Abstract

Measurement of Mechanical Properties and Microstructure of Cu-Ni-Cr Spinodal Alloy

Highlights

  • The objective of this research is to investigate the spinodal characteristics of Cu-Ni-Cr alloy and correlate its mechanical properties with the changes in microstructure during spinodal decomposition

  • A set of study was committed to these alloys to advance their mechanical properties

  • If we look at the microstructures of small time aged samples at 300400%, we can only see mottling; clear periodic structures are observed above 500°C (Fig 6)

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Summary

Introduction

The objective of this research is to investigate the spinodal characteristics of Cu-Ni-Cr alloy and correlate its mechanical properties with the changes in microstructure during spinodal decomposition. A set of study was committed to these alloys to advance their mechanical properties. By adding ternary alloying element like Cr will introduces miscibility gaps in Cu-Ni binary system which make this alloy subject to heat treatment and modify the properties of the binary alloys. Meijering et al reported miscibility gap in the Cu-Ni-Cr structure, with the help of X-ray and metallographic diffraction process at 930°C (Fig. 1). The changes in microstructure of the alloy have major result on its material goods. Spinodal decomposition produces modulated microstructure and period action develops the strong point of the spinodally decomposable alloys [1]

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