For the 4th International MERGE Technologies Conference (IMTC) 2019 more than 200 leading scientists as well as representatives of companies and politics gathered in Chemnitz to discuss the key technology “Lightweight Construction”. In this special issue of Technologies for Lightweight Structures, selected peer-reviewed full papers showcase the high quality and variety of the conference programme.

For the 3rd International MERGE Technologies Conference (IMTC) 2017 more than 200 leading scientists as well as representatives of companies and politics gathered in Chemnitz to discuss the key technology “Lightweight Construction”. In this special issue of Technologies for Lightweight Structures, selected peer-reviewed full papers showcase the high quality and variety of the conference programme.