Indlela yokuSusa ihydrogen Annealing Forgings: Isikhokelo esipheleleyo

Ukuqhekeka kwe-hydrogen yingxaki ebalulekileyo kwimveliso nasemva konyango lwezinto zokubumba, ingakumbi ezo zenziwe ngeentsimbi ezinamandla aphezulu, iintsimbi ezingenasici, kunye nee-alloys ze-titanium. Ukubakho kweeathom ze-hydrogen ezivaleleke kwisakhiwo sesinyithi kunokukhokelela ekuqhekekeni, ekunciphiseni ukuguguleka, kunye nokungaphumeleli okungalindelekanga. Ukuphelisa le ngozi,ukucoca nge-dehydrogen—ekwaziwa ngokuba yi-hydrogen relief annealing—yinkqubo ephambili yonyango lobushushu esetyenziselwa ukususa i-hydrogen efunxiweyo kwizinto ezifunxwayo.

Eli nqaku lipheleleyo le-SEO lichaza inkqubo yokufunxa i-dehydrogen kwi-forgings, ukubaluleka kwayo, iinkqubo eziqhelekileyo, iiparameters, izixhobo ezifanelekileyo, kunye neendlela ezilungileyo zoshishino. Nokuba ungunjineli wonyango lobushushu, umthengi wezixhobo, okanye umhloli womgangatho, esi sikhokelo siya kukunceda uqonde indlela yokusebenzisa i-dehydrogen annealing ngokufanelekileyo kwiindawo zoshishino.

Yintoni i-Dehydrogen Annealing?

Ukucoca i-dehydrogen yintoinkqubo yonyango lobushushukwenziwe ukuze kususwei-hydrogen enyibilikisiweyoevela kwizinto ezixonxiweyo. I-hydrogen ingangeniswa ngexesha:

• Ukucola (ukucoca iasidi)

• Ukufakelwa ngombane

• Ukuwelda

• Ukwakha kwindawo efumileyo okanye enomoya otyebileyo we-hydrogen

Ukuba azisuswanga, iiathom zehydrogen zinokubangelaukuqhekeka okubangelwa yi-hydrogen(HIC), ukuqhekeka okulibazisekileyo, okanyeukulahleka kobunyani boomatshini.

Inkqubo yokufunxa ibandakanya ukufudumeza i-forging ukuya kubushushu obulawulwayo—ngaphantsi kwendawo yokuphinda i-crystallization—nokuyigcina ixesha elithile ukuvumela i-hydrogen ukuba isasazeke kwi-lattice yesinyithi.

Kutheni i-Dehydrogen Annealing ibalulekile?

Le nkqubo ibalulekile ngezizathu ezahlukeneyo:

• Ithintela ukungaphumeleli kwe-hydrogen embrittlement

• Ibuyisela iipropati zoomatshini ezifana nokuqina kunye nokuqina

• Iphucula ukuthembeka kunye nokhuseleko kwinkonzo

• Kubalulekile ukuhlangabezana nemigangatho yomgangatho weenqwelo-moya, iimoto kunye nenyukliya

Kwizinto ezinamandla aphezulu ezifana neebholiti, iigiya, iishafts, kunye neendawo zesakhiwo, i-dehydrogen annealing iqinisekisa ukusebenza kwexesha elide kwaye inciphisa umngcipheko wokungaphumeleli okungalindelekanga.

i-sakysteelibonelela ngeenkonzo zokufakelwa kwe-dehydrogen ezikhethiweyo kumashishini aneemfuno ezingqongqo zepropathi yoomatshini kunye nokhuseleko.

Izinto Ezifuna I-Dehydrogen Annealing

Ukucoca nge-dehydrogen kudla ngokusetyenziswa kwizinto ezilandelayo ezibunjiweyo:

• Iintsimbi zekhabhoni(ingakumbi ithomalalisiwe kwaye ithambile)

• Iintsimbi ze-alloy(umz., 4140, 4340, 1.6582)

• Iintsimbi ezingenasici zeMartensitic(umz., 410, 420)

• Iintsimbi ezingenasici zase-Austenitic(umz., 304, 316 – emva kokuqhotsa okanye ukugquma)

• Ii-alloys zeTitanium kunye neTitanium

• Iialloy ezisekwe kwi-nickel(kwiindawo ezivezwe yi-hydrogen)

Izinto ezifakwe kwi-asidi, ii-electrochemical reactions, okanye i-hydrogen-containing atmospheres zezona zibalaseleyo kolu nyango.

Inkqubo yokuNyusa i-Dehydrogen kwi-Forgings

1. Ukucoca kwangaphambili

Ngaphambi kokufaka i-anneal, i-forging kufuneka icocwe ngeoyile, ukungcola, okanye iileya ze-oxide ukuze kuthintelwe ukungcola ngexesha lonyango lobushushu.

2. Ukulayisha kwiFurnace

Iinxalenye zifakwa ngononophelo kwisithando esicocekileyo nesomileyo esinomoya ojikelezayo kakuhle okanye ukhuseleko olungenamoya ukuba kuyimfuneko.

3. Inqanaba lokufudumeza

Eli candelo lifudunyezwa kancinci kancinci ukuya kubushushu bokuphelelwa ngamanzi emzimbeni. Ububanzi obuqhelekileyo bobushushu buquka:

• Izinto zokuthunga zentsimbi: 200–300°C kwiintsimbi eziqinileyo, 300–450°C kwiintsimbi eziqinileyo

• Iialloy zeTitanium: 500–700°C

• Iialloy zeNickel: 400–650°C

Ukufudumala okukhawulezileyo kuyathintelwa ukuthintela uxinzelelo lobushushu okanye ukugoba.

4. Ixesha lokuntywila

I-forging ibanjwa kubushushu obujoliswe kubo ukuvumela i-hydrogen ukuba isasazeke. Ixesha lokuntywila lixhomekeke koku kulandelayo:

• Uhlobo lwezinto kunye nobunzima bazo

• Ubukhulu bodonga kunye nejometri

• Inqanaba lokuvezwa yi-hydrogen

Ixesha eliqhelekileyo lokuntywila:
Iiyure ezi-2 ukuya kwezingama-24.
Umgaqo oqhelekileyo: iyure e-1 nge-intshi nganye yobukhulu, okanye ngokwesiqhelo.

5. Ukupholisa

Ukupholisa kwenziwa kancinci kwi-oven okanye emoyeni ukuze kuthintelwe ukutshayiswa bubushushu. Kwizicelo ezibalulekileyo, kungasetyenziswa ukupholisa igesi engangeniyo.

i-sakysteelisebenzisa ii-oven ezicwangcisiweyo ngobushushu, ezinokucwangciswa ngokulawula okuchanekileyo kunye nexesha lokuntywila ukuqinisekisa iziphumo ezifanayo zokutsalwa kwe-dehydrogen.

Izixhobo ezisetyenzisiweyo

• Iifurnithi zebhetshi ezisebenzisa umbane okanye igesi

• I-atmosphere elawulwayo okanye ii-vacuum furnaces (ze-titanium/nickel alloys)

• Ii-thermocouples kunye nabalawuli bobushushu

• Izinzwa zokufumanisa i-hydrogen (ukhetho)

Iinkqubo ezizenzekelayo ezinolulo lobushushu ziqinisekisa ukulandeleka kwenkqubo.

Iiparameter zeNkqubo: Umzekelo weeForgings zeNsimbi