Yintoni Umahluko phakathi kweThoriated Tungsten kunye neLanthana Electrodes?

2. Iimpawu zokusebenza:

Ukusebenza kokukhutshwa kwe-electron

Thoriumtungsten electrode: Ngenxa yokubola kwe-radioactive ye-thorium element, ezinye ii-electron zamahhala ziya kuveliswa kumphezulu we-electrode. Ezi electron zinceda ukunciphisa umsebenzi we-electrode, ngaloo ndlela zenza amandla okukhutshwa kwe-electron aqine. Isenokukhupha ii-electron ngokuzinzileyo kumaqondo obushushu asezantsi, nto leyo eyenza ukuba isebenze ngcono kwezinye iimeko ezifana ne-AC welding apho kufuneka ukuqaliswa rhoqo kwe-arc.

I-Lanthanum tungsten electrode: Ukusebenza kwe-electron emission nayo ilungile. Nangona kungekho kukhutshwa kwe-electron encedisayo ye-radioactive, i-lanthanum oxide inokucokisa ulwakhiwo lweenkozo ze-tungsten kwaye igcine i-electrode kwindawo efanelekileyo yokukhutshwa kwe-electron kwiqondo lokushisa eliphezulu. Kwinkqubo ye-welding ye-DC, inokubonelela nge-arc ezinzileyo kwaye yenza umgangatho we-welding ufanane.

Ukumelana nokutshisa

Thorium tungsten electrode: Kwindawo yokushisa ephezulu, ngenxa yobukho be-thorium oxide, ukuchasana nokutshiswa kwe-electrode kunokuphuculwa kwinqanaba elithile. Nangona kunjalo, ngokunyuka kwexesha lokusetyenziswa kunye nokunyuka kwe-welding current, intloko ye-electrode iya kutshisa kwinqanaba elithile.

I-lanthanum tungsten electrode: Inokumelana nokutsha okulungileyo. I-Lanthanum oxide inokwenza ifilimu ekhuselayo kwindawo ye-electrode kwiqondo lokushisa eliphezulu ukukhusela i-oxidation eyongezelelweyo kunye nokutshiswa kwe-tungsten. Ngexesha le-welding ephezulu yangoku okanye imisebenzi ye-welding yexesha elide, i-shape ye-lanthanum tungsten electrode inokuhlala izinzile, inciphisa inani lokutshintshwa kwe-electrode rhoqo.

Ukuqala ukusebenza kweArc

I-electrode ye-thorium tungsten: Kulula ukuqalisa i-arc, kuba umsebenzi wayo ophantsi womsebenzi uvumela umzila wokuqhuba ukuba usekwe phakathi kwe-electrode kunye ne-weldment ngokukhawuleza ngexesha lokuqalisa i-arc, kwaye i-arc inokuvutha ngokukhawuleza.

I-Lanthanum tungsten electrode: I-arc yokuqalisa ukusebenza ingaphantsi kancinci kune-thorium tungsten electrode, kodwa phantsi kwezixhobo ezifanelekileyo ze-welding parameter setting, isenokufikelela kwi-arc elungileyo yokuqala. Kwaye iqhuba kakuhle kwi-arc uzinzo emva kokuqala kwe-arc.

3. Iimeko zesicelo

Thoriumtungsten electrode

Ngenxa yokusebenza kwayo kakuhle kwe-electron emission kunye nokusebenza kokuqala kwe-arc, isoloko isetyenziswa kwi-AC argon arc welding, ngakumbi xa i-welding aluminiyam, i-magnesium kunye ne-alloys yayo kunye nezinye izinto ezineemfuno zokuqala ze-arc. Nangona kunjalo, ngenxa yobukho be-radioactivity, ukusetyenziswa kwayo kuthintelwe kwezinye iimeko kunye neemfuno ezingqongqo zokhuselo lwemitha, njengokwenziwa kwezixhobo zonyango, ukuwelda izixhobo zeshishini lokutya kunye namanye amacandelo.

I-lanthanum tungsten electrode

Ngenxa yokuba akukho ngozi ye-radioactive, uluhlu lwesicelo lwayo lubanzi. Ingasetyenziswa kwi-DC argon arc welding kunye nezinye iimeko ze-AC argon arc welding. Xa izinto ze-welding ezifana nensimbi engenasici, i-carbon steel, i-alloy yobhedu, njl., inokusebenzisa ukusebenza kwayo okuzinzile kwe-arc kunye nokumelana nokutshisa okulungileyo ukuqinisekisa umgangatho we-welding.

4. Ukhuseleko

I-thorium tungsten electrode: Ngenxa yokuba iqulethe i-thorium oxide, i-radioactive substance, iya kuvelisa iingozi ezithile ze-radioactive ngexesha lokusetyenziswa. Ukuba ibonakaliswe ixesha elide, ingaba nemiphumo emibi kwimpilo yabaqhubi, kubandakanywa nokwandisa umngcipheko wezifo ezifana nomhlaza. Ke ngoko, xa usebenzisa i-thoriated tungsten electrode, kufuneka kuthathwe amanyathelo angqongqo okukhusela ukusasazeka kwemitha, njengokunxiba iimpahla ezikhuselayo kunye nokusebenzisa izixhobo zokubeka iliso kwimitha.

I-Lanthanum tungsten electrodes: ayinayo i-radioactive substances, ikhuselekile ngokufanelekileyo, kwaye ayifuni ukukhathazeka malunga nokungcoliswa kwe-radioactive ngexesha lokusetyenziswa, ukuhlangabezana nokukhuselwa kwendalo kunye neemfuno zempilo kunye nokhuseleko.