Special Issue on Automotive Lightweight
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EDITORIAL PREFACE
Special Issue on Automotive Lightweight A. Erman Tekkaya1 · Junying Min2
© China Society of Automotive Engineers (China SAE) 2020
Lightweight is one of the core technologies to realize energy saving, to improve the safety and driving performance of vehicles, and to provide added passenger comfort as well. It is of special significance for increasing cruising range of electric or hybrid-powered vehicles. Beyond these, lightweight components use less mass and hence reduce the primary energy requirement imbedded in the component. Therefore, lightweight has always been a central topic and an important direction in the automotive field whether in the past or in the future. Lightweight promotes the increasing application of lightweight materials, such as advanced high-strength steels, Al and Mg alloys, carbon fiber-reinforced polymers, and hybrid metal–polymer composites, which requires innovative forming and joining processes to produce and assemble automotive components. The concept of the right material in the right place breeds multi-material car body, and philosophy is more needed than in the past to balance the maximal weight reduction, service performance, and cost of vehicles and to comprehensively employ lightweight materials, lightweight design strategies as well as lightweight processes. We hope this special issue will promote technological progress in automotive lightweight. Two articles address how to represent lightweight design by innovative forming processes and seek to address a hot issue in sheet metal forming; three articles are related to hybrid or dissimilar materials joining technologies; two articles deal with structural designs of lightweight electric vehicles; one article proposes an index to quantitatively evaluate the degree of automotive lightweight; and one article introduces and investigates lightweight materials, i.e., metal–FRP composites. * Junying Min [email protected] A. Erman Tekkaya [email protected]‑dortmund.de 1
Institute of Forming Technology and Lightweight, Components, TU Dortmund University, 44227 Dortmund, Germany
School of Mechanical Engineering, Tongji University, Shanghai 201804, China
2
The successful publication of this special issue is inseparable from the support of many parties in this difficult time of Coronavirus pandemic. First of all, we would like to deeply thank the authors for sharing their latest and excellent research results and timely submitting their original and revised manuscripts. We are indebted to the involved reviewers for their time and suggestive review comments that definitely increased the overall quality of the papers. China Automotive Lightweight Technology Innovation Strategic Alliance (CALA) is gratefully acknowledged due to the support in collecting manuscripts and in the organization of the international symposium dedicated to this special issue. Finally, we are grateful to the colleagues from the editorial office for providing numerous help and suggestions without reservations during the organization
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