Dual phase steels
Meso-scale modelling of deformation, damage and failure in dual phase steels
... strength steels (AHSS), such as dual phase (DP) steels, offer high strength-to-weight ratio and improved crash resistance ...[3]. Dual phase steels, being low carbon ...
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Evolution of Microstructural Banding during the Manufacturing Process of Dual Phase Steels
... The segregation of manganese during solidification from casting is responsible for banding problems of dual phase steels. Microstructural banding lasts during all the manufacture process, producing ...
8
Multi-scale Characterization of Hyperplasticity and Failure in Dual Phase Steels Subject to Electrohydraulic Forming
... Figure 6-1-b, Figure 6-2-b, and Figure 6-3-b display quasi-static forming limit diagrams (FLDs) of the dual phase steels investigated in this research. Detailed information on the experimental work ...
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Microstructural Analysis and Micromechanical Modeling of Flow Behaviour of Dual Phase Steels Using a Representative Volume Element Method
... During micromechanical modeling of flow behaviour of dual phase steels using the RVE method several parameters must be considered in order to optimize the results. The effects of some of the modeling ...
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QUANTITATIVE ANALYSIS OF BANDED STRUCTURES IN DUAL-PHASE STEELS
... Dual-Phase (DP) steels are composed of martensite islands dispersed in a ductile ferrite matrix, which provides a good balance between strength and ductility. Current processing conditions ...
6
On the constitutive modeling of dual phase steels at finite strains: a generalized plasticity based approach
... 2. We have confined the theory in the sim- plest possible setting by considering a von-Mises type expression of loading sur- faces, an associated flow rule and a non- linear kinematic hardening law. We have shown that, ...
6
Nitrogen in HSLA and dual phase steels
... The solubility of vanadium nitride in high strength, low alloy type steels was determined for temperatures from 900°C - l250°C, and the ferrite grain size after the simulated thermal cyc[r] ...
355
Mechanical Behaviour of Duplex Phase Structures in a Medium Carbon Low Alloy Steel
... of dual phase steels for structural load bearing and dynamic stress applications has also attracted research interest with some encouraging results [12 ...of dual phase steels in ...
13
Dual Phase Steel Characterization for Tube Bending and Hydroforming Applications
... Although dual phase steels have been well researched over the past five decades, the current work contributes to advances in understanding of these steels in two ...of dual phase ...
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Application of Steel in Automotive Industry
... 1) Dual phase steels: DP steels consist of a ferritic matrix containing a hard martensitic second phase in the form of ...austenite phase (in hot-rolled products) or from the ...
8
Effect of hardness of second phase particle on fatigue crack growth behavior of steels with hard second phase particle in soft ferrite matrix
... The extensive researches have been reported on effect of microstructure on FCG behavior in near threshold region [1-3]. Many microstructural factors, such as grain size [2], volume fraction of second phase [4] , ...
6
Influence of Martensite Volume Fraction on Mechanical Properties of High Mn Steel
... the dual-phase ...martensite phase in an austenite matrix may give significant variation in material deformation behavior subjected to different loading ...
8
The Effects of Ability Grouping on Gifted & Talented Third, Fourth, and Fifth Grade Students in Selected South Carolina Public School Districts
... images with a resolution of roughly 47 nm. Images of the sample were taken at each angular position with an exposure time of 10 seconds per image and a spatial resolution of 30 nm as dictated by the zone plate ...
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Investigating Flank Wear and Cutting Force on Hard Steels by CBN Cutting Tool by Turning
... alloy steels, case hardened steels, nitriding steel, high speed steels, with same hardness of 62 HRC, when machined under same cutting conditions showed varying tool wear ...
5
A phase field method coupled with CALPHAD for the simulation of ordered κ carbide precipitates in both disordred γ and α phases in low density steel
... strength and ductility have attracted considerable attention recently [5, 6, 7]. It was reported that the addition of 5-6 wt.% of Al results in 8-10% weight saving compared to conventional automotive steels [8]. ...
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Effect of Microstructure before Cold Rolling on Texture and Formability of Duplex Stainless Steel Sheet
... the phase, and those of (200), (220), and (311) for the phase were measured in steps 5 on the sections perpendicular to the normal direction (ND-section) in the center layer of the sheets by means of the ...
9
Design Method of Dual Phase Hy-Vo Silent Chain Transmission System
... the dual phase Hy-Vo silent chain transmission system is designed, and the multi- variation design method of the dual phase Hy-Vo silent chain plate and sprocket are proposed, and the ...
8
Application of Recrystallization Texture Evolution Model to Type 430 Stainless Steel Strip Production
... The ridging phenomenon of type 430 stainless-steel originates from the texture due to crystal plasticity anisotropy. Thus, to predict the antiridging property, we must continuously analyze the hot-rolling, hot-rolling ...
10
Effect of second phase particle on fatigue crack growth behavior in microstructure controlled steels
... In the FM steel, the deformation of plastic constrained at the crack tip in ferrite region seemed to induce stress shielding phenomena and then contribute to high crack growth resistance[r] ...
34
Phase Characterization of Re Based Diffusion Barrier Layer on Nb Substrate
... binary phase diagrams for these elements can be applied. The binary phase diagrams suggest the phases to be solid solutions with similar crystal structures, a body-center- cubic (bcc) structure, and ...
5