Uyenza njani i-Dehydrogen Annealing Forgings: IsiKhokelo esipheleleyo

I-Hydrogen embrittlement yinkxalabo ebaluleke kakhulu kwimveliso kunye nasemva kokunyangwa kwe-forgings, ngakumbi ezo zenziwe ngeentsimbi eziphezulu, i-stainless steels, kunye ne-titanium alloys. Ubukho be-athomu ye-hydrogen ebanjwe kwisakhiwo sesinyithi kunokukhokelela ekuqhekekeni, ukunciphisa i-ductility, kunye nokungaphumeleli okungalindelekanga. Ukuphelisa lo mngcipheko,i-dehydrogen annealing-ekwaziwa ngokuba yi-hydrogen relief annealing-yinkqubo ephambili yonyango lobushushu esetyenziselwa ukususa i-hydrogen efunliweyo kwi-forgings.

Eli nqaku le-SEO elibanzi lichaza inkqubo ye-dehydrogen annealing ye-forging, ukubaluleka kwayo, iinkqubo eziqhelekileyo, iiparamitha, izinto ezisebenzayo, kunye nezona ndlela zilungileyo zoshishino. Nokuba uyinjineli yonyango lobushushu, umthengi wezinto ezisetyenziswayo, okanye umhloli womgangatho, esi sikhokelo siya kukunceda uqonde ukuba ungayenza njani na i-dehydrogen annealing ngokufanelekileyo kuseto lwemizi-mveliso.

Yintoni i-Dehydrogen Annealing?

I-Dehydrogen annealing yiinkqubo yonyango lobushushuyenziwe ukususaihydrogen enyityilisiweyoukusuka kumacandelo enziweyo. I-Hydrogen inokungeniswa ngexesha:

• Ukuvunwa (ukucoca iasidi)

• Electroplating

• Ukuwelda

• Ukuvelisa kwindawo efumileyo okanye ene-hydrogen etyebileyo

Ukuba ayisuswanga, iiathom zehydrogen zinokubangelaukuqhekeka okwenziwe nge-hydrogen(HIC), ukulibaziseka ukuqhekeka, okanyeukulahlekelwa yimfezeko yomatshini.

Inkqubo ye-annealing ibandakanya ukufudumeza i-forging kwiqondo lokushisa elilawulwayo-ngaphantsi kwe-recrystallization point-kwaye uyibambe ixesha elithile ukuvumela i-hydrogen ukuba isasazeke kwi-lattice yensimbi.

Kutheni i-Dehydrogen Annealing ibalulekile?

Inkqubo ibalulekile ngenxa yezizathu ezininzi:

• Ikhusela ukusilela kwe-hydrogen embrittlement

• Ibuyisela iipropati zoomatshini ezifana ne-ductility kunye nokuqina

• Ukuphucula ukuthembeka kunye nokhuseleko kwinkonzo

• Ibalulekile ekuhlangabezeni i-aerospace, iimoto, kunye nemigangatho yomgangatho wenyukliya

Amacandelo anamandla aphezulu afana neebholiti, iigiya, i-shafts, kunye ne-structural parts, i-dehydrogen annealing iqinisekisa ukusebenza kwexesha elide kwaye inciphisa umngcipheko wokungaphumeleli okungalindelekanga.

sakysteelibonelela ngeenkonzo zokufunxa idehydrogen kumashishini anepropathi engqongqo yoomatshini kunye neemfuno zokhuseleko.

Izinto eziFuna i-Dehydrogen Annealing

I-Dehydrogen annealing idla ngokusetyenziswa kwezi zinto zilandelayo zomgunyathi:

• Iintsimbi zekhabhoni(ingakumbi ucinywe kwaye unomsindo)

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

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

• Iintsimbi ze-Austenitic ezingenasici(umz., 304, 316 – emva kokuchola okanye ukucolwa)

• I-Titanium kunye ne-titanium alloys

• I-alloys esekelwe kwi-nickel(kwiindawo ezivezwe ngehydrogen)

I-Forgings evezwe ukucocwa kwe-acidic, ukuphendula kwe-electrochemical, okanye i-hydrogen-containing atmospheres ngabaviwa abaphambili kolu nyango.

Inkqubo yokuNxulumanisa ngeDehydrogen kwiForgings

1. Ukucoca kwangaphambili

Phambi kokufakwa kwe-annealing, i-forging kufuneka icocwe kwi-oyile, ukungcola, okanye i-oxide layers ukuphepha ukungcoliseka ngexesha lonyango lobushushu.

2. Ilayisha kwi-Ournace

Amalungu alayishwa ngononophelo kwisithando somlilo esicocekileyo, esomileyo kunye nokujikeleza komoya okulungileyo okanye ukukhuselwa kwe-inert emoyeni ukuba kuyimfuneko.

3. Inqanaba lokufudumeza

Icandelo lifudumeza ngokuthe ngcembe kwiqondo lobushushu le-dehydrogenation. Amanqanaba obushushu aqhelekileyo aquka:

• Iintsimbi zentsimbi: 200-300 ° C kwiintsimbi ezisezantsi, i-300-450 ° C kwiintsimbi eziphezulu

• Iingxube ze-Titanium: 500–700°C

• Iialloyi zenickel: 400–650°C

Ukufudumeza okukhawulezayo kuyaphetshwa ukukhusela uxinzelelo lwe-thermal okanye ukulwa.

4. Ixesha lokuphumla

Ukubunjwa kubanjwa kwiqondo lobushushu ekujoliswe kulo ukuvumela i-hydrogen ukuba isasazeke ngaphandle. Ixesha lokuhamba lixhomekeke kwi:

• Uhlobo lwezinto eziphathekayo kunye nobunzima

• Ubunzima bodonga kunye nejometri

• Inqanaba lokuvezwa kweHydrojeni

Ixesha eliqhelekileyo lokufunxa:
2 ukuya 24 iiyure.
Umgaqo wobhontsi: iyure e-1 nge-intshi nganye yobukhulu, okanye ngokwenkqubo eqhelekileyo.

5. Ukupholisa

Ukupholisa kwenziwa ngokucothayo kwiziko okanye emoyeni ukunqanda ukothuka kwe-thermal. Kwizicelo ezibalulekileyo, ukupholisa igesi engasebenziyo kunokusetyenziswa.

sakysteelisebenzisa iqondo lobushushu elilungelelanisiweyo, iziko elicwangcisekileyo kunye nolawulo oluchanekileyo lwe-ramp-up kunye nexesha lokufunxa ukuqinisekisa iziphumo ezihambelanayo ze-dehydrogen annealing.

Izixhobo ezisetyenziswayo

• Iibhetshi zebhetshi zombane okanye igesi

• Iatmosphere elawulwayo okanye ifurnaces (ye-titanium/i-nickel alloys)

• Thermocouples kunye nezilawuli zobushushu

• Izinzwa zeHydrojeni (uyazikhethela)

Iinkqubo ezizenzekelayo ngokugawulwa kweqondo lobushushu ziqinisekisa ukulandeleka kwenkqubo.

IiParameters zeNkqubo: Umzekelo wokuQinisa iNsimbi