Journal ArticleDOI
Experimental investigation of the mechanical response of laser-welded dissimilar blanks from advanced- and ultra-high-strength steels
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In this article, the authors report experimental results on the mechanical response of dissimilar tailor-welded blanks (TWBs) from an advanced-and an ultra-high-strength steel for automotive applications.About:
This article is published in Materials & Design.The article was published on 2016-01-15. It has received 42 citations till now. The article focuses on the topics: Tensile testing & Ductility.read more
Citations
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Dual-phase steel sheets under cyclic tension–compression to large strains: Experiments and crystal plasticity modeling
TL;DR: In this article, a physically-based crystal plasticity model was developed for the prediction of cyclic tension-compression deformation of multi-phase materials, specifically dual-phase (DP) steels.
Deep drawing simulations of tailored blanks and experimental verification
TL;DR: In this article, simulations of the deep drawing of two products using Tailored Blanks are discussed and the correlation between the experimental results and the simulation results appears to be satisfactory, and the two products are stamped to gain experimental information.
Journal ArticleDOI
Plastic deformation of commercially-pure titanium: experiments and modeling
TL;DR: In this paper, the deformation-induced anisotropy and tension-compression asymmetry of commercially-pure titanium (CP-Ti) is assessed using a combination of experiments and analysis.
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High-performance full-field crystal plasticity with dislocation-based hardening and slip system back-stress laws: Application to modeling deformation of dual-phase steels
Adnan Eghtesad,Marko Knezevic +1 more
TL;DR: In this article, a microstructural cell-level crystal plasticity model is presented to predict elasto-plastic, anisotropic, rate-and temperature-sensitive deformation of polycrystalline aggregates subjected to large plastic strains.
Journal ArticleDOI
Microstructure and properties in dissimilar/similar weld joints between DP780 and DP980 steels processed by fiber laser welding
TL;DR: In this paper, the microstructure and mechanical properties of dissimilar/similar weld joints between DP780 and DP980 steels were studied and the microstructural evolution in heat affected zone (HAZ) was as follows: LM (coarse-grained HAZ) →finer LM (fine-graining HAZ), M-A constituent and ferrite (intercritically HAZ).
References
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Book
Conduction of Heat in Solids
H. S. Carslaw,John Conrad Jaeger +1 more
TL;DR: In this paper, a classic account describes the known exact solutions of problems of heat flow, with detailed discussion of all the most important boundary value problems, including boundary value maximization.
Book
Metal Forming: Mechanics and Metallurgy
TL;DR: In this paper, the authors present sheet metal properties including stress and strain, tension, and strain hardening, and anisotropic anisotropy for sheet metal forming, as well as other sheet forming operations.
Journal ArticleDOI
Microstructure and mechanical properties of laser welded DP600 steel joints
TL;DR: In this paper, a microstructural change after laser welding and its effect on the tensile and fatigue properties in dual phase (DP) steels has been evaluated for automotive applications due to their higher tensile strength, better initial work hardening along with larger elongation compared to conventional grade of steels.
Journal ArticleDOI
Forming of tailor-welded blanks
F. I. Saunders,Robert H. Wagoner +1 more
TL;DR: In this article, the intrinsic ductility and relative formability of three weld types (CO2 and Nd:YAG laser welds and mash-seam welds with and without mechanical postweld processing) were addressed.
Journal ArticleDOI
Microstructure and mechanical properties of laser welded dissimilar DP600/DP980 dual-phase steel joints
N. Farabi,Daolun Chen,Y. Zhou +2 more
TL;DR: In this article, the microstructural change and mechanical properties of laser welded dissimilar DP600/DP980 steel joints were evaluated, and the welded joints exhibited a distinctive unsymmetrical hardness profile, yield-point-like phenomenon, and single-stage work hardening characteristic, with yield strength and work-hardening rate lying in between those of DP600 and DP980 base metals, and ultimate tensile strength equivalent to that of the DP600 base metal.