o ‘lc h a m l a r ig a va y o n is h z o n a s id a z a r r a la r n i a r a la s h tir is h d arajasig a
b o g ‘liq. K o l c h e d a n z a rra la ri o N c h a m la ri q a n c h a k ic h ik b o ‘lsa, kislo
rod u n in g
ich larig a yengil kiradi, oltingugurt esa t o ‘la y o n ad i,
natijada
t e m i r k u y in d is i bilan o ltin g u g u r t k a m y o 'q o l a d i .
K o l c h e d a n n i y o n is h tezligiga te m p e r a tu r a s i k a tta t a ’sir k o ‘rsatadi.
T e m p e r a t u r a q a n c h a yuqori b o ‘lsa y o n ish tezligi s h u n c h a k a tta b o ‘la-
di. B iro q t e m p e r a t u r a n i n g o rtish i b ila n k o l c h e d a n q o v u s h ib pish ish i
m u m k i n . K o 'p c h i li k k o l c h e d a n l a r 900°C d a q o v u s h ib p is h a d i. Bu
h o l d a k u y d i r i l a y o t g a n m a t e r i a l l a r n i n g a y r im z a r r a c h a l a r i o ‘z a ro
y o p is h ib q o l a d i , u n in g s o c h ilu v c h a n lig i y o ‘q o la d i va k u y d irish j a r a
y o n i b u z i l a d i . C h a n g - h a v o a r a l a s h m a s i k o ‘r i n i s h i d a k o l c h e d a n
k u y d ir ilg a n d a y u q o ri t e m p e r a t u r a d a j a r a y o n n i o lib b o r is h m u m k in .
T e m p e r a t u r a n i 800 d a n 1000°C g a c h a k o ‘p a y tirils a
y o n is h tezligi
2 ,1 9 m a r t a o r ta d i. B o s h q a b ir xil s h a r o itla r d a g a z d a 0 , m i q d o r in in g
k a m a y is h i k o l c h e d a n n i n g k u y d irish reaksiyasini s e k in la s h tira d i.
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