期刊
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING
卷 25, 期 6, 页码 447-467出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/13621718.2020.1742472
关键词
Fibre laser welding; press-hardened steel; ultra-high strength steel; hotstamped parts; tailor-welded blanks; 22MnB5; Al-Si coating; Zn-Coating
资金
- Natural Sciences and Engineering Research Council of Canada
- Canada Research Chairs Program
The current demand for vehicles with high fuel efficiency, improved safety and enhanced crashworthiness qualities is being met by making use of high strength components with tailored mechanical properties which are made using tailor-welded blanks. During their production, the surface of the blank needs to be protected against oxidation and decarburisation. Protective coatings are used to protect the steel surface, with Aluminium-Silicon or Zinc-based coatings being the most popular. This work provides a review on the state-of-the-art as well as the issues associated with the laser welding of coated 22MnB5 grade steel to be used in the production of tailor-welded blanks. The paper provides a summary of existing solutions available to overcome these issues while discussing their limitations and the potential for future work.
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