Founding Research Journal

Founding Research Journal

Investigation of AISI 321/Al Interface in Compound Casting at 840 °C‎

Document Type : Original Research Article

Authors
1 M.Sc., Department of Metallurgy and Materials Engineering, Faculty of Engineering, Arak University, Arak, Iran
2 Assistant Professor, Engineering Department of Materials and Metallurgy, Islamic Azad University Karaj Branch
10.22034/frj.2024.422960.1187
Abstract
Compound casting is a specialized manufacturing process used to create ‎components or structures composed of two separate metals. In this research, ‎bimetallic compounds consisting of AISI 321 and Co. were produced by ‎the compound casting method. This process involves pouring molten metal onto a ‎steel core. During the casting process, the molten company surrounds the core ‎and can solidify due to the dynamic interaction between the liquid and the steel. ‎This agent and passivity create a unique relationship between two substances ‎and as a result, intermetallic compounds are created. In this research, two key ‎factors with the volume of the molten metal to the volume of the solid ‎core have been investigated. These changes were analyzed using electron ‎microscopy (SEM) with elemental point analysis (EDS). The results show that ‎increasing the ratio of the volume of the melt to the solid is related to the ‎increase of the thickness of the joint and the steel. When the ratio of melt to ‎solid volume increased, the solidification time also increased. This increase in ‎freezing time has an effect on the amount of steel penetration in the solid metal ‎being frozen. The results of EDS analysis showed that the bimetallic master ‎chapter consists of different intermetallic compounds, which include FeAl3, ‎Fe2Al5, FeAl2, and FeAl. These compounds are formed due to the chemical ‎reactions between steel and steel at the interface, and their presence is important ‎in understanding the properties and behavior of the composite structure.‎
Keywords
Subjects

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Volume 7, Issue 1 - Serial Number 22
Spring and Summer
Spring 2023
Pages 35-44

  • Receive Date 19 November 2023
  • Revise Date 27 January 2024
  • Accept Date 28 January 2024