Kwi-elektroniki, ii-resistor zidlala indima ebalulekileyo ekulawuleni ukuhamba kombane. Zizinto ezibalulekileyo kwizixhobo eziqala kwiisekethe ezilula ukuya koomatshini abantsonkothileyo. Izinto ezisetyenziselwa ukwenza ii-resistor zichaphazela kakhulu ukusebenza kwazo, ukuqina kunye nokusebenza kakuhle. Phakathi kwazo, ii-alloys ze-iron-chromium-aluminium, ii-alloys ze-nickel-chromium, kunye nee-alloys ze-copper-nickel zinomdla omkhulu ngenxa yeempawu zazo ezizodwa.
Kutheni ii-alloys zidlala indima ebalulekileyo ekuvelisweni kwe-resistor
Ii-alloys ziindibaniselwano zezinto ezimbini okanye ngaphezulu, ubuncinane enye yazo yintsimbi. Zenzelwe ukuphucula iimpawu ezithile ezifana namandla, ukumelana nokugqwala kunye nokuzinza kobushushu. Kwizicelo ze-resistor, ukhetho lwe-alloy luchaphazela i-coefficient yobushushu, ukuzinza kunye nokusebenza ngokubanzi kwe-resistor.
Zeziphi iimpawu eziphambili zee-alloys ezisetyenziswa kwii-resistor
(1) Ukuxhathisa: Umsebenzi oyintloko wesithinteli kukubonelela ngokuxhathisa ukuhamba komsinga. Ukuxhathisa kwe-alloy yinto ebalulekileyo ekumiseleni ukusebenza kwayo ekwenzeni lo msebenzi. 2.
(2) I-Thermal Coefficient: Olu phawu lubonisa ukuba ukumelana kwezinto kuyahluka kangakanani ngokweqondo lobushushu. Ii-Resistors zifuna i-thermal coefficient ephantsi yokumelana ukuqinisekisa ukusebenza okuzinzileyo kumanqanaba obushushu ahlukahlukeneyo.
(3) Ukumelana Nokugqwala: IiResistor zihlala zichatshazelwa ziindawo ezinobungozi. Iialloy ezichasayo ukugqwala kunye nokugqwala zibalulekile ekugcineni ubomi kunye nokuthembeka kweresistor.
(4) Amandla Oomatshini: Iiresista kufuneka zinyamezele uxinzelelo lomzimba kunye nokujikeleza kobushushu. Iialloy ezinamandla aphezulu oomatshini zinokunyamezela ezi meko ngaphandle kokuwohloka.
(5) Uzinzo lobushushu: Amandla e-alloy okugcina iipropati zayo kumaqondo obushushu aphezulu abaluleke kakhulu, ingakumbi xa kusetyenziswe amandla aphezulu.
I-Aluminium Alloy ye-Iron Chromium - Ulwakhiwo kunye neePropati:
Ii-alloys ze-iron-chromium-aluminium(FeCrAl) zaziwa ngokumelana kwazo kakuhle ne-oxidation kunye nokuzinza kobushushu obuphezulu. Ngokwesiqhelo zenziwe ngentsimbi, i-chromium kunye ne-aluminium, ezi alloys aziwohloki kakhulu kumaqondo obushushu afikelela kwi-1400°C (2550°F).
Izicelo kwi-Resistors:
Ii-alloys ze-iron-chromium-aluminium zisetyenziswa kakhulu kwii-resistor ezishushu kakhulu, ingakumbi kwezi zicelo zilandelayo:
- Izinto zokufudumeza: Iron Chromium Ii-aluminium alloys zihlala zisetyenziswa njengezinto zokufudumeza kwii-oven zoshishino ngenxa yokukwazi kwazo ukugcina ulwakhiwo luqinile kumaqondo obushushu aphezulu.
- Ii-Power resistor: Ezi alloys zikwasetyenziswa kwii-power resistor ezifuna uzinzo oluphezulu lobushushu kunye nokumelana ne-oxidation.
- Ukusetyenziswa kweemoto: Kwizixhobo ze-elektroniki zeemoto, ii-FeCrAl alloys zisetyenziswa kwii-resistor ezisebenza kwiindawo ezinobushushu obuphezulu, njengeenkqubo zokukhupha umoya.
Ii-Alloys zeNickel-Chromium - Ulwakhiwo kunye neePropati:
Ii-alloy ze-nickel-chromium (NiCr) lolunye ukhetho oludumileyo kwizicelo ze-resistor. Ezi alloys zihlala zenziwe yi-nickel kunye ne-chromium, ipesenti yazo ixhomekeke kwiimpawu ezifunwayo.Iialloy zeNiCrzaziwa ngokuxhathisa kwazo okugqwesileyo, ukusebenza kakuhle kumaqondo obushushu aphezulu kunye nokumelana nokugqwala.
Ii-alloys zeNichrome zisetyenziswa kakhulu:
- IiResistors zeFilimu: Ezi resistors zisetyenziswa kwiindawo apho ukuchaneka kubaluleke kakhulu kwaye apho i-NiCr alloy inika uzinzo olufunekayo kunye ne-coefficient yobushushu obuphantsi.
- IiResistor zeWirewound: KwiiResistor zeWirewound, iNichrome wire idla ngokusetyenziswa ngenxa yokumelana kwayo okuphezulu kunye nokukwazi kwayo ukumelana nokujikeleza kobushushu.
- Usetyenziso lobushushu obuphezulu: Njengee-alloys ze-ferrochromium-aluminium, ii-alloys ze-nickel-chromium zifanelekile kwiindawo ezinobushushu obuphezulu, nto leyo eyenza ukuba zilungele ukusetyenziswa kwemizi-mveliso kunye neenqwelo-moya.
Ii-alloys zeCopper-nickel - ukwakheka kunye neempawu
Ii-alloy zeCopper-nickel (CuNi) zaziwa ngokuqhuba kwazo umbane kakuhle kunye nokumelana nokugqwala. Ezi alloy zihlala ziqulathe i-copper kunye ne-nickel, ezineempawu ezithile ezifumaneka ngokutshintsha umxholo we-nickel. Ii-alloy zeCuNi zixatyiswa kakhulu ngokukwazi kwazo ukugcina ukusebenza kwiindawo zaselwandle nakwezinye iindawo ezigqwalisayo.
Ii-alloys ze-Copper-nickel zisetyenziswa kwiindlela ezahlukeneyo zokuthintela, kuquka:
- IiResistors ezichanekileyo: Ngenxa yokuqhuba kwazo kakuhle kunye nozinzo,Iialloy zeCuNizisetyenziswa rhoqo kwii-resistor ezichanekileyo kwizicelo zokulinganisa nokulawula.
- Ukusetyenziswa kolwandle: Ukumelana nokugqwala kwee-alloys zeCuNi kuzenza zilungele ii-resistor ezisetyenziswa kwiindawo zaselwandle apho ukuchatshazelwa ngamanzi anetyuwa kunokuba yingozi.
- Usetyenziso lobushushu obuphantsi: Ii-alloy ze-copper-nickel zisebenza kakuhle kwiindawo ezi-cryogenic, nto leyo ezenza ukuba zilungele ukusetyenziswa kobushushu obuphantsi.
Ii-FeCrAl, i-nichrome, kunye nee-alloys ze-copper-nickel zonke zineempawu ezizodwa ezenza zilungele ukusetyenziswa ngeendlela ezahlukeneyo.
- Ii-alloys ze-iron-chromium-aluminium zisebenza kakuhle kwiindawo ezinobushushu obuphezulu kwaye zifanelekile kwizinto zokufudumeza kunye nezithinteli zamandla.
- Ii-alloys ze-nickel-chromium zibonelela ngozinzo oluhle kakhulu kunye nokumelana nokugqwala kwaye zifanelekile kwii-resistors zefilimu kunye nee-wirewound.
- Ii-alloy zeCopper-nickel zaziwa ngokuqhuba kwazo okuphezulu kunye nokumelana nokugqwala kwaye zifanelekile kwii-resistor ezichanekileyo kunye nokusetyenziswa kolwandle.
Ixesha leposi: Sep-26-2024
