Solid-State Diffusion: An Introduction

TL;DR

This paper provides an introductory overview of solid-state diffusion, detailing mechanisms, laws, and applications relevant to materials engineering and various industrial processes.

Contribution

It offers a comprehensive introduction to solid-state diffusion, emphasizing its mechanisms, laws, and significance in multiple materials processing techniques.

Findings

Explains vacancy and interstitial diffusion mechanisms

Highlights the role of Fick's laws in diffusion processes

Connects diffusion to practical applications like welding and sintering

Abstract

This research explores an introduction to solid-state diffusion, focusing on its importance in materials engineering. It examines vacancy and interstitial diffusion mechanisms, the application of Fick's laws, and their impact on processes such as phase precipitation and recrystallization in metals and alloys. Additionally, it addresses its relevance in grain growth, diffusion welding, and sintering, which are critical processes to improve the properties of materials with engineering applications in various areas such as biomedical, electrical, and chemistry.