Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Mihai Chisamera"'
Publikováno v:
China Foundry, Vol 17, Iss 2, Pp 96-110 (2020)
The first part of the paper summarizes the performance of two mould devices, illustrating by representative shrinkage tendency results in ductile cast iron as affected by mould rigidity (green and furan resin sand moulds) and inoculant type (FeSibase
Externí odkaz:
https://doaj.org/article/87cb4b3284d84bfe95162ee5c9d6d5ee
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 6, Pp 5160-5170 (2019)
The objective of the present paper is to evaluate the occurrence of degenerate graphite in a surface layer on high Si ductile iron (0.032%Mgres, 3.37%C, 3.44%Si, 0.44%Mn, 4.43%CE), solidified in standard thermal analysis ceramic cup. S-bearing coatin
Externí odkaz:
https://doaj.org/article/933bf32470cb4419ba80587ab043a993
Publikováno v:
Metals, Vol 10, Iss 8, p 1091 (2020)
Previous experiments pointed out that the deviation using a sphere as reference of graphite particles is noticeably increased by Si-alloying, with inoculation as a possible beneficial effect. The main objective of the present work is to evaluate the
Externí odkaz:
https://doaj.org/article/e2ca55b8db124757866a2fe5fc971bb6
Publikováno v:
China Foundry, Vol 12, Iss 3, Pp 222-230 (2015)
The relative performance of coatings for furan resin sand moulds [P-toluol sulphonic acid (PTSA) as hardener] [FRS-PTSA moulds], was compared by analyzing the surface layer for degenerated graphite in Mg treated iron with 0.020wt.% to 0.054wt.% Mgres
Externí odkaz:
https://doaj.org/article/72623a23a6a24f11b5dbf352b1ccd972
Publikováno v:
China Foundry, Vol 11, Iss 4, Pp 351-364 (2014)
The paper reviews original data obtained by the present authors, revealed in recent separate publications, describing specific procedures for high quality grey irons, and reflecting the forecast needs of the worldwide iron foundry industry. High powe
Externí odkaz:
https://doaj.org/article/0b39587c5db549ca9655d7b252094422
Publikováno v:
China Foundry, Vol 8, Iss 2, Pp 228-234 (2011)
Recent studies revealed that in eutectic to slightly hypereutectic grey irons (CE = 4.3%-4.5%) the presence of austenite dendrites provides an opportunity to improve the cast iron properties, as a high number of eutectic cells are “reinforced” by
Externí odkaz:
https://doaj.org/article/88f14ecc93cc4f929c38e9b774c5acab
Publikováno v:
China Foundry, Vol 7, Iss 2, Pp 163-170 (2010)
The main objective of the present paper is to review the specific characteristics and performance obtaining conditions of heavy ductile iron (DI) castings, typically applied in windmills industry, such as hubs and rotor housings. The requirements for
Externí odkaz:
https://doaj.org/article/860921ef7da54b60b687b2ec91aaff6b
Publikováno v:
China Foundry, Vol 6, Iss 4, Pp 352-357 (2009)
Despite the cubic system, the ability of sulphides to nucleate graphite can be enhanced by inoculating elements which transform them in complex compounds with a better lattice matching to graphite, a low coagulation capacity, good stability and adequ
Externí odkaz:
https://doaj.org/article/792841ebd2ed4abe906bcd63a25c6d8c
Publikováno v:
China Foundry, Vol 6, Iss 2, Pp 145-151 (2009)
The effect of addition of 0.05wt.% to 0.25 wt.% Ca, Zr, Al-FeSi alloy on in-ladle and in-mould inoculation of grey cast irons was investigated. In the present paper, the conclusions drawn are based on thermal analysis. For the solidification pattern,
Externí odkaz:
https://doaj.org/article/5c12fa248fdb47b1bb757def0ec0728a
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 31, Iss 2 (2008)
A research was done to investigate the effect of 0.05…0.25 wt.% addition rate of Ca, Zr, Al – FeSi alloy, in ladle and in-mould inoculation of grey cast irons. In the present paper, the conclusions drawn are based on thermal analysis. For solidif
Externí odkaz:
https://doaj.org/article/46b60f101f9945afa3be304d43a0cbe1