ZnFe Coated 22MnB5 Steels in Direct Press Hardening: the Relationships between Coating Structure and Process Parameters
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ZnFe Coated 22MnB5 Steels in Direct Press Hardening: the Relationships between Coating Structure and Process Parameters. / Järvinen, Henri ; Järn, Sanna; Lepikko, Emmi; Järvenpää, Martti; Peura, Pasi .
julkaisussa: Key Engineering Materials, Vuosikerta 674, 2016, s. 331 - 336.Tutkimustuotos › › vertaisarvioitu
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TY - JOUR
T1 - ZnFe Coated 22MnB5 Steels in Direct Press Hardening: the Relationships between Coating Structure and Process Parameters
AU - Järvinen, Henri
AU - Järn, Sanna
AU - Lepikko, Emmi
AU - Järvenpää, Martti
AU - Peura, Pasi
PY - 2016
Y1 - 2016
N2 - Abstract. Two types of press hardening experiments were carried out to investigate the behavior of ZnFe coated 22MnB5 steel in direct press hardening process. The coating properties were studied using variable process temperatures and times with a flat-die and a forming tool. Coatings were analyzed with optical and scanning electron microscopes. The results indicated that steels that have low coating weights (40/40 and 50/50 g/m2) may be processed successfully with short dwell times. For high coating weights (70/70 and 80/80 g/m2) a significantly longer dwell time is needed. The behavior of ZnFe coating in hot press forming experiments was in line with literature and the findings of the flat-die experiments. Thus, the feasibility of the experimental press hardening equipment was confirmed.
AB - Abstract. Two types of press hardening experiments were carried out to investigate the behavior of ZnFe coated 22MnB5 steel in direct press hardening process. The coating properties were studied using variable process temperatures and times with a flat-die and a forming tool. Coatings were analyzed with optical and scanning electron microscopes. The results indicated that steels that have low coating weights (40/40 and 50/50 g/m2) may be processed successfully with short dwell times. For high coating weights (70/70 and 80/80 g/m2) a significantly longer dwell time is needed. The behavior of ZnFe coating in hot press forming experiments was in line with literature and the findings of the flat-die experiments. Thus, the feasibility of the experimental press hardening equipment was confirmed.
U2 - 10.4028/www.scientific.net/KEM.674.331
DO - 10.4028/www.scientific.net/KEM.674.331
M3 - Article
VL - 674
SP - 331
EP - 336
JO - Key Engineering Materials
JF - Key Engineering Materials
SN - 1013-9826
ER -