�ber die Best�ndigkeit von �bergangsmetallcarbiden gegen Stickstoff bis zu 300 at

Kieffer, R.; Nowotny, H.; Ettmayer, Peter; Freudhofmeier, M.

doi:10.1007/bf00907526

Cited by 39 publications

(4 citation statements)

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“…As seen, the calculated line goes through the experimental points by Portnoi and Levinskii, [48] Kieffer et al, [49] Booker, [50] and Rudy. [51] These points were used to evaluate the thermodynamic properties of Ti(C,N) x .…”

Section: Calculations In the Fe-ti-c-n Systemmentioning

confidence: 84%

Assessment of the Fe-Ti-C system, calculation of the Fe-TiN system, and prediction of the solubility limit of Ti(C,N) in liquid Fe

Jönsson

1998

Metall Mater Trans B

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Section: Calculations In the Fe-ti-c-n Systemmentioning

confidence: 84%

Assessment of the Fe-Ti-C system, calculation of the Fe-TiN system, and prediction of the solubility limit of Ti(C,N) in liquid Fe

Jönsson

1998

Metall Mater Trans B

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“…Calculated TiN-TiC vertical section in the Ti-C-N system, in comparison with experimental data [87][88][89][90]. Fig.…”

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confidence: 99%

Thermodynamic assessment of the Fe-Nb-Ti-C-N system

Lee

2001

Metall Mater Trans A

100

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A self-consistent thermodynamic description for the Fe-Nb-Ti-C-N quinary system has been developed. Because many different descriptions were already available for most of the sub-binary and ternary systems, a selection among several parameter sets had to be made. This was done for the Fe-Ti, Ti-C, and Ti-N systems considering experimental information on the Fe-Ti-C, Fe-Ti-N, and Al-Ti-C systems. Thermodynamic reassessments were carried out for the Fe-Nb and Nb-C systems looking at the Fe-Nb-C and Fe-Nb-N systems. Such selections or assessments were also made for the Nb-Ti, Nb-Ti-C, Nb-Ti-N, Nb-C-N, and Ti-C-N systems by looking at the experimental information on phase equilibria in the Fe-Nb-Ti-C-N system as well as corresponding binary and ternary systems. By this, a thermodynamic description for the Fe-Nb-Ti-C-N system could be obtained, which is applicable to thermodynamic calculations in microalloyed steels and hard-coating materials. The thermodynamic parameters and comparisons between calculation and experimental data are presented.

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“…Keiffer and co-workers also in the 1960´s observed that "NaCl" mixed carbides presented miscibility gaps, and reported their observations on the systems TiC-{ZrC, HfC} and VC-{NbC, TaC } [2] as exemplified in Figure 2. The same group explored the miscibility of carbides and nitrides of transition metals [3]. A little after Hillert and Staffansson´s seminal paper [4] applying the sub-lattice concept to calculate the thermodynamic properties in a reciprocal system, Rudy [5] discussed the problem using carbonitrides as examples, showing the conditions for the appearance of miscibility gaps.…”

Section: Thermodynamics Of Carbonitrides Of Microalloying Elementsmentioning

confidence: 99%

A Brief Thermodynamic Evaluation of Precipitation Models in Microalloyed Steels

Silva¹

2018

ABM Proceedings

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Resumo The knowledge of the amount of microalloying elements in solution and precipitated during processing of steels is very important to properly design steel and thermomechanical processing (TMP). Models have been formulated to describe the precipitation phenomena during TMP in detail. Some of these models use simple solubility products, however, together with complex phenomenological equations to describe the changes in the steel during TMP. In this work two of these simple solubility products frequently used are compared with results calculated with computational thermodynamics. The results suggest that they are not able to predict the same values as those calculated by computational thermodynamics. If the later are correct, the simple solubility products are probably introducing excessive "correcting" factors in the phenomenological equations in order to reproduce experimental results. Furthermore, if this is the case, the ability of the models to extrapolate, a basic condition in alloy design, can be questioned..

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�ber die Best�ndigkeit von �bergangsmetallcarbiden gegen Stickstoff bis zu 300 at

Cited by 39 publications

References 0 publications

Assessment of the Fe-Ti-C system, calculation of the Fe-TiN system, and prediction of the solubility limit of Ti(C,N) in liquid Fe

Assessment of the Fe-Ti-C system, calculation of the Fe-TiN system, and prediction of the solubility limit of Ti(C,N) in liquid Fe

Thermodynamic assessment of the Fe-Nb-Ti-C-N system

A Brief Thermodynamic Evaluation of Precipitation Models in Microalloyed Steels

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