Effect of dispersion hardening process on elongation of EN AB-43200 silumin

• Autorzy: Pezda J.
• Języki publikacji: EN

Abstrakty

EN

Aluminum alloys belong to the second, after ferrous alloys, group of material having the biggest application in technology. Mass of metal structures is of important value, what involves lightweight mass of materials used in a given structure. Lightweight metals are used more and more often in metal structures, whereas aluminum and its alloys are the most widespread. Mechanical and technological properties of castings produced from Al-Si alloys depend on correct melting and pouring process, design of the castings and moulds and their heat treatments. Reduction of production costs requires selection of optimal parameters of the heat treatment (temperatures and durations of the treatments). The paper describes implementation of the ATD method to determination of hyperquenching and ageing treatments of EN AB-43200 (AK9) silumin. Investigated alloy was melted in electric resistance furnace. In the next stage the alloy underwent the treatment of refining and modification. Course of crystallization is presented with use of thermal-derivative analysis (ATD). That method was also used to determination of temperature range of heat treatments of the alloy. Obtained results apply to solidification curves recorded with use of the ATD method, light microscopy, strength tests and determination of an effect of heat treatment parameters on A5 elongation of the investigated alloy. On base of the performed tests of heat treated alloys there was determined an effect of selected parameters on obtained elongation (A5).

Słowa kluczowe

EN

mechanical properties; crystallization; dispersion hardening; ATD

PL

właściwości mechaniczne; krystalizacja; utwardzanie dyspersyjne; metoda ATD

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2008
• Tom: Vol. 8, iss. 4
• Strony: 167--170
• Opis fizyczny: Bibliogr. 13 poz., rys., tab.

Twórcy

autor

Pezda J.

• Institute of Chipless Technology, Academy of Technology and Humanities, 43–309 Bielsko – Biała, Willowa 2, Poland,

Bibliografia

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