Transient Thermal Behaviour in a Model of Linear Friction Welding

TL;DR

This paper develops a non-local mathematical model to analyze how temperature evolves during linear friction welding, considering both short-term and long-term thermal behaviors.

Contribution

It introduces a novel non-local model capturing the temperature-velocity coupling in linear friction welding, advancing understanding of thermal dynamics in the process.

Findings

Model describes short- and long-time thermal behaviors.

Non-local effects significantly influence temperature evolution.

Provides insights into thermal management in welding processes.

Abstract

We derive a non-local model for the evolution of temperature in workpieces being joined by linear friction welding. The non-locality arises through the velocity being fixed by the temperature gradient at the weld. Short- and long-time behaviours are considered.