Effect of Liquid Forging Pressure on Solubility and Freezing Coefficients of Cast Aluminum 2124, 2218 and 6063 Alloys

• Autorzy: Tirth Vineet , Arabi Amir

Identyfikatory

DOI

10.24425/amm.2020.131738

• Języki publikacji: EN

Abstrakty

EN

Liquid forging alias squeeze casting gives the combined advantage of casting and forging. Optimum process parameters are important to get a cost-efficient process. In this study, four materials have been identified, which are extensively used in industries. These materials are commercially pure Al and three Al-alloys namely, 2124, 2218 and 6063. The pouring temperature and the mold temperature is maintained at 700°C and 250°C respectively. The materials were developed at seven pressure variations from 0 to 150 MPa. The effect of the pressure on the microstructures, porosity, and hardness has been reported. The coefficient of solubility is estimated for all materials and a polynomial relationship is found to be the best fit with the applied pressure. The pressure of 100 MPa gives better increment in hardness. The melting point and the freezing coefficient of the materials under study have been determined. A linear relationship between the pressure and the freezing time is deduced. It is observed that the solubility and the freezing coefficients depend on the pressure as well, in addition to the composition and temperature.

Słowa kluczowe

EN

liquid forging; porosity; hardness; solubility coefficient; freezing coefficient

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 1
• Strony: 357--366
• Opis fizyczny: Bibliogr. 38 poz., fot., rys., tab., wzory

Twórcy

autor

Tirth Vineet

• Associate Professor, Mechanical Engineering Department, College of Engineering, King Khalid University, Abha-61411, Asir, Kingdom of Saudi Arabia

autor

Arabi Amir

• Associate Professor, Mechanical Engineering Department, College of Engineering, King Khalid University, Abha-61411, Asir, Kingdom of Saudi Arabia

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Uwagi

EN

1. Authors thankfully acknowledge the funding and support provided by Deanship of Scientific Research, King Khalid University, Abha-Asir, Kingdom of Saudi Arabia, with grant number G. R. P.-321-40 to complete the research work.

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).