Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Castings Defects"'
Publikováno v:
Archives of Foundry Engineering, Vol vol. 22, Iss No 1, Pp 53-61 (2022)
Nowadays, the best castings’ manufacturers have to meet very demanding requirements and specifications applicable to mechanical properties and other characteristics. To fulfill those requirements, more and more sophisticated methods are being used
Externí odkaz:
https://doaj.org/article/56f4bd23a22f4ddab1a1b643d19b2e23
Publikováno v:
Archives of Foundry Engineering, Vol vol. 22, Iss No 1, Pp 69-76 (2022)
The production of high pressure die casts also brings difficulties regarding the processing of the waste material. It is mainly formed by runners, overflows and other foundry supplements used and, in the case of machines using the cold chamber, also
Externí odkaz:
https://doaj.org/article/3aec8836b89b422a88b448d3c7297d1a
Publikováno v:
Proceedings on Engineering Sciences, Vol 2, Iss 4, Pp 353-360 (2020)
This paper discusses the identification, mechanism and causes for the rough surface defect on the sand castings. In foundries raw materials are transformed into finished casting using many intermediate processes like pattern making, moulding, core ma
Externí odkaz:
https://doaj.org/article/0303047c3f3f47afa15a290aada6bb0a
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 64, Iss No 4, Pp 1433-1439 (2019)
The paper includes validation studies of the flow module of the NovaFlow&Solid simulation code. Experiments of ductile iron and gray iron casting in a spiral test of castability were carried out. Casting experiments were then carried out in industria
Externí odkaz:
https://doaj.org/article/94f9de330d5249f6903c3d58d96637a4
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 3, Pp 91-96 (2017)
The article summarizes the theoretical knowledge from the field of brazing of graphitic cast iron, especially by means of conventional flame brazing using a filler metal based on CuZn (CuZn40SnSi – brass alloy). The experimental part of the thesis
Externí odkaz:
https://doaj.org/article/ae19946947834dd6abe9d086d90e9c26
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 1, Pp 57-66 (2017)
The paper presents the results of experimental-simulation tests of expansion-shrinkage phenomena occurring in cast iron castings. The tests were based on the standard test for inspecting the tendency of steel-carbon alloys to create compacted discont
Externí odkaz:
https://doaj.org/article/eeba97ce4959475183882b499cce1fc5
Autor:
Kaźnica N., Zych J.
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 1, Pp 87-92 (2017)
The results of researches of sorption processes of surface layers of components of sand moulds covered by protective coatings are presented in the hereby paper. Investigations comprised various types of sand grains of moulding sands with furan resin:
Externí odkaz:
https://doaj.org/article/b9a557d25d3d4927805c08a76a6b1fc7
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 1, Pp 335-338 (2017)
In recent years, ingredients, also known as additives, which appreciably affect the quality of the casting surface, come to the fore. Additives - lower the temperature at which SiO2 (major component of silica sand) begins to soften and create a melt
Externí odkaz:
https://doaj.org/article/37e3887e70674f0382e69a780984c6b4
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 4, Pp 61-64 (2016)
The paper presents results of the possibility of adapting the Althoff-Radtke test for High Chromium Cast Iron. The Althoff-Radtke test is a clump attempt used for steel. The Althoff-Radtke test has four different lengths of clamp which qualifies it a
Externí odkaz:
https://doaj.org/article/f1001f3f080d490391fd0485d13c5ee2
Publikováno v:
Archives of Foundry Engineering, Vol 15, Iss 4, Pp 37-44 (2015)
The validation of each simulation code used in foundry domain requires individual approach due to its specificity. This validation can by elaborated on the basis of experimental results or in particular cases by comparison the simulation results from
Externí odkaz:
https://doaj.org/article/29a815e4333f43f682ab1a57e0d81b2e