摘要
1.Introduction The pursuit of advanced high-strength steels(AHSS)has been rising for the automobile industry to build lightweight and fuelefficient vehicles without compromising crashworthiness[1,2].The group of press hardening steels(PHS)is an excellent candidate that comprises high strength,high toughness,and good formability,which are optimal to build intrusion resistant components such as(ⅰ)A/B-pillar reinforcements,(ⅱ)bumper and door beams.
基金
the support from the National Natural Science Foundation of China(No.U1764252)
the Guangzhou Municipal Science and Technology Project(No.202007020007)
the National Key Research and Development Program of China(No.2019YFA0209900)
the Guangdong Basic and Applied Basic Research Foundation of China(No.2020B1515130007)
the Research Grants Council of Hong Kong(Nos.R7066–18,17255016,17210418)。
