Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure Discussion

The purpose of the present study is three-fold. Firstly, it attempts to describe the bake hardening (BH) behavior of selected interstitial free (IF) and dual phase (DP) steels. Secondly, it predicts the BH behavior of the IF DX 51D and DP 500 HCT 590X plates of steel, and thirdly studies material fa...

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Main Authors: Mária Mihaliková, Kristína Zgodavová, Peter Bober, Andrea Sütőová
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/9/9/1016
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author Mária Mihaliková
Kristína Zgodavová
Peter Bober
Andrea Sütőová
author_facet Mária Mihaliková
Kristína Zgodavová
Peter Bober
Andrea Sütőová
author_sort Mária Mihaliková
collection DOAJ
description The purpose of the present study is three-fold. Firstly, it attempts to describe the bake hardening (BH) behavior of selected interstitial free (IF) and dual phase (DP) steels. Secondly, it predicts the BH behavior of the IF DX 51D and DP 500 HCT 590X plates of steel, and thirdly studies material failure prevention in scholarly sources. The research is aimed at investigating the increasing steel strength during the BH of these two high-strength sheets of steel used for outer vehicle body parts. Samples of steel were pre-strained to 1%, 2%, and 5% and then baked at 140−220 °C for 10 to 30 min. The BH effect was determined from three factors: pre-strain, baking temperature, and baking time. Research has shown that increasing the yield strength by the BH effect is predictable. Therefore, the number of experiments could be reduced for the investigation of BH effect for other kinds of IF and DP steels. The literature study of the hailstone failure reveals that the knowledge of BH steels behavior helps to calculate the steel supplier´s failure mode effect analysis (FMEA) risk priority number.
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spelling doaj.art-cb858370d51f4e41985ac281165258042022-12-21T20:37:03ZengMDPI AGMetals2075-47012019-09-0199101610.3390/met9091016met9091016Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure DiscussionMária Mihaliková0Kristína Zgodavová1Peter Bober2Andrea Sütőová3Faculty of Materials, Metallurgy and Recycling, Technical University of Košice, 04200 Košice, SlovakiaFaculty of Materials, Metallurgy and Recycling, Technical University of Košice, 04200 Košice, SlovakiaFaculty of Electrical Engineering and Informatics, Technical University of Košice, 04200 Košice, SlovakiaFaculty of Materials, Metallurgy and Recycling, Technical University of Košice, 04200 Košice, SlovakiaThe purpose of the present study is three-fold. Firstly, it attempts to describe the bake hardening (BH) behavior of selected interstitial free (IF) and dual phase (DP) steels. Secondly, it predicts the BH behavior of the IF DX 51D and DP 500 HCT 590X plates of steel, and thirdly studies material failure prevention in scholarly sources. The research is aimed at investigating the increasing steel strength during the BH of these two high-strength sheets of steel used for outer vehicle body parts. Samples of steel were pre-strained to 1%, 2%, and 5% and then baked at 140−220 °C for 10 to 30 min. The BH effect was determined from three factors: pre-strain, baking temperature, and baking time. Research has shown that increasing the yield strength by the BH effect is predictable. Therefore, the number of experiments could be reduced for the investigation of BH effect for other kinds of IF and DP steels. The literature study of the hailstone failure reveals that the knowledge of BH steels behavior helps to calculate the steel supplier´s failure mode effect analysis (FMEA) risk priority number.https://www.mdpi.com/2075-4701/9/9/1016bake hardeningdent resistancefailure studypolynomial regressionyield strengthautomotive steels
spellingShingle Mária Mihaliková
Kristína Zgodavová
Peter Bober
Andrea Sütőová
Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure Discussion
Metals
bake hardening
dent resistance
failure study
polynomial regression
yield strength
automotive steels
title Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure Discussion
title_full Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure Discussion
title_fullStr Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure Discussion
title_full_unstemmed Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure Discussion
title_short Prediction of Bake Hardening Behavior of Selected Advanced High Strength Automotive Steels and Hailstone Failure Discussion
title_sort prediction of bake hardening behavior of selected advanced high strength automotive steels and hailstone failure discussion
topic bake hardening
dent resistance
failure study
polynomial regression
yield strength
automotive steels
url https://www.mdpi.com/2075-4701/9/9/1016
work_keys_str_mv AT mariamihalikova predictionofbakehardeningbehaviorofselectedadvancedhighstrengthautomotivesteelsandhailstonefailurediscussion
AT kristinazgodavova predictionofbakehardeningbehaviorofselectedadvancedhighstrengthautomotivesteelsandhailstonefailurediscussion
AT peterbober predictionofbakehardeningbehaviorofselectedadvancedhighstrengthautomotivesteelsandhailstonefailurediscussion
AT andreasutoova predictionofbakehardeningbehaviorofselectedadvancedhighstrengthautomotivesteelsandhailstonefailurediscussion