Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions

Open Access

Year : 2024 | Volume : 11 | Special Issue : 08 | Page : 279-291
By

    T. Parameshwaran Pillai

  1. K. S. Sajikumar

  2. K. Prasanth Kumar Reddy

  3. B. Nageswara Rao

  1. Associate Professor, 1Department of Mechanical Engineering, University College of Engineering, BIT Campus, Tiruchirappalli, Tamil Nadu, India
  2. Associate Professor, Department of Mechanical Engineering, College of Engineering Trivandrum, Thiruvananthapuram, Kerala, India
  3. Research Scholar, Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation (KLEF), Deemed to be University, Andhra Pradesh, India
  4. Professor, Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation (KLEF), Deemed to be University, Andhra Pradesh, India

Abstract

This article presents experimental details on 2124Al-10vol% SiCp composite tensile specimens, which were made by squeeze casting process. Cast metal composites are generally very brittle and have poor mechanical properties. To strengthen the matrix and improve ductility, the specimens were heat-treated by solutionizing and aging. Experiments were carried out at 3 different solutionizing temperatures, solutionizing time, aging temperature and aging time to examine the influence of heat treatment process parameters on the notched and unnotched tensile strength of the composite. Compact tension (CT) specimens with different crack lengths, crack mouth widths and thicknesses were tested to evaluate the fracture toughness of the composite. Experiments were planned according to the Taguchi’s L9 OA (orthogonal array). Factographs of tensile and CT specimens were made after the test using a scanning electron microscope (SEM). Energy dispersive X-ray analysis was carried out at different locations of the fractured specimens. The EDAX spectrum shows the chemical composition of inclusions and matrix components.

Keywords: EDAM spectrum; Fracture toughness; Metal matrix composites; SEM; Taguchi method; Tensile strength.

This article belongs to Special Issue Conference International Conference on Innovative Concepts in Mechanical Engineering (ICICME – 2023)

How to cite this article: T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy, B. Nageswara Rao Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions jopc 2024; 11:279-291
How to cite this URL: T. Parameshwaran Pillai, K. S. Sajikumar, K. Prasanth Kumar Reddy, B. Nageswara Rao Fracture behavior of 2124Al- 10vol% SiCp composite tensile specimens for different heat treatment conditions jopc 2024 {cited 2024 Feb 01};11:279-291. Available from: https://journals.stmjournals.com/jopc/article=2024/view=131071

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Conference Open Access Original Research
Volume 11
Special Issue 08
Received November 28, 2023
Accepted December 23, 2023
Published February 1, 2024