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Identified influencing factors to control to remove any hydrogen-induced delayed fracture risk on Usibor 1500 parts = : Identifizierte Einflussfaktoren, die zu kontrollieren sind, um jedes wasserstoffinduzierte verzögerte Bruchrisiko an Usibor 1500-Teilen zu beseitigen

The proportion of high strength steels in modern cars increases continuously. In this framework, boron steel with Al-Si coating experiences a rapid growth in anti-intrusion applications thanks to its superior mechanical properties. However, such very hard microstructures can be sensitive to delayed... Full description

Published: Warrendale, Association for Iron & Steel Technology (AIST), 2017
Kongresse: International Conference on Hot Sheet Metal Forming of High-Performance Steel 6 2017.06.04-2017.06.07 Atlanta, GA, US
CHS2 6 2017.06.04-2017.06.07 Atlanta, GA, US
International Conference on Hot Sheet Metal Forming of High-Performance Steel 6th 2017.06.04-2017.06.07 Atlanta, GA, US
CHS2 2017 2017.06.04-2017.06.07 Atlanta, GA, US
Contained in: CHS2, International Conference on Hot Sheet Metal Forming of High-Performance Steel, 6 (2017), p. 195-203
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Additional Keywords: ABKUEHLUNGSGESCHWINDIGKEIT
ANWENDUNG-IM-FAHRZEUGBAU
AUSTENITISIERUNG
BIEGEPRUEFUNG
EIGENSPANNUNG
EINFLUSSGROESSE
HALTEZEIT
HOCHFESTER-STAHL
MANGAN-BOR-STAHL
MECHANISCHE-EIGENSCHAFT
MIKROGEFUEGE
PRESSHAERTEN
TAUPUNKT
TEMPERATUREINFLUSS
THERMISCHE-DESORPTION
VERFAHRENSFENSTER
VERWEILZEIT
VERZOEGERTER-BRUCH
WASSERSTOFFABSORPTION
WASSERSTOFFINDUZIERTE-RISSBILDUNG
Notes: Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG
Copyright: (C) Alle Rechte beim Herausgeber
Physical Description: 9 Seiten, 8 Bilder, 2 Tabellen, 9 Quellen
PPN (Catalogue-ID): WTI05828558X
Note: WTI TEMA DB
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Internes Format
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245 0 0 |a Identified influencing factors to control to remove any hydrogen-induced delayed fracture risk on Usibor 1500 parts =  |b Identifizierte Einflussfaktoren, die zu kontrollieren sind, um jedes wasserstoffinduzierte verzögerte Bruchrisiko an Usibor 1500-Teilen zu beseitigen 
264 3 1 |a Warrendale  |b Association for Iron & Steel Technology (AIST)  |c 2017 
300 |a 9 Seiten, 8 Bilder, 2 Tabellen, 9 Quellen 
500 |a Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG 
500 |a Copyright: (C) Alle Rechte beim Herausgeber 
520 |a The proportion of high strength steels in modern cars increases continuously. In this framework, boron steel with Al-Si coating experiences a rapid growth in anti-intrusion applications thanks to its superior mechanical properties. However, such very hard microstructures can be sensitive to delayed fracture if the process windows are not respected. Hydrogen-induced delayed cracks can appear only by simultaneous occurrence of three conditions: critical amount of diffusible hydrogen, critical amount of stresses and high strength material (like martensitic steel). The diffusible hydrogen is then one key parameter to control for safety improvement. In this paper, we study the parameters governing absorption and desorption of diffusible hydrogen in aluminized boron steel. We demonstrate that the dew point and the austenitizing holding time have a large influence on diffusible hydrogen content. Simultaneously, four-point bending test was used to determine acceptable limits of diffusible hydrogen and to propose delayed fracture maps, aiming to determine safe process areas: the critical diffusible hydrogen content depends in fact on the whole process-chain among others on the used trimming-method-parameters and on the assembling tolerances. This work illustrates that it is possible to master any risk of delayed fracture on Usibor 1500 parts before the paint-baking by respecting the process windows. After paint backing there is no more risk thanks to the diffusible hydrogen degassing. 
653 4 |a MANGAN-BOR-STAHL 
653 4 |a VERZOEGERTER-BRUCH 
653 4 |a WASSERSTOFFINDUZIERTE-RISSBILDUNG 
653 4 |a EINFLUSSGROESSE 
653 4 |a HOCHFESTER-STAHL 
653 4 |a ANWENDUNG-IM-FAHRZEUGBAU 
653 4 |a MECHANISCHE-EIGENSCHAFT 
653 4 |a MIKROGEFUEGE 
653 4 |a WASSERSTOFFABSORPTION 
653 4 |a TAUPUNKT 
653 4 |a HALTEZEIT 
653 4 |a VERFAHRENSFENSTER 
653 4 |a EIGENSPANNUNG 
653 4 |a THERMISCHE-DESORPTION 
653 4 |a TEMPERATUREINFLUSS 
653 4 |a BIEGEPRUEFUNG 
653 4 |a AUSTENITISIERUNG 
653 4 |a VERWEILZEIT 
653 4 |a ABKUEHLUNGSGESCHWINDIGKEIT 
653 4 |a PRESSHAERTEN 
711 2 |a International Conference on Hot Sheet Metal Forming of High-Performance Steel  |n 6  |d 2017.06.04-2017.06.07  |c Atlanta, GA, US 
711 2 |a CHS2  |n 6  |d 2017.06.04-2017.06.07  |c Atlanta, GA, US 
711 2 |a International Conference on Hot Sheet Metal Forming of High-Performance Steel  |n 6th  |d 2017.06.04-2017.06.07  |c Atlanta, GA, US 
711 2 |a CHS2  |n 2017  |d 2017.06.04-2017.06.07  |c Atlanta, GA, US 
773 0 8 |i In  |t CHS2, International Conference on Hot Sheet Metal Forming of High-Performance Steel, 6  |g (2017), p. 195-203  |q <195-203  |z 978-1-935117-66-7  |z 978-1-935117-66-7 
912 |a GBV_WTI 
950 |a Mangan-Bor-Stahl  |a verzögerter Bruch  |a wasserstoffinduzierte Rissbildung  |a Einflussfaktor  |a hochfester Stahl  |a Anwendung im Fahrzeugbau  |a mechanische Eigenschaft  |a Mikrostruktur  |a Wasserstoffabsorption  |a Taupunkt  |a Haltezeit  |a Prozessfenster  |a Eigenspannung  |a thermische Desorption  |a Temperatureinfluss  |a Biegeprüfung  |a Austenitisierung  |a Verweilzeit  |a Abkühlungsgeschwindigkeit  |a Presshärten  |2 DE-601 
950 |a Al-Si-Beschichtung  |a Wasserstoffdesorption  |a Wasserstoffgehalt  |a Elektrobeschichtung  |a Lackeinbrennen  |2 DE-601 
951 |a AR 
952 |j 2017  |h 195-203