Kwi-electronics, i-resistors idlala indima ebalulekileyo ekulawuleni ukuhamba kwangoku. Ziyizinto ezibalulekileyo kwizixhobo ezisuka kwiisekethe ezilula ukuya koomatshini abanzima. Izinto ezisetyenziselwa ukwenza i-resistors zichaphazela kakhulu ukusebenza kwazo, ukuqina kunye nokusebenza kakuhle. Phakathi kwazo, i-iron-chromium-aluminium alloys, i-nickel-chromium alloys, kunye ne-copper-nickel alloys zinomdla omkhulu ngenxa yeempawu zabo ezizodwa.
Kutheni i-alloys idlala indima ebalulekileyo kwimveliso ye-resistor
I-alloys yingxube yezinto ezimbini okanye ngaphezulu, ubuncinane enye yazo yintsimbi. Zenzelwa ukomeleza iipropathi ezithile ezinje ngokuqina, ukuxhathisa umhlwa kunye nokuzinza kwe-thermal. Kwizicelo ezichasayo, ukhetho lwe-alloy luchaphazela i-coefficient yokushisa, ukuzinza kunye nokusebenza ngokubanzi kwe-resistor.
Ziziphi iimpawu eziphambili ze-alloys ezisetyenziselwa ukuxhathisa
(1) Ukuchasana: Umsebenzi oyintloko we-resistor kukubonelela ukuchasana nokuhamba kwamanzi. I-resistantivity ye-alloy yinto ephambili ekunqumeni ukusebenza kwayo ekwenzeni lo msebenzi. 2.
(2) I-Temperature Coefficient: Le propati ibonisa ukuba ukuchasana kwezinto kuhluka kangakanani nobushushu. I-Resistors ifuna i-coefficient yokushisa ephantsi yokumelana nokuqinisekisa ukusebenza okuzinzileyo kuluhlu olubanzi lwamaqondo okushisa.
(3) I-Corrosion Resistance: I-Resistors ihlala ibonakaliswe kwiindawo ezinzima. I-alloys echasene ne-oxidation kunye ne-corrosion ibalulekile ekugcineni ubomi kunye nokuthembeka kwe-resistor.
(4) Amandla omatshini: Abachasi kufuneka bamelane noxinzelelo lomzimba kunye nokuhamba ngebhayisikile ye-thermal. Ama-alloys anamandla omatshini aphezulu anokumelana nale meko ngaphandle kokuthotywa.
(5) Ukuzinza kweThermal: Ukukwazi kwe-alloy ukugcina iimpawu zayo kumaqondo okushisa aphezulu kubaluleke kakhulu, ngakumbi kwizicelo zamandla aphezulu.
Intsimbi ye-Aluminiyam ye-Iron Chromium-Ukwakheka kunye neePropati:
Iron-chromium-aluminiyam alloys(I-FeCrAl) ziyaziwa ngokuxhathisa kwazo kwi-oxidation kunye nokuzinza okuphezulu kobushushu. Ngokuqhelekileyo zenziwe ngentsimbi, i-chromium kunye ne-aluminiyam, ezi ngxube azithobi kakhulu kwiqondo lokushisa ukuya kwi-1400 ° C (2550 ° F).
Usetyenziso kwiiResistors:
I-iron-chromium-aluminiyam ialloys isetyenziswa ngokubanzi kwizichasi zobushushu obuphezulu, ngakumbi kwezi zicelo zilandelayo:
- Izinto zokufudumeza: I-Iron Chromium Aluminium alloys isetyenziswa ngokuqhelekileyo njengento yokufudumeza kwiziko lezoshishino kunye nee-ovens ngenxa yokukwazi kwabo ukugcina ingqibelelo yesakhiwo kumaqondo aphezulu okushisa.
- Izichasi zamandla: Ezi alloys zikwasetyenziswa kwizichasi zamandla ezifuna ukuzinza okuphezulu kwe-thermal kunye nokumelana ne-oxidation.
- Ukusetyenziswa kweemoto: kwii-automotive electronics, ii-alloys ze-FeCrAl zisetyenziswa kwii-resistors ezisebenza kwiindawo eziphezulu zokushisa, ezifana neenkqubo zokukhupha.
I-Nickel-Chromium Alloys-Ukwakheka kunye neePropati:
I-alloys ye-nickel-chromium (NiCr) lolunye ukhetho oludumileyo lwezicelo zokuxhathisa. Ezi alloys ngokuqhelekileyo zenziwe nge-nickel kunye ne-chromium, ipesenti exhomekeke kwiimpawu ezifunwayo.I-alloys ye-NiCrziyaziwa ngokuxhathisa kwazo okugqwesileyo, ukusebenza kobushushu obuphezulu kunye nokumelana nomhlwa.
Ngokuqhelekileyo i-alloys ye-nichrome isetyenziswa:
- I-Filimu Resistors: Ezi zixhasi zisetyenziswa kwizicelo apho ukuchaneka kubaluleke kakhulu kwaye apho i-alloy ye-NiCr ibonelela ngokuzinza okuyimfuneko kunye ne-coefficient yokushisa ephantsi.
-I-Wirewound Resistors: Kwii-resistors ze-wirewound, ucingo lwe-Nichrome luhlala lusetyenziswa ngenxa yokuxhathisa okuphezulu kunye nokukwazi ukumelana nokuhamba ngebhayisikili eshushu.
- Izicelo zobushushu obuphezulu: Ngokufana ne-ferrochromium-aluminium alloys, i-nickel-chromium alloys ifanelekile kwiindawo eziphakamileyo zokushisa, okwenza zibe zilungele ukusetyenziswa kwezoshishino kunye ne-aerospace.
I-alloys ye-Copper-nickel - ukubunjwa kunye neempawu
I-alloys ye-Copper-nickel (i-CuNi) iyaziwa ngokugqithiswa kombane kunye nokumelana nokubola. Ezi alloys ngokuqhelekileyo ziqulethe ubhedu kunye ne-nickel, kunye neempawu ezithile eziphunyezwe ngokutshintsha umxholo we-nickel. Ii-alloys zaseCuNi zixatyiswe ngokukodwa ngokukwazi kwazo ukugcina ukusebenza elwandle nakwezinye iindawo eziyingozi.
I-alloys ye-copper-nickel isetyenziswa kwizicelo ezahlukeneyo zokuchasa, kubandakanya:
-Ii-Resistors ezichanekileyo: Ngenxa yokuqhuba kakuhle kunye nozinzo,CuNi alloysziqhele ukusetyenziswa ngokuchaneka resistors kumlinganiselo kunye nolawulo izicelo.
- Ukusetyenziswa kolwandle: Ukumelana nomhlwa kweealloyi zeCuNi kuzenza zilungele izinto ezixhathisayo ezisetyenziswa kwindawo ehlala elwandle apho ukuvezwa kumanzi anetyuwa kunokuba yingozi.
- Ukushisa okuphantsi kwezicelo: I-alloys ye-Copper-nickel yenza kakuhle kwiindawo ze-cryogenic, ezenza zibe zilungele ukusetyenziswa kweqondo lokushisa eliphantsi.
I-FeCrAl, i-nichrome, kunye ne-copper-nickel alloys zonke zineempawu ezizodwa ezenza ukuba zifaneleke kwiintlobo ezahlukeneyo zezicelo.
- I-Iron-chromium-aluminiyam i-alloys iqhuba kakuhle kwiindawo eziphezulu zokushisa kwaye zifaneleke kakuhle izinto zokufudumeza kunye nezichasi zamandla.
- I-alloys ye-nickel-chromium inika uzinzo oluhle kakhulu kunye nokumelana nokugqwala kwaye ifanelekile kwifilimu kunye ne-wirewound resistors.
- I-alloys ye-Copper-nickel iyaziwa ngokuba yi-conductivity ephezulu kunye nokuchasana nokugqwala kwaye ifaneleke kakuhle i-resistors echanekileyo kunye nezicelo zaselwandle.
Ixesha lokuposa: Sep-26-2024