Otu esi emebe maka mmepụta nke akụkụ ntụ ntụ
Ezigbo enyi gị, ị nwere ike iji ihe ngosi ndị a na-emepụta ntụ ntụ iji nyere gị aka ịmepụta ihe na-eme ka ọ dịkwuo mmateknụzụ metallurgy ntụ ntụ. Nke a apụtaghị na ọ ga-abụ akwụkwọ ntuziaka zuru oke maka imepụta akụkụ ọla ntụ ntụ. Agbanyeghị, ịgbaso ntuziaka ndị a ga-eme ka nrụpụta nrụpụta dị mma ma na-ebelata ọnụ ahịa akụrụngwa.
Kpọtụrụ Jiehuangdị ka ụlọ ọrụ metallurgy ntụ ntụ ozugbo enwere ike ka anyị nwee ike inyere gị aka nweta ihe kachasị mma n'ime ntụ ntụ ntụ ntụ maka mmepụta P / M. Ị nwekwara ike iji tụnyere mmepụta nke ígwè ntụ ntụ na usoro mmepụta ihe ndị ọzọ dịnụ. Jiri ihe ọmụma anyị iji zute ma karịa ebumnuche nrụpụta gị. Iji malite, kpọtụrụ anyị ozugbo. Ọchịchọ anyị bụ imepụta ntụ ntụ, anyị nwere ike inye aka!
Ngwa igwe ntụ ntụ
Ihe ndị na-eme ntụ ntụ sitere na ígwè
Ihe metallurgy ntụ ntụ dabere na iron bụ ihe mejupụtara igwe, yana klaasị nke igwe na ihe nchara na-etolite site na ịgbakwụnye ihe ndị dị ka C, Cu, Ni, Mo, Cr, na Mn. Ngwaahịa sitere na ígwè bụ ụdị ihe kachasị arụpụta na ụlọ ọrụ nchara ntụ ntụ.
1. ntụ ntụ dabeere na ígwè
Ihe ndị a na-eji na-eme ntụ ntụ metallurgy ígwè ihe na ngwaahịa na-agụnyekarị ntụ ntụ dị ọcha, ntụ ntụ mejupụtara ígwè, ntụ ntụ ntụ ntụ ntụ, wdg.
2. PM ígwè dabeere na ngwaahịa
Teknụzụ ịpị / sintering nke ọdịnala nwere ike mepụta ngwaahịa ndị sitere na ígwè nwere njupụta nke 6.4 ~ 7.2g / cm3, nke a na-eji ụgbọ ala, ọgba tum tum, ngwa ụlọ, ngwa eletriki na ụlọ ọrụ ndị ọzọ, yana uru nke nnabata ujo, mbelata mkpọtụ, obere arọ na nchekwa ike.
3. Ngwunye ntụ ntụ ntụ (MIM) ngwaahịa ndị dabeere na ígwè
Ọkpụkpụ ntụ ntụ ígwè (MIM) na-eji ntụ ntụ ígwè dị ka akụrụngwa na-emepụta obere akụkụ igwe nwere ọdịdị dị mgbagwoju anya site na usoro ịkpụzi injection plastic. N'ihe gbasara ihe MIM, 70% nke ihe eji eme ugbu a bụ igwe anaghị agba nchara na 20% bụ ihe nchara dị ala. A na-eji teknụzụ MIM eme ihe n'ọtụtụ ebe na ekwentị mkpanaaka, kọmpụta na ụlọ ọrụ inyeaka, dị ka mkpachị SIM ekwentị, mgbanaka igwefoto, wdg.
Ntụ ntụ metallurgy cemented carbide
Cemented carbide bụ ntụ ntụ metallurgy ihe siri ike na mgbanwe otu refractory metal carbide ma ọ bụ carbonitride dị ka isi akụrụngwa. N'ihi ike ya dị mma, ike na ike ya, a na-ejikarị carbide cimented eme ihe dị ka ngwá ọrụ ịkpụ, ngwá ọrụ Ngwuputa, akụkụ na-eguzogide ọgwụ, hama elu, mpịakọta, wdg, ma na-ejikarị ígwè, ụgbọ ala, ikuku, CNC igwe ngwá ọrụ. , igwe ụlọ ọrụ Mould, mmiri injinia akụrụngwa, ụgbọ okporo ígwè na-ebufe ngwá, electronic ozi technology ụlọ ọrụ, na-ewu ígwè ọrụ na ndị ọzọ na ngwá n'ichepụta na nhazi na Ngwuputa, mmanụ na gas ihe onwunwe mmịpụta, akụrụngwa ewu na ndị ọzọ ọrụ.
Powder metallurgy ihe ndọta
Enwere ike kewaa ihe magnetik nke a na-akpụzi ntụ ntụ na ụzọ sintering ụzọ abụọ: ntụ ntụ metallurgy ihe ndọta na-adịgide adịgide na ihe ndọta dị nro. Na-adịgide adịgide magnet ihe tumadi gụnyere samarium cobalt obere ụwa na-adịgide adịgide magnet ihe, neodymium, ígwè, boron na-adịgide adịgide magnet ihe, sintered AlNiCo na-adịgide adịgide magnet ihe, ferrite na-adịgide adịgide magnet ihe, wdg Powder metallurgy soft magnetik ihe tumadi gụnyere soft ferrite na rọrọ magnetik mejupụtara ihe.
The uru nke ntụ ntụ metallurgy iji kwadebe magnetik ihe bụ na ọ nwere ike ịkwadebe magnetik irighiri na size nso nke otu ngalaba, nweta na-agbanwe agbanwe nghazi nke magnetik ntụ ntụ n'oge ịpị usoro, na ozugbo na-emepụta elu magnetik ike ngwaahịa ndọta nso na ikpeazụ udi, karịsịa. maka igwe siri ike na ihe magnetik siri ike na nke na-emebi emebi. N'ihe gbasara ihe, uru nke metallurgy ntụ ntụ bụ ihe a ma ama.
Powder metallurgy superalloys
Powder metallurgy superalloys dabeere na nickel na-agbakwunyere dị iche iche alloying ọcha dị ka Co, Cr, W, Mo, Al, Ti, Nb, Ta, wdg O nwere magburu onwe elu okpomọkụ ike, ike ọgwụgwụ na-ekpo ọkụ na-eguzogide na ndị ọzọ keukwu. Njirimara. Alloy bụ ihe nke isi ihe na-ekpo ọkụ na-ekpo ọkụ dị ka ogwe ikuku turbine, igwe diski turbine, na diski turbine. Nhazi tumadi gụnyere nkwadebe ntụ ntụ, ịkpụzi ọkụ ọkụ, na ọgwụgwọ okpomọkụ.
Ndị otu ọkachamara anyị ga-enye ndụmọdụ na ihe dabere na njirimara nke gịakụkụ ígwè ntụ ntụ. Nnukwu ngwa ngwa nke enwere ike iji gboo mkpa gị n'ihe gbasara ọnụahịa, ịdịte aka, njikwa mma na ngwa akọwapụtara bụ otu n'ime uru kachasị dị n'iji ígwè ntụ ntụ mee ihe. Ígwè, ígwè, tin, nickel, ọla kọpa, aluminum, na titanium so na ọla ndị a na-ejikarị eme ihe. Ọ ga-ekwe omume iji ọla ndị na-emegharị emegharị gụnyere bronze, brass, igwe anaghị agba nchara, na nickel-cobalt alloys, yana tungsten, molybdenum, na tantalum. Usoro ntụ ntụ na-agụnye ijikọta ọla dị iche iche iji mepụta alloys pụrụ iche nke ahaziri na ngwa gị chọrọ. Anyị nwere ike inyere gị aka n'ichepụta mmanye onwe onye, nguzogide corrosion na àgwà ndị ọzọ dị ka akụkụ dị mkpa nke usoro mmepụta na mgbakwunye na ike na àgwà siri ike. Anyị nwere ike pịa ihe owuwu dị mgbagwoju anya site na iji ngwakọta ọla ndị a pụrụ iche na ọnụego mmepụta ihe ruru 100 iberibe kwa nkeji.
Ụdị | Nkọwa | Ụdị nkịtị | Ngwa | Njupụta (g/cm³) |
---|---|---|---|---|
Ntụ ntụ dabere na ígwè | Ihe ndabere maka ngwaahịa ndị dabeere na ígwè. | Dị Ọcha, Ngwakọta Ngwakọta, Tupu Ekenyere Ya | Eji na isi ntụ ntụ metallurgy Filiks. | N/A |
Ngwaahịa sitere na igwe nke PM | Emepụtara site na iji ịpị/sintering a na-ahụkarị. | N/A | Ụgbọ ala, ọgba tum tum, ngwa ụlọ, ngwa eletriki. Na-enye nnabata ujo, mbelata mkpọtụ, ịdị arọ. | 6.4 ruo 7.2 |
Ngwaahịa sitere na igwe MIM | Obere akụkụ dị mgbagwoju anya emere site na ịkpụzi ntụ ntụ ntụ. | Igwe anaghị agba nchara, Steel Alloy dị ala | Ngwa eletrọnịkị ndị ahịa dị ka mkpachị SIM ekwentị mkpanaaka, mgbanaka igwefoto. | N/A |
Carbide cemented | Ihe siri ike nke eji egbutu, ihe ngwuputa ihe. | Tungsten Carbide | Ngwá ọrụ ịkpụ, ihe ndị na-egwuputa ihe, akụkụ ndị na-eguzogide iyi, wdg. | N/A |
Ihe magnetik | Ihe ndọta na-adịgide adịgide ma dị nro. | Samarium Cobalt, Neodymium, Ferrite | Eletrọnịkị, ngwa eletriki, moto, sensọ. | N/A |
Powder Metallurgy Superalloys | Alloys dabeere na nickel nwere ezigbo okpomọkụ dị elu. | Nickel, Co, Cr, W, Mo, Al, Ti | Ngwa igwe-engine dị ka ogwe turbine na diski. | N/A |
Na ịpị
A na-etinye ya na hydraulic vetikal ma ọ bụ igwe nrụnye ebe a na-edobe ya na ígwè ígwè ma ọ bụ carbide na-anwụ anwụ ozugbo agwakọta ntụ ntụ kwesịrị ekwesị. JIEHUANG nwere ike pịa akụrụngwa nwere nkọwa zuru oke ruru ọkwa anọ dị iche iche. Dabere na nha na njupụta chọrọ, usoro a na-eji nrụgide 15-600MPa mepụta akụkụ "acha akwụkwọ ndụ akwụkwọ ndụ" nke nwere njirimara geometric niile achọrọ nke nhazi ikpeazụ. Agbanyeghị, ọbụghị akụkụ ikpeazụ nke akụkụ ahụ ma ọ bụ njiri arụ ọrụ ya adịghị n'oge a. Usoro ọgwụgwọ okpomọkụ na-esote, ma ọ bụ "sintering," nzọụkwụ na-emecha atụmatụ ndị ahụ.
Metal sintering (usoro ntinye na ntụ ntụ)
A na-enyefe iberibe akwụkwọ ndụ akwụkwọ ndụ n'ime ọkụ na-ekpo ọkụ ruo mgbe ha ruru ike ikpeazụ dị mkpa, njupụta na nkwụsi ike nke akụkụ. Na usoro nke sintering, okpomọkụ n'okpuru ebe na-agbaze nke isi ntụ ntụ akụrụngwa nke akụkụ na-ekpo ọkụ na gburugburu ebe obibi na-echebe molecularly jikọọ metal ntụ ntụ particles nke mejupụtara akụkụ.
Nha na ike nke kọntaktị kọntaktị n'etiti irighiri abịakọrọ na-eto eto iji welie njirimara teknuzu nke akụrụngwa. Iji zute oke akụrụngwa ikpeazụ, singing nwere ike ịdalata, gbasaa, melite arụmọrụ, na/ma ọ bụ mee ka akụkụ ahụ sie ike dabere na nhazi usoro. N'ime ọkụ na-ekpo ọkụ, a na-etinye ihe ndị ahụ n'elu ihe na-ebuga na-aga n'ihu ma jiri nwayọọ nwayọọ na-ebufe ya n'ọnụ ụlọ nke ọkụ ahụ iji rụọ ọrụ atọ bụ isi.
Iji kpochapụ mmanu na-achọghị agbakwunyere na ntụ ntụ n'oge usoro nchịkọta, a na-ebu ụzọ kpoo iberibe ahụ nwayọọ nwayọọ. Akụkụ ndị na-esote na-aga n'ihu na mpaghara okpomọkụ dị elu nke ọkụ ọkụ, ebe a na-ekpebi àgwà ikpeazụ nke akụkụ ahụ na okpomọkụ a na-achịkwa nke ọma site na 1450 ° ruo 2400 °. Site n'iji nlezianya dozie ikuku dị n'ime ụlọ ọkụ a, a na-agbakwunye gas ụfọdụ iji belata oxides dị adị ma kwụsịkwuo oxidation nke akụkụ ahụ n'oge oke okpomọkụ a. Iji mezue iberibe ma ọ bụ kwadebere maka usoro ọ bụla ọzọ, ha na-agafe n'ime ụlọ jụrụ oyi. Dabere na ihe eji eme ihe na nha nke ihe mejupụtara ya, okirikiri ahụ dum nwere ike were nkeji 45 ruo awa 1.5.
Post-nhazi
N'ozuzu, ndịngwaahịa sinteringenwere ike iji ya mee ihe ozugbo. Otú ọ dị, maka ụfọdụ ngwaahịa metal sinter nke chọrọ oke nkenke na ike siri ike ma na-eyi nguzogide, a chọrọ ọgwụgwọ post-sintering. Nhazi na-aga n'ihu na-agụnye ịpị nkenke, ịtụgharị, extrusion, quenching, quenching surface, imi mmanụ, na ntinye.
Usoro ọgwụgwọ elu nke ntụ ntụ metallurgy
Ị nwere ike izute ngwaahịa metallurgy ntụ ntụ,ntụ ntụ metallurgy giana-adị mfe nchara, mfe ọkọ, wdg, iji melite eyi-eguzogide, nchara eguzogide, corrosion eguzogide na ike ọgwụgwụ nke ntụ ntụ metallurgy akụkụ. Jiehuang ga-ebu ọgwụgwọ elu na ntụ ntụ metallurgy akụkụ, nke bụ ime ka elu ya na-arụ ọrụ, na-emekwa ka elu ọzọ densified. Ya mere, ihe bụ ntụ ntụ metallurgy n'elu ọgwụgwọ Filiks?
Enwere usoro ọgwụgwọ elu ise a na-ahụkarị na metallurgy powder:
1.Mkpuchi:Ikpuchi oyi akwa nke ihe ndị ọzọ n'elu akụkụ nke metallurgy ntụ ntụ na-enweghị mmeghachi omume kemịkal ọ bụla;
2.Usoro nrụrụ igwe:N'elu akụkụ metallurgy ntụ ntụ nke a ga-edozi bụ nke a na-emezi n'ụzọ arụ ọrụ, tumadi ka ọ na-ebute nrụgide fọdụrụnụ nke mkpakọ na ịbawanye njupụta elu.
3.Ọgwụgwọ okpomọkụ kemịkalụ:ihe ndị ọzọ dị ka C na N na-agbasa n'elu akụkụ ndị a na-emeso;
4.Ọgwụgwọ okpomọkụ dị n'elu:mgbanwe nke oge na-eme site na mgbanwe mgbanwe okpomọkụ nke cyclic, nke na-agbanwe microstructure nke elu nke akụkụ a na-emeso ya;
5.Ọgwụgwọ kemịkalụ elu:mmeghachi omume kemịkalụ n'etiti elu nke ntụ ntụ metallurgy akụkụ a ga-emeso na mpụga reactant;