China Foundry
Title: Squeeze casting for metal alloys and composites: An overview of influence of process parameters on mechanical properties and microstructure
Author: Osarue Osaruene Edosa1, 2, Francis Kunzi Tekweme1, and *Kapil Gupta1
Address: 1. Department of Mechanical and Industrial Engineering Technology, University of Johannesburg, Johannesburg, Republic of South Africa; 2. Department of Mechanical Engineering, College of Engineering and Technology, William V.S. Tubman University, Harper, Maryland County, Republic of Liberia
Key words: composites; microstructure; optimization; porosity; solidification; squeeze casting
CLC Nmuber: TG146.21
Document Code: A
Article ID:
Abstract:
Squeeze casting is a well-established and reliable process for fabricating high-integrity metallic alloys, bimetals, and composites. The quality and high performance of squeeze cast components are dependent on optimum casting conditions. Inappropriate selection of parameter values may adversely affect the quality of the casting. The squeeze cast components are generally subjected to secondary processing such as heat treatment, extrusion, and other bulk deformation processes to improve the microstructural features and mechanical properties. Heat treatment further refines the grains and reduces porosity, consequently improving tensile strength, and hardness; however, ductility decreases. This paper provides a comprehensive review on studies concerning the influence of processing parameters on porosity, density, percentage elongation, strength, hardness, wear, and fracture of squeeze casting alloys, aiming to provide sufficient information on the squeeze casting process and the effects of processing parameters on product quality.