Duplex igwe anaghị agba nchara nwere àgwà nke austenitic igwe anaghị agba nchara na ferritic igwe anaghị agba nchara n'ihi na o nwere austenite + ferrite dual frasi Ọdịdị na ọdịnaya nke abụọ na-adọ owuwu bụ isi otu. Ike mkpụrụ nwere ike iru 400Mpa ~ 550MPa, nke bụ okpukpu abụọ nke igwe anaghị agba nchara austenitic. E jiri ya tụnyere ferritic igwe anaghị agba nchara, duplex igwe anaghị agba nchara nwere elu siri ike, obere kenkuwa mgbanwe okpomọkụ, budata mma intergranular corrosion iguzogide na ịgbado ọkụ arụmọrụ; mgbe ị na-ejigide ụfọdụ njirimara nke igwe anaghị agba nchara ferritic, dị ka 475 ℃ brittleness, okpomọkụ High conductivity, obere linear mgbasa ọnụọgụ, superplasticity na magnetik Njirimara. E jiri ya tụnyere austenitic igwe anaghị agba nchara, duplex igwe anaghị agba nchara nwere elu ike, karịsịa mkpụrụ ike na-budata mma, na pitting corrosion eguzogide, nchegbu corrosion iguzogide, corrosion ike ọgwụgwụ na ihe ndị ọzọ nwekwara mma nke ukwuu.
A na-ekewa igwe anaghị agba nchara duplex n'ụdị anọ: Cr18, Cr23 (ewezuga Mo), Cr22 na Cr25 dabere na nhazi kemịkalụ ha. Maka Cr25 duplex igwe anaghị agba nchara, enwere ike kewaa ya ka ọ bụrụ igwe anaghị agba nchara nkịtị na super duplex. N'ime ha, Cr22 na Cr25 na-ejikarị eme ihe. Ọtụtụ n'ime igwe anaghị agba nchara duplex ejiri na China na-emepụta na Sweden. Ụdị akara ule ndị a kapịrị ọnụ bụ: 3RE60 (ụdị Cr18), SAF2304 (ụdị Cr23), SAF2205 (ụdị Cr22), na SAF2507 (ụdị Cr25).
Oge nzipu: Jan-19-2020