In this paper an overview is given about laser surface modification processes, which are developed especially with the aim of hardness improvement for an enhanced fatigue and wear behaviour. The processes can be divided into such with and without filler material and in solid-state and melting processes. Actual work on shock hardening, transformation hardening, remelting, alloying and cladding i...

Laser surface hardening is an attractive heat treatment solution used to selectively enhance the properties of components by phase transformation. A quantitative parameter measure efficacy processes still lacking, which hinders its application in industries. In this paper, we propose a simple approach assess effectiveness process calculating thermal efficiency. The proposed method was applied c...