Hello everyone, I am the youngest girl in the factory.
Welcome to my small science class.
Today we will talk about spheroidization
Generally, Ba and Bi are contained in as-cast ferrite spheroids,
and Ba and Sb are contained in as-cast pearlite spheroids,
but for important crankshaft castings above QT700-2,
no It is recommended to use Sb-containing nodularizer,
and the matrix should be controlled by
adjusting the content of Cu , Mo , etc.
It must be pointed out that no matter
whether the cast nodulizer is used or not,
inoculation is always an important link that cannot be ignored.
Heavy rare earth magnesium-containing spheroidizers
are used for thick-walled ductile iron parts.
In order to prevent spheroidization recession and graphite distortion,
the amount of Si (silicon) should be reduced,
and the number of graphite spheres should be increased
and the diameter of graphite spheres should be refined.
Follow me to learn more about casting knowledge,
see you in the next small class.
Welcome to my small science class.
Today we will talk about spheroidization
Generally, Ba and Bi are contained in as-cast ferrite spheroids,
and Ba and Sb are contained in as-cast pearlite spheroids,
but for important crankshaft castings above QT700-2,
no It is recommended to use Sb-containing nodularizer,
and the matrix should be controlled by
adjusting the content of Cu , Mo , etc.
It must be pointed out that no matter
whether the cast nodulizer is used or not,
inoculation is always an important link that cannot be ignored.
Heavy rare earth magnesium-containing spheroidizers
are used for thick-walled ductile iron parts.
In order to prevent spheroidization recession and graphite distortion,
the amount of Si (silicon) should be reduced,
and the number of graphite spheres should be increased
and the diameter of graphite spheres should be refined.
Follow me to learn more about casting knowledge,
see you in the next small class.
