Results 31 to 40 of about 1,882 (197)

Direct laser-filler wire welding of Al–Si coated 22MnB5 steel without removing the Al–Si coating

open access: yesJournal of Materials Research and Technology, 2023
Al–Si coated 22MnB5 steels are one of the most important lightweight materials for automotive weight reduction and safety improvement due to its advantages of light weight, high strength and good formability at high temperature. Considering the formation
Wei Xu   +5 more
doaj   +1 more source

Study on the improving effect of Nb-V microalloying on the hydrogen induced delayed fracture property of 22MnB5 press hardened steel

open access: yesMaterials & Design, 2023
Press-hardened steel (PHS) is widely used in manufacturing automobile parts and is sensitive to hydrogen embrittlement (HE). A novel 0.04Nb-0.04 V (wt%) PHS (22MnB5NbV) was developed based on 22MnB5. The constant-strain bending test shows the duration of
Lintao Gui   +12 more
doaj   +1 more source

Microstructure and mechanical properties of fiber laser welded QP980/press-hardened 22MnB5 steel joint

open access: yesJournal of Materials Research and Technology, 2020
Fiber laser welding of QP980 steel and press-hardened 22MnB5 steel in butt configuration was performed in this study. The effect of heat input on microstructure evolution and mechanical properties of dissimilar joint was investigated.
Hongyun Zhao   +7 more
doaj   +1 more source

Microstructural Evolution of a Hot-Stamped Boron Steel Automotive Part and Its Influence on Corrosion Properties and Tempering Behavior

open access: yesMaterials Research, 2023
Boron-manganese steel 22MnB5 is extensively used in structural automotive components. Knowledge about its microstructural evolution during hot stamping and resistance spot welding (RSW) is extremely relevant to guarantee compliance with application ...
Tiago N. Lima   +6 more
doaj   +1 more source

Dynamic Tensile Testing of Ultrahigh Strength Hot Stamped Martensitic Steels [PDF]

open access: yes, 2016
Tensile testing over strain rates of 0.001, 1, 100, and 200 s−1 is performed on three novel ultrahigh strength hot stamped martensitic steels, namely 38MnB5, 15MnCr5, and 25MnVB5, in addition to the conventional “boron steel” for automotive hot stamping ...
Danks, S.   +2 more
core   +1 more source

Utilisation de l'imagerie IR pour l'étude de la fatigue des aciers : Premières observations d'effets de surface [PDF]

open access: yes, 2012
International audienceDe nouvelles méthodes de caractérisation de la tenue à la fatigue des matériaux métalliques par mesure thermique sont développées depuis plusieurs années.
Calloch, Sylvain   +4 more
core   +4 more sources

New Multiphase CP and DP 1000 MPa strength level grades for improved performance after hot forming [PDF]

open access: yes, 2019
Pure martensitic steels have after hot forming limited performance in terms of rest ductility which limits the application in crash relevant parts. New steel grades were designed in the EU project HOTFORM including the corresponding process routes. These
Aranguren, Iñigo   +6 more
core   +1 more source

Dissipation measurements in steel sheets under cyclic loading by use of infrared microthermography [PDF]

open access: yes, 2010
WOSInternational audienceHeterogeneous dissipation in steel sheets due to cyclic loading is difficult to measure, especially in the transverse direction because of the high conductivity and low thickness of the sheets. The goal of this article is thus to
Calloch, Sylvain   +4 more
core   +2 more sources

Effect of oscillation frequency on the mechanical properties and failure behaviors of laser beam welded 22MnB5 weld

open access: yesJournal of Materials Research and Technology, 2023
Al–Si coated 22MnB5 steel is a lightweight material that helps significantly reduce vehicle weight and fuel consumption. In this article, the effect of different oscillation frequencies on the fraction of α-ferrite, the cross-sectional shape ...
Wei Xu, Wu Tao, Haiwen Luo, Shanglu Yang
doaj   +1 more source

Concept Validation for Selective Heating and Press Hardening of Automotive Safety Components with Tailored Properties [PDF]

open access: yes, 2014
© (2014) Trans Tech Publications, Switzerland.A new strategy termed selective heating and press hardening, for hot stamping of boron steel parts with tailored properties is proposed in this paper.
Balint, D   +4 more
core   +1 more source

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