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- W152991749 abstract "Calculations were made by thermodynamic methods to obtain the temperature relationships for changes in the standard isobaric-isothermic potenti als ( DELTA Z deg ) for the formati on of carbides from elements up to temperatures of 3500 deg C. From these relationships temperature limits were established for the stability of various carbides in molybdenum alloys as a function of the content of element forming the carbide in the alloy. Phase analysis of molybdenum alloys containing from 0.08 to 1.4 at.% Zr and from 0.17 to 0.84 at.% C, quenched from temperatures of of the results with calculated values. Zirconium carbide was found in those cases where the actual concentration of zirconium was greater than the calculated value necessary for the formation of the carbide ZrC, while the concentration of carbon exceeded its solubility limit in molybdenum at the given temperature. At 1800 to 2200 deg C the thermodynamically more stable carbide phase was ZrC, while Mo/sub 2/C was more stable at the higher temperatures. The temperature limit for stability of the carbide phases ZrC and Mo/sub 2/C depends on the concentration of zirconium in the alloy. (SJR)" @default.
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- W152991749 date "1973-01-01" @default.
- W152991749 modified "2023-09-26" @default.
- W152991749 title "Physical-chemical analysis of carbide phases in alloys of refractory metals" @default.
- W152991749 hasPublicationYear "1973" @default.
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