Untersuchungen von Phasengleichgewichten im Dreistoffsystem Eisen-Chrom-Molybdän ım festen Zustand

Kiesheyer, H.; Brandis, Helmut

doi:10.1515/ijmr-1976-670409

Cited by 5 publications

(2 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…16 In addition, for the stainless steel containing approximately (22-28)Cr2 and (3-5)Mo, it is reported that the s phase will form Fe2(29-31) and Cr2(6-8Mo). [17][18][19] As shown in Fig. 10, the segregation and inclusions were observed everywhere in the boundary, and lots of cracks were propagated by surrounding these inclusions.…”

Section: Effect Of Segregation Of Non-metal Inclusionsmentioning

confidence: 99%

Study on cracking characteristics on aging of super duplex stainless steel weld metal

Park

Lee

2014

Materials Science and Technology

View full text Add to dashboard Cite

In the present study, we carried out a flux cored arc welding using a super duplex stainless steel as a filler metal and analysed the cause of cracking that occurred at the aging treatment for 30 min at 850°C. The stress concentration effect by the notch of the welding bead affected the hot cracking susceptibility, and the impact value of weldment was remarkably decreased due to the precipitation of secondary phases. In addition, the precipitation of σ of the adjacent area to the crack was measured to be higher by ∼12 wt- than the non-adjacent area to the crack. As a result of analysis of fracture plane, it was embrittled by segregation of impurities or inclusions, which acted as a starting point of the crack, and the crack grew according to the widely distributed σ phase.

show abstract

Section: Effect Of Segregation Of Non-metal Inclusionsmentioning

confidence: 99%

Study on cracking characteristics on aging of super duplex stainless steel weld metal

Park

Lee

2014

Materials Science and Technology

View full text Add to dashboard Cite

show abstract

“…It may be seen that the Laves phase is more stable in the new assessment. The experimental data used stem mainly from [84,[90][91][92]. This assessment was incorporated into above-mentioned STEEL16 database and used for the prediction of the behavior in modern steels.…”

Section: Solid Phase Transformations IImentioning

confidence: 99%

Application of Ab Initio Electronic Structure Calculations in Construction of Phase Diagrams of Metallic Systems with Complex Phases

Šob

Kroupa

Pavlů

et al. 2009

SSP

View full text Add to dashboard Cite

Ab initio electronic structure theory has achieved considerable reliability concerning predictions of physical and chemical properties and phenomena. It provides understanding of matter at the atomic and electronic scale with an unprecedented level of details and accuracy. In the present contribution, the electronic structure theory and state-of-the-art ab initio calculation methods in solids are briefly reviewed and the application of the calculated total energy differences between various phases (lattice stabilities) is illustrated on construction of phase diagrams by the CALPHAD (CALculation of PHAse Diagrams) method in systems containing phases with complex structures, as e.g. Laves phases or sigma phase. Particular examples include description of the Laves phases in the Cr-Nb, Cr-Ta and Cr-Zr systems, sigma-phase in the Fe-Cr system and prediction of the phase composition of ternary Fe-Cr-Mo system and super-austenitic steels. It is shown that the utilization of ab initio results introduces a solid basis of the energetics of systems with complex phases, allows to avoid unreliable estimates and extrapolations of Gibbs energies and brings more physics into the CALPHAD method.

show abstract

Effects of Solution-Annealing Temperature on the Precipitation of Secondary Phases and the Associated Pitting Corrosion Resistance in Hyper Duplex Stainless Steel

Jeon

Kim

et al. 2013

Mater. Trans.

View full text Add to dashboard Cite

The effects of the solution-annealing temperature on the precipitation of secondary phases and the associated pitting corrosion resistance in hyper duplex stainless steel after aging at 1123 K were investigated in a highly concentrated chloride solution. Increasing the solution annealing temperature from 1333 to 1413 K retarded the formation of the secondary phases owing to a decrease in both the number of preferential precipitation sites such as the ferrite/austenite interface and the activities of Cr, Mo and W. The slow rate of degradation of the pitting corrosion resistance of the alloy with the increase in the solution annealing temperature appears to be caused by the retardation of the precipitation of the sigma phase. Based on the results of the precipitation of secondary phases and electrochemical tests, the optimal solution annealing temperature was determined to be 1373 K.

show abstract

Untersuchungen von Phasengleichgewichten im Dreistoffsystem Eisen-Chrom-Molybdän ım festen Zustand

Cited by 5 publications

References 0 publications

Study on cracking characteristics on aging of super duplex stainless steel weld metal

Study on cracking characteristics on aging of super duplex stainless steel weld metal

Application of Ab Initio Electronic Structure Calculations in Construction of Phase Diagrams of Metallic Systems with Complex Phases

Effects of Solution-Annealing Temperature on the Precipitation of Secondary Phases and the Associated Pitting Corrosion Resistance in Hyper Duplex Stainless Steel

Contact Info

Product

Resources

About