Zobrazeno 1 - 10
of 235
pro vyhledávání: '"Grabowska B."'
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 4, Pp 25-30 (2017)
The paper presents the results of thermoanalytical studies by TG/DTG/DTA, FTIR and GC/MS for the oil sand used in art and precision foundry. On the basis of course of DTG and DTA curves the characteristic temperature points for thermal effects accomp
Externí odkaz:
https://doaj.org/article/efccf2653e644bfca7d027b6aea727b0
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 4, Pp 51-60 (2017)
The effects of silica additive (Poraver) on selected properties of BioCo3 binder in form of an aqueous poly(sodium acrylate) and dextrin (PAANa/D) binder were determined. Based on the results of the thermoanalytical studies (TG-DTG, FTIR, Py-GC/MS),
Externí odkaz:
https://doaj.org/article/92f7f62c91ef4ee7b479cf8313e8dd43
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 1, Pp 79-82 (2017)
Emission of gases under high temperature after pouring molten metal into moulds, which contain the organic binder or other additives (solvents or curing agent), may be an important factor influencing both on the quality of the produced castings, and
Externí odkaz:
https://doaj.org/article/57c3faf666f14de68dc8537bd58a0105
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 4, Pp 187-190 (2016)
No-bake process refers to the use of chemical binders to bond the moulding sand. Sand is moved to the mould fill station in preparation for filling of the mould. A mixer is used to blend the sand with the chemical binder and activator. As the sand ex
Externí odkaz:
https://doaj.org/article/37a902417a894fa59a127b8abaf6030b
Physico-Chemical and Environmental Characterisation of the Dust from Dry Dedusting of the Green Sand
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 4, Pp 33-36 (2016)
The article presents research results of physico-chemical and environmental issues for the dust generated during dedusting of the installation for the processing and preparation of moulding sand with bentonite. Particular attention was paid to the co
Externí odkaz:
https://doaj.org/article/b171c562955f459fa2c1451b303554b7
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 3, Pp 77-82 (2016)
Refinement is one of the most energy consuming technological process, aimed at obtaining mineral raw materials of the proper grain size. Cast structural elements such as jaws or hammers in crushing machines operate under conditions of an intensive we
Externí odkaz:
https://doaj.org/article/3c528a406ddf41e0b4f48dce6f6e5304
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 2, Pp 85-88 (2016)
The spectroscopic FT-IR and FT-Raman methods allowed to identify the cross-linking process of the aqueous composition of poly(acrylic acid)/sodium salt of carboxymethyl starch (PAA/CMS-Na) applied as a binder for moulding sands (as a novel group bind
Externí odkaz:
https://doaj.org/article/50852be79da445599263c352927ccaf7
Publikováno v:
Archives of Foundry Engineering, Vol 16, Iss 2, Pp 89-94 (2016)
In order to increase wear resistance cast steel casting the TiC-Fe-Cr type composite zones were fabricated. These zones were obtained by means of in situ synthesis of substrates of the reaction TiC with a moderator of a chemical composition of white
Externí odkaz:
https://doaj.org/article/302601d05e68486a82d7c4ae5e0bf8d5
Publikováno v:
Archives of Metallurgy and Materials, Vol 59, Iss 3, Pp 1023-1027 (2014)
For the practical and functional reasons the investigation of the thermal decomposition process is of an essential meaning in relation to the thermal stabilisation of materials and obtaining for them the desired thermal properties. On the other side,
Externí odkaz:
https://doaj.org/article/9bf0ccade25e468d8fe51a1f616f2ee0
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