Terata ea Nicr7030 nichromeke thepa e sebetsang hantle ea alloy ea austenitic nickel-chromium e entsoeng ka 70% nickel le 30% chromium. E hlahella 'marakeng ka lebaka la thepa ea eona e ikhethang e akaretsang: mocheso o phahameng ka ho fetisisa o tsoelang pele oa ho sebetsa oa ho fihlela ho 1250°C (mocheso oa nako e khuts'oane o ka ba 1400°C), resistivity e tsitsitseng ea motlakase (1.18 Ω・mm²/m ho 20°C), khanyetso e ikhethang ea oxidation (e etsang filimi e teteaneng e sireletsang ea Cr₂O₃ mochesong o phahameng), le ho tjheseletsa le ho ductility e ntle haholo. Litšobotsi tsena tse phahameng li etsa hore e be thepa ea mantlha e ke keng ea nkeloa sebaka tlhahisong e mengata ea indasteri, lisebelisoa tsa elektroniki tsa bareki le masimo a lipatlisiso a sejoale-joale. Ka tlase ke tlhaloso e qaqileng ea maemo a eona a mantlha a ts'ebeliso:
| Tšimo ea Kopo | Melemo ea Bohlokoa e Sebelisitsoeng | Tšebeliso e Tloaelehileng |
| Ho Futhumatsa Liindasteri | Khanyetso ea mocheso o phahameng (tšebeliso e tsoelang pele ea 1250°C), khahlanong le oxidation, khahlanong le "ho bola ho tala" (oxidation ea intergranular), resistivity e tsitsitseng | Dikarolo tsa ho futhumatsa ka ontong ya indasteri (difono tsa ho tjhesa, difono tsa ho sintering), difuthumatsi tsa tlhahiso ya khalase (difono tsa ho futhumatsa, disebediswa tsa ho taka faeba), disebediswa tsa ho futhumatsa ka tshepe (diforomo tsa ho hatakela tse chesang), dikheibole tsa ho futhumatsa tse nang le mocheso o phahameng, difuthumatsi tsa mochini o otlollang filimi ya polasetiki |
| Lisebelisoa tsa Ntlo | Ho futhumatsa ka potlako le ka mokhoa o ts'oanang, bophelo bo bolelele ba ts'ebeletso (lihora tse ≥5000 ts'ebetso e tsoelang pele), ho latela melao ea polokeho, ts'ebetso e tsitsitseng | Likhoele tsa ho futhumatsa tsa onto/microwave, liphaephe tsa ho futhumatsa tsa hitara ea metsi ea motlakase, li-module tsa ho futhumatsa tsa induction cooktop, li-aron tsa motlakase, likarolo tsa ho futhumatsa tsa mochini oa kofi, li-heating pad, likobo tsa motlakase, li-curlers tsa moriri |
| Indasteri ea Likoloi | Botsitso ba mechini tlas'a ho feto-fetoha ha mocheso (-40°C ho isa ho 120°C), ho hanyetsa mafome, ho ikamahanya le moralo o monyane | Lithapo tsa ho futhumatsa litulo tsa koloi, litsamaiso tsa ho futhumatsa lebili la setering, li-defroster tsa seipone tse shebang morao, litsamaiso tsa taolo ea mocheso oa betri (li-EV), li-heater tse thusang tsa moea o pholileng oa likoloi |
| Elektroniki le Motlakase | Ho hanyetsa ho tsitsitseng (± 0.5% mamello), ho ductility e ntle (e ka huleloa ho fihlela bophara ba 0.01mm), coefficient e tlase ea khanyetso mochesong | Li-resistor tse nepahetseng, li-resistor tsa kutlo tsa hona joale, lipotoloho tsa phanele ea lisebelisoa, li-winding tsa coil tsa tlhahiso tse iketsang (li-valve tsa solenoid), likarolo tse nyane tsa ho futhumatsa bakeng sa li-sensor tsa elektroniki |
| Patlisiso ea Saense le Tlhahiso e Tsoetseng Pele | Ho tšoarella ha potoloho ea mocheso (lipotoloho tse fetang 1000 ntle le phetoho), mokhoa oa ho sebetsana le lintho ka mokhoa o ka fetoloang, ho lumellana le tikoloho e feteletseng | Teko ea ho tšoarella ha thepa mochesong o phahameng, lipatlisiso tsa oxidation ea bokaholimo, ketsiso ea mocheso oa likarolo tsa sefofane, li-module tsa ho futhumatsa tse thusang tsa khatiso ea 3D, li-heater tsa lisebelisoa tsa tlhahiso ea semiconductor |
Selelekela se qaqileng sa Kopo
Ka hare holefapha la ho futhumatsa indasteri, Terata ea Nicr7030 e tsebahala haholo e le thepa e ratoang bakeng sa likarolo tsa ho futhumatsa tikoloho e thata. Ho fapana le thepa e tloaelehileng ea ho futhumatsa, thepa ea eona e ikhethang ea ho loantša "ho bola ho tala" (ho hanyetsa oxidation ea intergranular) e netefatsa ts'ebetso e tšepahalang ho fokotseng sepakapaka le tikoloho ea mouoane e nang le mocheso o phahameng, e leng ea bohlokoa bakeng sa lionto tsa indasteri tse sebelisoang ho annealing le ho sintering ka tšepe. Bakeng sa tlhahiso ea khalase, ho hanyetsa ho tsitsitseng ha terata ho tiisa ho futhumatsa ho tšoanang ha lionto tsa ho futhumatsa le lisebelisoa tsa ho hula faeba, ho thibela liphoso tsa sehlahisoa tse bakoang ke ho feto-fetoha ha mocheso. Ho feta moo, sephutheloana sa eona se nang le spool (se fumanehang ka meqolo ea 100m-1000m) se tšehetsa ho fepa ka boiketsetso ho tsoelang pele, ho ntlafatsa haholo katleho ea tlhahiso bakeng sa tlhahiso ea likhoele tsa heater. Ha e bapisoa le terata ea alloy ea Nicr8020, Nicr7030 e fana ka ductility e betere le katleho ea litšenyehelo, e leng se etsang hore e tšoanelehe haholoanyane bakeng sa lits'ebetso tse kholo tsa indasteri tse hlokang ho kobeha le ho bopa ka mokhoa o rarahaneng.
Bakeng salisebelisoa tsa ntlo, Tshebetso e potlakileng ya ho futhumatsa ya terata ya Nicr7030 (e fihlella mocheso o behiloeng ka metsotsoana e 3-5) le kabo e tshwanang ya mocheso di ntlafatsa boiphihlelo ba mosebedisi ho pholletsa le dihlahiswa tse fapaneng. Disebedisweng tsa kichine tse kang dionto le di-microwave, kganyetso ya mocheso o phahameng wa terata e netefatsa tshebetso e tsitsitseng ya nako e telele ntle le ho senyeha ha tshebetso. Bakeng sa dihlahiswa tsa tlhokomelo ya botho tse kang dikobo tsa motlakase le di-heating pad, e fihlella maemo a polokeho a matjhaba (mohlala, IEC 60335) ka chefo e tlase le ho tsamaellana hantle ha ho futhumatsa. Bophelo ba yona bo bolelele ba tshebeletso (ho fihlela dihora tse 8000 tsa tshebediso e tswelang pele) bo fokotsa ditjeo tsa tlhokomelo le ho nkela sebaka bahlahisi ba disebediswa, ha dibopeho tsa yona tse bolokang matla di tsamaellana le mekgwa ya tshireletso ya tikoloho ya lefatshe.
Theindasteri ea likoloiE rua molemo haholo bokgoning ba terata ya Nicr7030 ba ho boloka botsitso ba mechini tlasa diphetoho tse feteletseng tsa mocheso. Dikoloing tsa motlakase le dikoloing tsa setso, e sebediswa ditsamaisong tsa ho futhumatsa ditulo le disetereng, e fana ka mofuthu o tsitsitseng esita le dibakeng tse nang le mocheso o tlase wa -40°C. Khanyetso ya mafome ya terata e netefatsa hore e ka mamella tikoloho e mongobo le e ruileng ka dikhemikhale tsa kahare ho dikoloi, e qoba ho hloleha pele ho nako ho bakwang ke mongobo kapa ho dutla ha coolant. Ho feta moo, bophara ba yona bo bosesaane (ho fihlela ho 0.1mm) bo dumella moralo o monyane, o keneng ka ho se lekane kahare ho kahare ho dikoloi tsa sejwalejwale ntle le ho nka sebaka se eketsehileng.
In lits'ebetso tsa elektroniki le tsa motlakase, Resistivity e tsitsitseng haholo ya terata ya Nicr7030 (e nang le coefficient ya mocheso wa khanyetso e tlase ho 0.0004/°C) e bohlokwa bakeng sa dikarolo tsa elektroniki tse nepahetseng. E sebediswa haholo di-resistor tsa kutlwisiso ya hajwale le dipotoloho tsa phanele ya disebediswa, ho netefatsa phetiso e nepahetseng ya letshwao le tekanyo. Ductility ya yona e ntle e e nolofalletsa ho hulwa ka hara dithapo tse ntle haholo (0.01mm) bakeng sa di-sensor tsa elektroniki tse nyane le di-valve tsa solenoid tse melaleng ya tlhahiso e iketsang. Ha e bapiswa le terata ya koporo, Nicr7030 e fana ka resistivity e phahameng, e dumella boholo ba dikarolo tse nyane ha e ntse e boloka boleng bo tshwanang ba khanyetso, e leng bohlokwa bakeng sa mokgwa wa miniaturization wa disebediswa tsa elektroniki.
In lipatlisiso tsa saense le tlhahiso e tsoetseng pele, Terata ea Nicr7030Ho tšoarella ha potoloho ea mocheso le ho khona ho e sebetsana ka mokhoa o ka fetoloang ho etsa hore e be sesebelisoa sa bohlokoa. E tšehetsa liteko tsa thepa ea mocheso o phahameng (mohlala, liteko tsa ho hanyetsa oxidation ea tšepe) ka ho mamella lipotoloho tse fetang 1000 tsa mocheso ntle le ho fetoha kapa tahlehelo ea ts'ebetso. Phuputsong ea lifofane, e sebelisoa lisebelisoa tsa ketsiso ea mocheso ho etsisa libaka tse feteletseng tsa mocheso tse tobaneng le likarolo tsa lifofane. Bakeng sa khatiso ea 3D le tlhahiso ea semiconductor, ho lumellana ha terata le tikoloho ea vacuum le khase e sa sebetseng ho netefatsa ts'ebetso e tšepahalang lits'ebetsong tse ikhethileng tsa tlhahiso. Re boetse re fana ka litlhaloso tse ikhethileng (mohlala, li-alloy tse khethehileng, bophara bo sa tloaelehang) ho fihlela litlhoko tse ikhethang tsa merero ea lipatlisiso tsa mahlale.
Ka kakaretso, ho tenyetseha ha terata ea Nicr7030 nichrome, ho tšepahala le ts'ebetso e phahameng ho etsa hore e be khetho e tšepahalang ho pholletsa le liindasteri. Ebang ke libakeng tse hlokang boiteko bo boholo indastering, lihlahisoa tsa bareki tsa letsatsi le letsatsi, kapa masimong a lipatlisiso a tsoetseng pele, e fana ka ts'ebetso e tsitsitseng le e sebetsang hantle ka linako tsohle. Khamphani ea rona e fana ka tšehetso e felletseng ea tekheniki, ho kenyeletsoa le puisano ea khetho ea thepa, tlhahlobo ea sampole, le ts'ebetso e ikhethileng, ho thusa bareki ho eketsa boleng ba terata ea Nicr7030 lits'ebetsong tsa bona tse ikhethileng.
Nako ea poso: Tshitwe-04-2025
