Development of Hot Stamping for Automotive Panel Parts with Step-shaped Wall

2020 ◽  
Vol 61 (710) ◽  
pp. 75-80
Author(s):  
Kenichiro OTSUKA ◽  
Masafumi AZUMA ◽  
Yoshiaki NAKAZAWA ◽  
Riki OKAMOTO ◽  
Shunji HIWATASHI
Author(s):  
Kenichiro Otsuka ◽  
Masafumi Azuma ◽  
Yoshiaki Nakazawa ◽  
Riki Okamoto ◽  
Shunji Hiwatashi

Engineering ◽  
2014 ◽  
Vol 12 (5) ◽  
pp. 33
Author(s):  
Xiaona Wang ◽  
Fei Xiong ◽  
Jianwei Jin
Keyword(s):  

2012 ◽  
Vol 735 ◽  
pp. 301-306 ◽  
Author(s):  
Hai Jian Liang ◽  
Xiao Wei Wu ◽  
Yong Wang ◽  
Quan Lin Jin ◽  
Zhao Li Ma ◽  
...  

This article describes the high rate superplastic forming. The high rate superplastic forming technology is a new complex process,which integrates hot stamping and superplastic forming .It has feature of rapidity of the hot stamping and character of excellent formability of the superplastic forming.We obtained the best proportion of the hot forming and the superplastic forming through simulation experiment, and formed a car’s abonnet by applying the proportion.Compared with the high rate superplastic forming,the forming quality is better than that of hot forming. and the forming time is less than that of superplastic forming. Result shows that ,the high rate superplastic forming technology can meet the requirements for mass production.


CIRP Annals ◽  
2007 ◽  
Vol 56 (1) ◽  
pp. 269-272 ◽  
Author(s):  
H. Hoffmann ◽  
H. So ◽  
H. Steinbeiss
Keyword(s):  

Materials ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 1836
Author(s):  
Alexander Horn ◽  
Marion Merklein

Prior carburization of semi-finished steel sheets is a new process variant in hot stamping to manufacture parts with tailored properties. Compared to conventional hot stamping processes, a complex phase typed steel alloy is used instead of 22MnB5. Yet recent investigations focused on final mechanical properties rather than microstructural mechanisms cause an increase in strength. Thus, the influence of additional carburization on the microstructural evolution during hot stamping of a complex phase steel CP-W®800 is investigated within this work. The phase transformation behavior, as well as the grain growth during austenitization, is evaluated by in-situ measurements employing a laser-ultrasound sensor. The results are correlated with additional hardness measurements in as-quenched condition and supplementary micrographs. The experiments reveal that the carburization process significantly improves the hardenability of the CP-W®800. However, even at quenching rates of 70 K/s no fully martensitic microstructure was achievable. Still, the resulting hardness of the carburized samples might exceed the fully martensitic hardness of 22MnB5 derived from literature. Furthermore, the carburization process has no adverse effect on the fine grain stability of the complex phase steel. This makes it more robust in terms of grain size than the conventional hot stamping steel 22MnB5.


2021 ◽  
Vol 30 (4) ◽  
pp. 2732-2741
Author(s):  
Shixin Peng ◽  
Jie Zhou ◽  
Qiuyun Wang ◽  
Mengmeng Zhang ◽  
Qian Shu ◽  
...  

2021 ◽  
Vol 64 ◽  
pp. 916-926
Author(s):  
Ali Talebi-Anaraki ◽  
Tomoyoshi Maeno ◽  
Ryohei Ikeda ◽  
Kazui Morishita ◽  
Ken-ichiro Mori

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