High strength steel in car structure: How to improve spot welding, assembly and crash performance

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Virtual Performance, Welding & Assembly

Introduction

While the weight saving potential of advanced materials – such as aluminum, high strength steels, and composites – is widely known, production difficulties and high costs prevent their extensive usage for the entire car body. Utilizing the most appropriate material for each application and component shows to be the most efficient lightweight strategy. However the adaptation of each part design and their assembly, while ensuring the performance of the multi-material assembled component is very challenging. Virtual prototyping can support optimal lightweight design with the latest advances in joining technologies, with the capability to predict the performances of the multi-material component. As lightweight isthe target, no over engineering or excessive margin can be taken.

Lightweight through mixed material #01:

Topic: Virtual spot welding and assembly to control car body distortion and improve crash performance

Highlights of the webinar:

  • Challenge of Weld Joining for High Strength Steel
  • Multi-scale models Spotweld Models
  • Virtual Performance prediction of a Mixed Material car including hotformed B-Pillars

Presenter of the webinar:

  • Alexandre Dumon -  Engineer Multi Material Assemblies of ESI Group Shanghai
  • Yannick Vincent - Welding Solution Product Manager of ESI Group

Webinar recording

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High strength steel in car structure: How to improve spot welding, assembly and crash performance