Ngokusho casting odongeni ukushuba kanye impahla grade ukukhetha ukwakheka kwamakhemikhali

Ukuze kuhlangatshezwane nezidingo zekhasimende, i-Shijiazhuang dong huan ethambileyo ye-iron castings co., i-ltd yenziwe izifakelo ezintsha zensimbi ezithambile.Ngokwakhiwa kwamakhemikhali wempahla eluhlaza sinokufingqa okuthile.

Amanani C, Si, CE kanye ne-Mg okusakaza kufanele ahlangabezane nezilinganiso eziyinhloko zokusakaza.Usayizi wesigaba sokulingisa unquma izinga lokupholisa lokusakaza, kuyilapho ukwakheka kwamakhemikhali nezinga lokupholisa ngokuhlanganyela kunquma ukwakheka kwe-metallographic yomkhiqizo.

Kokubili i-ferrite cast iron kanye ne-pearlitic cast iron idinga i-Si (ukushintsha okuqukethwe kwe-Si kusho ukushintsha i-CE) kanye ne-MN.

Ama-castings angahlukaniswa njengenye yama-substrates amabili ngokuya ngokwakhiwa kwawo kwamakhemikhali, okusho ukuthi kunezithako okungenani ezine zokufeza ukwakheka kwamakhemikhali okufunayo ekukhiqizeni amabanga ahlukene ezingxenye ezinezindonga ezincane neziwugqinsi.

Qaphela:

1. Isisindo sezithako ezihlukahlukene singabalwa ngokuphindaphinda isisindo sensimbi encibilikisiwe ekhiqizwa % % wezithako ezingeziwe.

2. Okuqukethwe kwe-MN kusethwe ngamabomu ezingeni eliphansi, ngoba ku-ferrite nodular iron, ngisho nalapho okuqukethwe kuphansi, kungakhuthaza ukukhiqizwa kwe-pearlite, ku-pearlite, okuqukethwe okuphezulu kwe-MN kulula ukubangela ukuhlukaniswa kwe-MN i-pearlite, ukusebenzisa i-Cu ukwenza ubulukhuni ukuhlangabezana nezidingo ezinqunywe kusengaphambili kuyisinqumo esingcono.

3. I-Silicon carbide ingafakwa ukuze kuncishiswe i-oxidation yensimbi encibilikisiwe futhi ivikele ulayini lwesithando somlilo (inani elingeziwe elingeziwe lingu-0.2%), lingadlala ingxenye yokwanda kwe-C kanye nomphumela we-silicon.

4. Izinga lokumunca ikakhulukazi lika-C no-Si.

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Isikhathi sokuthumela: Mar-08-2022