Super igwe anaghị agba nchara na nickel dabeere alloys bụ ụdị pụrụ iche nke igwe anaghị agba nchara.Nke mbụ, ọ dị iche na chemically si nkịtị igwe anaghị agba nchara.Ọ na-ezo aka na nnukwu alloy igwe anaghị agba nchara nwere nnukwu nickel, chromium dị elu, molybdenum dị elu.
Dabere na njirimara microstructure nke igwe anaghị agba nchara, super igwe anaghị agba nchara na-ekewa n'ime super ferritic igwe anaghị agba nchara, super austenitic igwe anaghị agba nchara, super martensitic igwe anaghị agba nchara, super duplex igwe anaghị agba nchara na ndị ọzọ ụdị.
Super austenitic igwe anaghị agba nchara
Na ndabere nke nkịtị austenitic igwe anaghị agba nchara, site na imeziwanye ịdị ọcha nke alloy, ịba ụba nke ihe bara uru, ibelata ọdịnaya nke C, gbochie ọdịda nke Cr23C6 mere site intergranular corrosion, nweta ezi n'ibu Njirimara, usoro Njirimara na mpaghara corrosion iguzogide. , Dochie Ti kwụsiri ike igwe anaghị agba nchara.
Super ferritic igwe anaghị agba nchara
Ọ na-eketa njirimara nke ike dị elu, ezigbo nguzogide oxidation na nrụgide corrosion dị mma nke nchara ferritic nkịtị.N'otu oge ahụ, ọ na-eme ka njedebe nke igwe anaghị agba nchara ferrite dị na ọnọdụ ịgbado ọkụ nke mgbanwe na-egbuke egbuke, na-enwe mmetụta maka corrosion intergranular na obere siri ike.Ultra-ferritic igwe anaghị agba nchara nwere nnukwu Cr, Mo na ultra low C na N nwere ike nweta site na nchacha teknụzụ, na-ebelata ọdịnaya nke C na N, na-agbakwunye ihe nkwụsi ike na ịgbado ígwè.Ngwa nke igwe anaghị agba nchara ferritic na nguzogide corrosion na nguzogide corrosion chloride abanyela ọkwa ọhụrụ.
Super duplex igwe anaghị agba nchara
Emepụtara ígwè ahụ na ngwụcha afọ 1980.Ụdị isi bụ SAF2507, UR52N, Zeron100, wdg, nke ejiri ọdịnaya C dị ala, ọdịnaya Mo dị elu na ọdịnaya N dị elu.Ọdịnaya nke ferritic n'ime ígwè na-akpata 40% ~ 45%., na magburu onwe corrosion eguzogide.
Super martensitic igwe anaghị agba nchara
Ọ bụ igwe anaghị agba nchara na-esi ike nke nwere ike siri ike, ike na nkwụsi ike, mana ike siri ike na weldability adịghị mma.Igwe anaghị agba nchara martensitic nkịtị enweghị ductility zuru oke, ọ na-enwe mmetụta maka nrụgide mgbe ọ nwere nkwarụ, ọ na-esikwa ike ịmalite n'ọrụ oyi.Site na ibelata ọdịnaya carbon na ịbawanye ọdịnaya nickel, enwere ike nweta igwe anaghị agba nchara super martensitic.N'ime afọ ndị na-adịbeghị anya, mba etinyela nnukwu ego na mmepe nke obere carbon na obere nitrogen super martensitic ígwè, ma mepụta ogbe nke super martensitic ígwè maka ebumnuche dị iche iche.Super martensitic ígwè ejirila n'ọtụtụ ebe na nrigbu mmanụ na gas, nchekwa na akụrụngwa njem, ike mmiri, ụlọ ọrụ kemịkalụ, ngwa nrụpụta pulp dị elu na mpaghara ndị ọzọ.
Igwe anaghị agba nchara na-arụ ọrụ
Site na mgbanwe nke ahịa ahịa, ụdị igwe anaghị agba nchara na-eji ihe pụrụ iche na ọrụ pụrụ iche na-anọgide na-apụta.Dị ka ihe ọhụrụ ọgwụ nickel free austenitic igwe anaghị agba nchara bụ tumadi Cr-Ni austenitic igwe anaghị agba nchara, nwere ezigbo biocompatibility, nwere Ni 13% ~ 15%.Nickel bụ ụdị ihe na-akpali akpali, nke bụ teratogenic na carcinogenic na ntule.Iji igwe anaghị agba nchara nke nwere nickel etinyere ogologo oge na-emebi ma wepụta ion Ni.Mgbe ion Ni ion bara ụba na anụ ahụ dị nso nkunye, enwere ike ịkpata mmetụta na-egbu egbu yana mmeghachi omume ọjọọ dị ka mbibi cell na mbufụt nwere ike ime.Cr-Mn-N ọgwụ nickel-free austenitic igwe anaghị agba nchara nke Institute of Metal Research, Chinese Academy of Sciences anwalela maka biocompatibility, na arụmọrụ ya dị mma karịa nke Cr-Ni austenitic igwe anaghị agba nchara na ụlọ ọgwụ.Ihe atụ ọzọ bụ igwe anaghị agba nchara antibacterial.Site na mmụba nke ụkpụrụ ndụ mmadụ, ndị mmadụ na-etinyekwu uche na gburugburu ebe obibi na ahụike nke onwe ha, nke na-akwalite nyocha na mmepe nke ihe ndị na-egbu nje.Kemgbe 1980, mba ndị mepere emepe nke Japan nọchitere anya malitere ịmụ na itinye ihe nje na-egbu egbu na ngwa ụlọ, nkwakọ nri, ihe ndị dị mkpa kwa ụbọchị, ngwa ịsa ahụ na akụkụ ndị ọzọ.Nissin Steel na Kawasaki Steel mepụtara igwe anaghị agba nchara na-egbu nje nke nwere cu na ag, n'otu n'otu.A na-agbakwunye ọla kọpa antibacterial igwe anaghị agba nchara na igwe anaghị agba nchara 0.5% ~ 1.0% ọla kọpa, mgbe ọgwụgwọ okpomọkụ pụrụ iche, nke mere na igwe anaghị agba nchara si n'elu ruo n'ime uwe.Ịchụsa ε-Cu precipitates na-arụ ọrụ antibacterial.Ọla kọpa a nke nwere igwe anaghị agba nchara antibacterial kwesịrị ekwesị maka ngwaahịa dị iche iche dị ka kichin zuru oke, yana ngwaahịa ndị ọzọ nwere nnukwu ihe achọrọ maka nhazi nhazi na ihe ndị na-egbu egbu.
Oge nzipu: Feb-16-2023