I-Tungsten Electrode ye-TIG Welding
Kumhlaba omkhulu wenzululwazi yanamhlanje kunye neshishini, isikhephe se-tungsten sivela njengesixhobo esimangalisayo esineendlela ezahlukeneyo zokusebenza nezibalulekileyo.
Izikhephe zeTungsten zenziwe nge-tungsten, intsimbi eyaziwayo ngeempawu zayo ezikhethekileyo. I-Tungsten inendawo yokunyibilika ephezulu ngokumangalisayo, i-thermal conductivity egqwesileyo, kunye nokumelana okumangalisayo nokusabela kweekhemikhali. Ezi mpawu zenza kube yinto efanelekileyo yokwenza iinqanawa ezinokumelana neemeko ezinzima.
Esinye sezicelo eziphambili zeenqanawa ze-tungsten kumhlaba wokufakwa kwe-vacuum. Apha, isikhephe sifudunyezwa kumaqondo obushushu aphezulu ngaphakathi kwigumbi elifunxayo. Izinto ezibekwe kwisikhephe ziyaba ngumphunga kwaye zifake kwi-substrate, zenze iifilimu ezincinci ezinobunzima obuchanekileyo kunye nokwakheka. Le nkqubo ibalulekile kwimveliso yeesemiconductors. Umzekelo, ekuvelisweni kwee-microchips, iinqanawa ze-tungsten zinceda ukubeka iileyibhile zezinto ezifana nesilicon kunye neentsimbi, zenza isekethe enzima enika amandla ilizwe lethu ledijithali.
Kwindawo ye-optics, iinqanawa ze-tungsten zidlala indima ebalulekileyo. Zisetyenziselwa ukufaka iingubo kwiilensi kunye nezibuko, ziphucula ukubonakaliswa kwazo kunye nokuhanjiswa. Oku kukhokelela ekusebenzeni okuphuculweyo kwezixhobo zokukhanya ezifana neekhamera, iiteleskopu, kunye neenkqubo zelaser.
Ishishini le-aerospace likwaxhamla kwizikhephe ze-tungsten. Izinto ezivezwe kumaqondo obushushu aphezulu kunye neemekobume ezirhabaxa ngexesha lokuhamba emajukujukwini zenziwe kusetyenziswa ukubekwa okulawulwayo okuququzelelwa zezi zikhephe. Izinto ezifakwe ngolu hlobo zibonelela ngokumelana nobushushu obuphezulu kunye nokuqina.
Izikhephe zeTungsten nazo ziqeshwe ekuphuhliseni izinto ezintsha zokugcina amandla kunye nokuguqulwa. Bancedisa kwi-synthesis kunye nokubonakaliswa kwezinto eziphathekayo kwiibhetri kunye neeseli zepetroli, ukuqhuba ukukhangela izisombululo zamandla ezisebenzayo nezizinzileyo.
Kuphando lwezesayensi yezinto eziphathekayo, zenza ukuba kufundwe utshintsho lwesigaba kunye neepropathi zezinto eziphantsi kweemeko ezilawulwayo zokumka komphunga. Oku kunceda izazinzulu ukuba ziqonde kwaye zilawule ukuziphatha kwemathiriyeli kwinqanaba leathomu.
Ngaphaya koko, kwimveliso yeengubo ezikhethekileyo zokwaleka kwimizi-mveliso eyahlukeneyo, izikhephe ze-tungsten ziqinisekisa ukufana kunye nokusetyenziswa okuchanekileyo kwemathiriyeli, ukuphucula ukusebenza kunye nobude obude beendawo ezigqunyiweyo.
Isikhephe se-tungsten sisixhobo esiyimfuneko kwiitekhnoloji ezininzi zokusika. Ukukwazi kwayo ukuququzelela ukubekwa kwezinto ezilawulwayo kunye nokuguquka kwamanzi kuyenza ibe yinto ephambili eyenza inkqubela phambili kwiinkalo ezininzi, ukubumba ikamva lenzululwazi kunye neshishini.
Uluhlu lwemveliso yethu eqhelekileyo
Sivelisa izikhephe zomphunga ezenziwe nge-molybdenum, tungsten, kunye ne-tantalum kwisicelo sakho:
Izikhephe zeTungsten evaporation
I-Tungsten iyamelana nokumhlwa kakhulu xa ithelekiswa neentsimbi ezininzi ezinyibilikisiweyo kwaye, ngeyona ndawo iphakamileyo yokunyibilika kuzo zonke iintsimbi, ikwazi ukumelana nobushushu ngokugqithisileyo. Senza imathiriyeli ikwazi ukumelana nomhlwa ngakumbi kwaye izinze ngokwemilinganiselo ngokusebenzisa iidopanti ezikhethekileyo ezifana ne-potassium silicate.
Izikhephe zeMolybdenum evaporation
I-Molybdenum yintsimbi ezinzileyo kwaye ifanelekile kubushushu obuphezulu. Ifakwe i-lanthanum oxide (ML), i-molybdenum i-ductile ngakumbi kunye ne-corrosion-resistant. Songeza i-yttrium oxide (MY) ukuphucula ukusebenza komatshini we-molybdenum
Tantalum evaporation izikhephe
I-Tantalum inoxinzelelo lomphunga oluphantsi kakhulu kunye nesantya esisezantsi somphunga. Eyona nto ichukumisayo ngale nto, nangona kunjalo, kukumelana kwayo nokugqwala okuphezulu.
I-Cerium-Tungsten Electrode
I-Cerium-Tungsten Electrodes inomsebenzi omhle wokuqala we-arc phantsi kwemeko ye-crrrent ephantsi. I-arc yangoku iphantsi, ngoko ke i-electrodes ingasetyenziselwa ukuwelda kombhobho, iindawo ezingenasici kunye nezicolekileyo. I-Cerium-Tungsten yinto yokuqala yokukhetha ukutshintsha i-Thoriated Tungsten phantsi kwemeko ye-DC ephantsi.
| Uphawu lorhwebo | Yongeziwe | Ukungcola | Okunye | Tungsten | Umbane | Umbala |
| WC20 | CEO2 | 1.80 - 2.20% | <0.20% | Zonke | 2.7 - 2.8 | Ngwevu |
I-Lanthanate ye-Tungsten Electrode
I-lanthanate tungsten yathandwa kakhulu kwisangqa sokuwelda kwihlabathi ngokukhawuleza emva kokuba iphuhliswe ngenxa yokusebenza kwayo kakuhle kwe-welding. I-conductivity yombane ye-lanthanate tungsten ivalwe kakhulu kwi-2% ye-thoriated Tungsten. I-Welders inokuthi ithathe indawo ye-tungsten ye-thoriated Electrode kunye ne-lanthanated tungsten electrode nokuba yi-AC okanye ye-DC kwaye akufuneki ukuba benze naluphi na utshintsho lwenkqubo ye-welding. I-radioactivity evela kwi-thoriated tungsten inokuthintelwa. Enye i-advanteji ye-lanthanate tungsten kukukwazi ukuthwala umsinga ophezulu kunye nokuba nelona zinga liphantsi lokutsha-ilahleko.
| Uphawu lorhwebo | Yongeziwe | Ukungcola | Okunye | Tungsten | Umbane | Umbala |
| WL10 | La2O3 | 0.80 - 1.20% | <0.20% | Zonke | 2.6 - 2.7 | Mnyama |
| WL15 | La2O3 | 1.30 - 1.70% | <0.20% | Zonke | 2.8 - 3.0 | Lubhelu |
| WL20 | La2O3 | 1.80 - 2.20% | <0.20% | Zonke | 2.8 - 3.2 | Isibhakabhaka esiluhlaza |
Zirconiated Tungsten Electrode
I-tungsten ye-Zirconiated inokusebenza kakuhle kwi-welding ye-AC, ngakumbi phantsi komthwalo ophezulu wangoku. Naziphi na ezinye ii-electrodes ngokubhekiselele ekusebenzeni kwayo okuhle kakhulu azikwazi ukuthatha indawo ye-Zirconated tungsten electrode. I-electrode igcina i-balled end xa i-welding, ekhokelela ekungeneni kwe-tungsten encinci kunye nokuchasana kokubola.
Abasebenzi bethu bobugcisa baye babandakanyeka kuphando kunye nomsebenzi wokuvavanya kwaye baphumelele ekusombululeni iingxabano phakathi kwezinto eziqulethwe zirconium kunye nepropathi yokucubungula.
| Uphawu lorhwebo | Yongeziwe | Ubuninzi bokungcola | Okunye | Tungsten | Umbane | Uphawu lombala |
| WZ3 | ZrO2 | 0.20 - 0.40% | <0.20% | Zonke | 2.5 - 3.0 | Ntsundu |
| WZ8 | ZrO2 | 0.70 - 0.90% | <0.20% | Zonke | 2.5 - 3.0 | Mhlophe |
Tungsten Thoriated
I-Thoriated tungsten yeyona nto isetyenziswa ngokuqhelekileyo kwi-tungsten, i-Thoria yimathiriyeli ye-radioactive ekwinqanaba elisezantsi, kodwa yaba yeyokuqala ukubonisa ukuphucuka okubalulekileyo kwi-tungsten esulungekileyo.
I-tungsten ethotyiweyo yinto elungileyo yokusetyenziswa ngokubanzi kwe-tungsten kwizicelo ze-DC, kuba isebenza kakuhle naxa i-amperage engaphezulu, ngaloo ndlela iphucula ukusebenza kwe-welding.
| Uphawu lorhwebo | ThO2Umxholo(%) | Uphawu lombala |
| WT10 | 0.90 - 1.20 | Amabanga aphantsi |
| WT20 | 1.80 - 2.20 | Bomvu |
| WT30 | 2.80 - 3.20 | Mfusa |
| WT40 | 3.80 - 4.20 | I-Orenji Primary |
I-Tungsten Electrode ecocekileyo:Ifanelekile kwi-welding phantsi kwe-alternating current;
I-Yttrium Tungsten Electrode:Isetyenziswa ikakhulu kwishishini lomkhosi kunye nenqwelomoya ene-arc emxinwa, amandla okucinezela okuphezulu, ukungena kwe-welding ephezulu kwindawo ephakathi kunye nephezulu yangoku;
I-Tungsten Electrode ehlanganisiweyo:Imisebenzi yabo inokuphuculwa kakhulu ngokongeza ezimbini okanye ngaphezulu kweeoksidi zoMhlaba ezinqabileyo ezihambelanayo. I-Composite Electrodes iye yaba yinto eqhelekileyo kwintsapho ye-electrode. Uhlobo olutsha lwe-Composite Tungsten Electrode oluphuhliswe sithi lubhalwe kwiSicwangciso soPhuhliso lweSizwe kwiimveliso ezintsha.
| Igama le-Electrode | Urhwebo | Ukungcola okongeziweyo | Ubuninzi bokungcola | Okunye ukungcola | Tungsten | Umbane okhutshwayo | Uphawu lombala |
| I-Electrode yeTungsten ecocekileyo | WP | -- | -- | <0.20% | Zonke | 4.5 | Luhlaza |
| I-Yttrium-Tungsten Electrode | WY20 | YO2 | 1.80 - 2.20% | <0.20% | Zonke | 2.0 - 3.9 | Luhlaza |
| I-Electrode ehlanganisiweyo | WRex | ReOx | 1.00 - 4.00% | <0.20% | Zonke | 2.45 - 3.1 |