Welding and some of the terms which i

[siukwok]

Dear all,

i need help in finding out the terms below. Tried goggle it but fail to really understand them. Anyone can help? thanks!

1. Undercooling in welds
2. Quick solidification
3. Martensite, austenite, pearlite, ferrite phase for steels
4. Phase diagram for steels
5. Difference between TTT and CCT based on 0.9% carbon content
6. Diffusion of carbon atoms, time dependent
7. Low and high carbon content
8. Dendrites
9. Thermal gradient, rate of solidification, grain growth rate and solidification front

 

[berkeman]

Dear all,

i need help in finding out the terms below. Tried goggle it but fail to really understand them. Anyone can help? thanks!

1. Undercooling in welds
2. Quick solidification
3. Martensite, austenite, pearlite, ferrite phase for steels
4. Phase diagram for steels
5. Difference between TTT and CCT based on 0.9% carbon content
6. Diffusion of carbon atoms, time dependent
7. Low and high carbon content
8. Dendrites
9. Thermal gradient, rate of solidification, grain growth rate and solidification front

Could you give us some links to the information that you found but did not understand? Show us what you read, and tell us what part you do not understand.