates how available data can be explored and utilized to conclude generic patterns in the temporal changes in Human Milk (HM) composition. Methods The temporal trajectories of selected human milk components (HMC-
Externí odkaz:
https://doaj.org/article/e10b4d88ee11464cb2f081e1ad364663
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
The results inferred from the present work show that Al3Ti phase has a strong affinity to react with silicon (Si) in the molten alloy leading to formation of (Al,Si)3Ti phase instead. This reaction is independent of the grain refiner type. The molten
Externí odkaz:
https://doaj.org/article/e2f4fcad748547708ae849a0435491da
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
This study was conducted on Al–Cu–Mg and Al–Si–Cu–Mg alloys containing either 5%La or 5%Ce. Two levels of Ti addition were examined, i.e., 0.05% and 0.15%. Thermal analysis was the only technique used to obtain castings, from which samples
Externí odkaz:
https://doaj.org/article/0281a896794e4ee2b211e23f4307999e
Autor:
Marc O. Williams, Victoria M. Samuel, Lorraine Whitmarsh, Wouter Poortinga, Christine Jenkins, Chloe Constable
Publikováno v:
Cogent Mental Health, Vol 3, Iss 1, Pp 1-21 (2024)
Climate distress in young people is very likely to increase in coming years, and young people’s mental health services need to be prepared to meet the demand. This paper reports a qualitative pilot study to establish the views of three stakeholder
Externí odkaz:
https://doaj.org/article/6a42ae3469a84b818da2a6e133c4efbf
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
The present work was performed on A413.1 alloy containing 0.2–1.5 wt% rare earth metals (lanthanum or cerium), 0.05–0.15% Ti, and 0–0.02 wt% Sr. These elements were either added individually or combined. Thermal analysis, image analysis, and el
Externí odkaz:
https://doaj.org/article/035b4cfd09d4452bb306f4387c98e21e
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
The present study was performed on A356 alloy with the main aim of investigating the effects of La and Ce additions to 356 alloys (with and without 100 ppm Sr) on the microstructure and porosity formation in these alloys. Measured amounts of La, Ce,
Externí odkaz:
https://doaj.org/article/2b515c16c7b14600acf9e9bca997b1b6