"Tinofanira kuyeuka kuti simbi isina ngura inoshanda zvakanaka inoda huwandu hwakati hwezvinhu zvinodhura zvekusanganisa kuti iite zvigadzirwa zvinoshanda zvakanaka. Indasitiri iyi iri kuda hunyanzvi hwetekinoroji hwakanaka uye hunochinjika, uye kubva pakuona kwangu, nzira 'yakanaka', mumashandisirwo mazhinji, haina chinangwa."
Semugadziri, unogona kuronga nzira yako yekubatanidza zvinhu zvichienderana nezvinodiwa zvishoma zvinotsanangurwa nezvinodiwa neindasitiri. Kana, zvichibva paruzivo rwako rwakasimba rweindasitiri, unogona kugadzirisa zvinodiwa zvekushanda zvinoenderana nechigadzirwa chako, icho chinozogadzirwa zvakanyanya kana zvichienzaniswa nezvinodiwa. Zvisinei, indasitiri yekugadzira makemikari (CPI) inoda hunyanzvi kuti igadzire mhinduro inodhura uye yakavimbika yeyuniti inoshanda inofanira kugara ichichinjika mukudya kwayo.
Muenzaniso wakajairika iDMV 304L zvichienzaniswa ne304L yakajairwa (UNS S30403). Zvichienzaniswa nezvinodiwa zvishoma zveASTM, pfungwa yekubatanidza DMV 304L inowanzo kupa 19% Cr uye 11% Ni kuti ienderane nezvinodiwa chaizvo zviri kushanda.” “Nzvimbo dzine hukasha hwakanyanya muindasitiri yeCPI dziri kuda machubhu asina tsvina akasimba, anodzivirira ngura uye tembiricha, ayo anofanira kunge ari “nyore kuabatanidza”. Kuedza kwemabasa ekuchenesa michina, kuvharwa uye bvunzo itsva dzekuvimbika zvinokonzerwa, semuenzaniso nekunzwa uye kuumbwa kwezvikamu zvechipiri zvepakati pesimbi mu microstructure yemachubhu asina tsvina, zvinofanirwa kufungwa nezvazvo kubva padanho rekugadzira.”
Duplex ine alloy yakawanda
"Machubhu esimbi asina kusimba ane duplex akagadzirwa zvakanyanya muDMV 29.7 anotsigira zvinangwa zvikuru zveindasitiri yeurea kuti ishande munguva dzekugadzirisa dzakanyatsorongeka uye kudzivirira kuvharwa kusingatarisirwi (kwakakura) munzvimbo dzakasiyana dzemayuniti ekushanda. Kunyangwe munzvimbo dzisina okisijeni yakawanda, machubhu aya ane duplex anodzivirira zvakanyanya nzira dzakasiyana dzengura, semuenzaniso ngura yepakati pegranular, ngura yegomba uye ngura ye stress corrosion. Nekuda kwepfungwa yayo ye alloying yakanyanya uye kurapwa kwekupisa kunodzorwa nekungwarira panguva yekugadzira machubhu, zvigadzirwa zvese zveMST zvinoratidza microstructure yakaringana yekushandiswa kwakanangana."
Kutarisana nematambudziko akaoma
"Tinopa pfungwa yepamusoro-soro inosanganisa pfungwa dzekugadzira zvinhu zvine hungwaru, zvinhu zvakagadziriswa zvakanaka, nzira dzakagadzikana dzekubvisa zvinhu zvinopisa uye nzira dzekupedza zvinhu zvinotonhora, tichiona kushivirira kwakasimba kuti zvienderane nezvinodiwa zvepamusoro-soro zvekuedza," Mumamiriro akasiyana-siyana, akadai semachubhu ekupisa, machubhu echoto, machubhu epombi kana machubhu ekushandisa, zvigadzirwa zveMST zvinotsungirira ngura zvakanyanya pakupisa kwakanyanya uye kumanikidzwa.
Machubhu eDMV 200 pure nickel uye DMV 400 nickel-copper alloy ari kuwedzera kuvimbika mumidziyo yekubvisa munyu, mayuniti ekugadzirisa mhepo uye nzvimbo uko mayuniti anosangana nehuwandu hwealkali-chloride, vinyl chloride monomers nezvimwe zvakawanda.” “Zvichienderana nekugadzirwa kweinjiniya kunodiwa, tinoshandisa nhungamiro - apo mutengi anoona dambudziko, tinoona mukana! Mukati medu rine mavara emhando yepamusoro emachubhu asina tsvina emhando yepamusoro, nickel, nickel-copper uye austenitic, tinopa mhinduro dzakagadzirirwa maindasitiri akasiyana-siyana akaoma.”
Nhamba yakaderera yeCO₂
Machubhu eMST ane CO₂ yakaderera zvikuru nekuda kwehuwandu hwakawanda hwezvimedu zvemhando yepamusoro zvinoshandiswa nekambani kugadzira zvinhu zvayo. Kutenderera ndicho chinhu chikuru chinotarisirwa mukuedza kwayo kwese kuderedza kuburitswa kwemagasi anodziya pasi pevhu kusvika padanho repamusoro.
"Zvigadzirwa zvedu zvinopa kukosha kwakawedzerwa maererano nehupenyu hwenguva refu munzvimbo dzine ngura zvikuru, zvinopa kugona kuchinjika kwakanaka uye pakupedzisira zvinobatsira mutengi pamutengo wese wekuva muridzi."
Nguva yekutumira: Zvita-08-2023