recrystallization in metals - Course Notes - McMaster University

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Recrystallization Johnson, Mehl, Avrami, Kolmogorov approach recrystallized fraction X X 1 0 n = 1 − exp( −Bt ) time Random distribution of nucleation sites Constant rate of nucleation and growth n=4 Site saturation n=3 6
Recrystallization Johnson, Mehl, Avrami, Kolmogorov approach Is n misleading Site saturation 3d/2d/1d 3/2/1 Constant nucleation rate 3d/2d/1d 4/3/2 Fined grained Aluminium, low strain 4 Aluminium+ small amount of copper, 40% cold rolled Fe-Mn-C 1.7
Page 1 and 2: RECRYSTALLIZATION IN METALS FLORENT
Page 3 and 4: Recrystallization What is it Fe E =
Page 5: Recrystallization Improving the mec
Page 9 and 10: Recrystallization “NUCLEATION”
Page 11 and 12: Rapid heat treatments What are rapi
Page 13 and 14: Salt bath “NUCLEATION” IN IRON
Page 15 and 16: Salt bath “NUCLEATION” IN COPPE
Page 17 and 18: Salt bath “NUCLEATION” IN STAIN
Page 23 and 24: Spot welding machine “RAPID” HE
Page 25 and 26: Spot welding machine RECRYSTALLIZAT
Page 27 and 28: Pulse lasers “ULTRA FAST” HEAT
Page 29 and 30: Pulse lasers WHY PULSED LASERS 29
Page 31 and 32: Pulse lasers TEMPERATURE MEASUREMEN
Page 33 and 34: Pulse lasers INSTRUMENTED INDENTATI
Page 35: CONCLUSIONS - FUTURE WORK Investig

recrystallization in metals - Course Notes - McMaster University

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