Carbon karfe bututuHanyar sanyaya ta bambanta da kayan.Don yawancin nau'ikan karfe suna amfani da sanyaya yanayi don biyan buƙatun.don wasu bututun ƙarfe na musamman, don tabbatar da buƙatun ƙungiyar jihar da kaddarorin jiki da na inji don wasu dalilai na musamman, dole ne a sami wata hanyar sanyaya da tsarin sanyaya.Misali, bututun bakin karfe na austenitic, kammala mirgina a wani zazzabi, sannan a kashe shi da ruwa don maganin maganin, sannan a ciyar da shi zuwa gado mai sanyaya don sanyaya yanayi;GCr15 qazanta karfe don samun takardar-pearlite microstructure da hana raga carbonized The hazo, da yin amfani da kwallon bayan annealing mataki, gama-mirgina ya kamata a sarrafa a 850 digiri Celsius ko fiye, sa'an nan da sauri sanyaya kudi na 50- 70° C / min, don haka a yi amfani da shi a cikin gashin gado mai sanyi ko fesa sanyaya tilas.

Carbon karfe bututu sanyaya lokaci ne babban tushen domin sanin tsawon da sanyaya gado.Sanyaya bututun ƙarfe ta hanyar radiation da zafi mai ɗaukar nauyi, an tabbatar da zafin ƙarfe na ƙarfe sama da digiri 500, galibi ta hasken zafi.500 digiri celsius kasa da convection zafi conduction tushen.Ana iya la'akari da shi don rage lokacin sanyi na karfe don rage tsawon lokacin kwantar da hankali, da kuma inganta yanayin aiki na bitar, gadon kwantar da iska mai tilastawa.Bukatar gaggawa mai ƙarfi a cikin digiri 500. Za'a iya rage lokacin sanyaya iska ta 40-50%.

Carbon karfe bututu sanyaya hanyoyin

Yanayin sanyaya bututu ya bambanta dangane da nau'in sinadarai na bututun ƙarfe, girman, da abubuwan da ake buƙata na inji, samar da niƙa, sanyaya tafiya tare da yanayin na'urar.Yawanci, hanyar sanyaya bututu:

1) sanyaya iska ta halitta.Babu takamaiman buƙatu don ƙarfe na yau da kullun, yawanci a cikin yanayi don sanyaya yanayi.

2) tilasta sanyaya.Lokacin da ƙarami mai sanyaya gado ko injin niƙa ƙarfin sanyaya kwanciyar hankali, sanyayawar tilasta iska, bututun ƙarfe yana buƙatar ƙayyadaddun ƙungiyar ciki da kaddarorin inji, ana iya amfani da su don sarrafa tsarin sanyaya ruwa mai tilastawa.

3) sannu a hankali ko quenching.Don wasu bututun ƙarfe na gami (kamar ɗaukar ƙarfe, bututun bakin karfe, da sauransu), da kuma wani lokacin jinkirin sanyaya ko kashe tsarin sanyaya ƙarfe don haɓaka tsarin ƙungiyoyin ƙarfe na cikin gida da aikin da ya dace.