Gas Emissivity of a Modified Cellulose Mix at the Temperature of 900°C

• Autorzy: Zawieja Z. , Sawicki J.

Identyfikatory

DOI

10.1515/afe-2015-0067

• Języki publikacji: EN

Abstrakty

EN

This paper presents the findings of a study of gas emissivity and the volumetric gas flow rate from a patented modified cellulose mix used in production of disposable sand casting moulds. The modified cellulose mix with such additives as expanded perlite, expanded vermiculite and microspheres was used as the study material. The results for gas emissivity and the gas flow rate for the modified cellulose mix were compared with the gas emissivity of the commercial material used in gating systems in disposable sand casting moulds. The results have shown that the modified cellulose mix is characterized by a lower gas emissivity by as much as 50% and lower gas flow rate per unit mass during the process of thermal degradation at the temperature of 900°C, compared to the commercial mix. It was also noted that the amount of microspheres considerably affected the amount of gas produced.

Słowa kluczowe

EN

cellulose mix; gas emissivity; gating system

PL

mieszanka celulozowa; emisyjność gazowa; układ wlewowy

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2015
• Tom: Vol. 15, iss. 3
• Strony: 91--94
• Opis fizyczny: Bibliogr. 21 poz., rys., tab., wykr.

Twórcy

autor

Zawieja Z.

• Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15 Street, 90-924 Łódź, Poland

autor

Sawicki J.

• Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15 Street, 90-924 Łódź, Poland

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