Why is the carbon solubility so different in ferrite vs austenite? ΡΠΊΠ°ΡΠ°ΡΡ Π² Ρ ΠΎΡΠΎΡΠ΅ΠΌ ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅
Why is the carbon solubility so different in ferrite vs austenite?
4 years ago
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Π‘ΠΊΠ°ΡΠ°ΡΡ Π²ΠΈΠ΄Π΅ΠΎ Ρ ΡΡΡΠ± ΠΏΠΎ ΡΡΡΠ»ΠΊΠ΅ ΠΈΠ»ΠΈ ΡΠΌΠΎΡΡΠ΅ΡΡ Π±Π΅Π· Π±Π»ΠΎΠΊΠΈΡΠΎΠ²ΠΎΠΊ Π½Π° ΡΠ°ΠΉΡΠ΅: Why is the carbon solubility so different in ferrite vs austenite? Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ 4k
Π£ Π½Π°Ρ Π²Ρ ΠΌΠΎΠΆΠ΅ΡΠ΅ ΠΏΠΎΡΠΌΠΎΡΡΠ΅ΡΡ Π±Π΅ΡΠΏΠ»Π°ΡΠ½ΠΎ Why is the carbon solubility so different in ferrite vs austenite? ΠΈΠ»ΠΈ ΡΠΊΠ°ΡΠ°ΡΡ Π² ΠΌΠ°ΠΊΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠΌ Π΄ΠΎΡΡΡΠΏΠ½ΠΎΠΌ ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅, Π²ΠΈΠ΄Π΅ΠΎ ΠΊΠΎΡΠΎΡΠΎΠ΅ Π±ΡΠ»ΠΎ Π·Π°Π³ΡΡΠΆΠ΅Π½ΠΎ Π½Π° ΡΡΡΠ±. ΠΠ»Ρ Π·Π°Π³ΡΡΠ·ΠΊΠΈ Π²ΡΠ±Π΅ΡΠΈΡΠ΅ Π²Π°ΡΠΈΠ°Π½Ρ ΠΈΠ· ΡΠΎΡΠΌΡ Π½ΠΈΠΆΠ΅:
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ΠΠ½ΡΠΎΡΠΌΠ°ΡΠΈΡ ΠΏΠΎ Π·Π°Π³ΡΡΠ·ΠΊΠ΅:
Π‘ΠΊΠ°ΡΠ°ΡΡ mp3 Ρ ΡΡΡΠ±Π° ΠΎΡΠ΄Π΅Π»ΡΠ½ΡΠΌ ΡΠ°ΠΉΠ»ΠΎΠΌ. ΠΠ΅ΡΠΏΠ»Π°ΡΠ½ΡΠΉ ΡΠΈΠ½Π³ΡΠΎΠ½ Why is the carbon solubility so different in ferrite vs austenite? Π² ΡΠΎΡΠΌΠ°ΡΠ΅ MP3:
ΠΡΠ»ΠΈ ΠΊΠ½ΠΎΠΏΠΊΠΈ ΡΠΊΠ°ΡΠΈΠ²Π°Π½ΠΈΡ Π½Π΅
Π·Π°Π³ΡΡΠ·ΠΈΠ»ΠΈΡΡ
ΠΠΠΠΠΠ’Π ΠΠΠΠ‘Π¬ ΠΈΠ»ΠΈ ΠΎΠ±Π½ΠΎΠ²ΠΈΡΠ΅ ΡΡΡΠ°Π½ΠΈΡΡ
ΠΡΠ»ΠΈ Π²ΠΎΠ·Π½ΠΈΠΊΠ°ΡΡ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ ΡΠΎ ΡΠΊΠ°ΡΠΈΠ²Π°Π½ΠΈΠ΅ΠΌ Π²ΠΈΠ΄Π΅ΠΎ, ΠΏΠΎΠΆΠ°Π»ΡΠΉΡΡΠ° Π½Π°ΠΏΠΈΡΠΈΡΠ΅ Π² ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠΊΡ ΠΏΠΎ Π°Π΄ΡΠ΅ΡΡ Π²Π½ΠΈΠ·Ρ
ΡΡΡΠ°Π½ΠΈΡΡ.
Π‘ΠΏΠ°ΡΠΈΠ±ΠΎ Π·Π° ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠ΅ΡΠ²ΠΈΡΠ° ClipSaver.ru
Why is the carbon solubility so different in ferrite vs austenite?
A phase diagram of Fe-C shows right away that austenite can withstand up to 2.14wt% C, whereas the solubility of C in ferrite is a measly 0.022wt% C. Why the big difference? Even more crazy, consider that ferrite is BCC which is only 68% densely packed while FCC is 74% packed. Why should the more densely packed structure be able to fit more carbon in the lattice? It has to do with the size of the interstitials! You can actually calculate the size of the interstitials in both and you'll see that austenite has larger interstitials so more carbon can fit in these without straining the lattice which eventually limits the solubility.
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