Mokhoa oa ho Welding bakeng sa Lishiti tse Hloekileng tsa Zirconium ke Efe?

Mokhoa oa ho cheselletsa oa letlapa le hloekileng la zirconium e haufi le ts'ebetso ea tjheseletsa ea li-alloys tsa titanium le titanium, phello ea ts'ireletso ea seam ea welding e phahame ho feta ea li-alloys tsa titanium le titanium, 'me mehato e fapaneng e nkiloeng nakong ea ho cheselletsa e thata ho feta ea li-alloys tsa titanium le titanium. Sebaka sa h pakeng tsa toche le karolo ea ho tjheseletsa e nyane ka hohle kamoo ho ka khonehang (h≤6mm), sekoti se seholo le phallo ea argon ea sekoahelo sa trailing e lokela ho lumellana hantle, leha e le khōlō haholo, kapa e nyenyane haholo, e se ke ea theha vortex ea khase sebakeng se seholo, se amang phello ea tšireletso. Zirconium (Zr) ha e ngata haholo karolong e ka holimo ea lefatše 'me ke ntho e sa tloaelehang. Mocheso oa kamore, zirconium e na le khanyetso e ntle ea kutu le ho tiea ho matla ho li-acids, alkalis le mecha ea litaba e fapaneng. Leha ho le joalo, thepa ea mechine le ho hanyetsa ha kutu ea zirconium le li-alloys tsa zirconium li fokotseha ka mocheso o ntseng o eketseha, 'me ka holimo ho 500 ° C li lahleheloa ke ho hanyetsa ha tsona 'me thepa ea bona ea mechine e fokotsehile. Ka hona, litšepe tsa zirconium le li-alloys tsa eona li ka sebelisoa feela libakeng tse ka tlase ho 500 ° C. Ho phaella moo, zirconium ke ntho e sebetsang ka lik'hemik'hale 'me e silafatsoa habonolo ke likhase, haholo-holo moeeng oa nitrogen le hydrogen. Ka mocheso o ka tlase ho 400 ~ 500 ° C, phello ea zirconium le nitrogen e fokola haholo; ka 800 ~ 900 ° C, phello ea zirconium le naetrojene e matla haholo, e etsa zirconium nitride; ka 900 ~ 1000 ° C, zirconium e monya hydrogen ka matla, e etsa ZrH2, 'me ho bonolo haholo ho hlahisa masoba a khase ea hydrogen.

1. Tokiso e hloekileng ea lijana tsa zirconium

(1) Thepa ea karolo e cheselitsoeng ke poleiti e hloekileng ea zirconium (Zr-1).

(2) Boholo ba karolo e cheselitsoeng ke 4mm e teteaneng.

(3) Foromo ea Bevel: Foromo ea Bevel le boholo ba poleiti ea Zr-1.

(4) Welding lintho tse bonahalang: ERZr-2 terata tjheseletsa, bophara 1.6mm.

(5) Tungsten electrode: WCe-5, bophara 2mm, ho sebelisa ntlha ea eleketrode tungsten, ka etsa bonnete ba botsitso arc le botebo bo lekaneng ba ho qhibiliha, hangata ho sebelisa khoune angle 30 ° ~ 60 °, ntlha ho ba fatše bataletseng, bophara ba hoo e ka bang 0.4mm.

(6) Thepa ea Welding WS-400 mofuta oa tjheseletsa mochini 1 sete. Sebelisa khokahano e ntle ea DC.

(7) Argon gas pure argon volume volume part of 99.99%, phoka ea -45 ℃.

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2. Welding e hloekileng ea zirconium plate positioning

(1) Ho sila pele ho tjheseletsa: weld e qala ho hlakoloa ka acetone ka hare ho 80mm ka lehlakoreng le leng la bevel ka oli le litšila, ebe e belisoa ka lebili la terata ea tšepe e sa hloekang ebe o tlosa letlalo la oxidation ka hare ho 30mm ka lehlakoreng le leng la bevel ho fihlela khanya ea tšepe e senoloa.

(2) boemo ba tjheseletsa: ho beha tjheseletsa ka morao ho chesella, ho beha weld bolelele ba 50mm, ho beha tjheseletsa ho tloha lipheletsong tse peli tsa weld e loketseng ho tloha e se na letho. Mekhahlelo ea welding bakeng sa Zr-1 (pure zirconium) plate positioning welding e ts'oana le li-parameter tsa welding tse hlophisitsoeng.

(3) Ho kenya letlapa la koporo le grooved: Letlapa la koporo le betliloeng le kentsoe karolong e phethiloeng e cheselitsoeng.

3. Ho tjheseletsa ka molao poleiti ya zirconium

(1) Pele arc ea welding e kenngoa, khase ea argon e lebisitsoe ho pad, sekoahelo sa ho hula le sekoahelo sa toche ho tlosa moea sebakeng seo ebe ho etsoa arc.

(2) Khetha li-parameter tsa welding ho ea ka litekanyetso tse tloaelehileng tsa welding.

(3) ho tjheseletsa letamo le qhibilihisitsoeng ho tlatsa marotholi a qhibilihileng a terata, pheletso ea mocheso oa terata e lokelang ho etsoa ka har'a lera le sireletsang la khase ea argon.

(4) Welding ho tsepamisa maikutlo mocheso input eneji ho futhumatsa tjheseletsa le ho potlakisa sekhahla tsidifatso, ho qoba oxidation ea zirconium tjheseletsa likarolo nako e telele mocheso phahameng.

(5) Leka ho cheseletsa ka tanka ea argon ha ho khoneha.