Mmetụta nke titanium ntụ ntụ injection ịkpụzi sintering usoro na arụmọrụ

Igwe ntụ ntụ sinteredporousA na-eji ígwè ma ọ bụ ntụ ntụ mee ihe dị ka ihe eji eme ihe ma na-emepụta ya ma na-agbanye ya na okpomọkụ dị elu. Ha bụ ihe porous nwere usoro siri ike.

Usoro mmepụta: nyocha - isostatic pressing - vacuum high okpomọkụ sintering

Atụmatụ nhazi: Ihe ahụ nwere ọnụ ọgụgụ buru ibu nke njikọ ma ọ bụ nke nwere ọkara. A na-emepụta ihe owuwu pore site n'ịkọba ụmụ irighiri ihe ntụ ntụ mgbe niile na nke na-adịghị mma. The size na nkesa nke pores na size nke porosity nwere ike gbanwee dị ka ntụ ntụ urughuru size Nchikota na nkwadebe usoro. Zute ezigbo ndị ahịa mkpa.

Uru ngwaahịa: ezigbo permeability, njikwa pore size na pores, ọdịdị kwụsiri ike, ịdị mma filtration dị elu, nkwụsi ike na-eyi, ihe eji arụ ọrụ dị mma, ezigbo ọkụ ọkụ, nkwụsị ọkụ, na ikpo ọkụ ọkụ, a pụkwara ịsacha azụ ma jiri ya mee ihe ọtụtụ ugboro.

Njirimara na-arụ ọrụ nke ihe ndị nwere porous titanium sintered:

1. 1) Dayameta pore Uniform, pores kwụsiri ike, yana arụmọrụ nkewa dị elu.

1. 2) Akwa porosity, obere nguzogide filtration na arụmọrụ ntinye dị elu.

1. 3) Ezigbo nkwụsi ike nke kemịkalụ, acid na alkali corrosion resistance, na ihe mgbochi oxidation.

1. 4) Ọdịdị morphological kwụsiri ike, ọ dịghị ihe na-adaba, ma na-emezu ihe achọrọ nke ịdị ọcha nri na GMP ọgwụ.

1. 5) Ezigbo ihe eji arụ ọrụ, ọdịiche nrụgide dị ala na ọnụ ọgụgụ buru ibu.

1. 6) Ọ nwere ike antimicrobial ike na-adịghị emekọrịta ihe na microorganisms.

1. 7) Enwere ike ịmegharị ya na ntanetị, dị mfe ihicha ma nwee ogologo ndụ ọrụ.

1. 8) Biocompatibility magburu onwe ya, enwere ike iji ya mee ihe na ndu, nri, ọgwụ na ụlọ ọrụ ọgwụ.

1. 9) Ọmarịcha ọrụ mkpuchi ikuku electromagnetic.

1. 10) Ezi damping àgwà na mmetụta iguzogide.

Sintering bụ otu n'ime usoro kachasị mkpa n'imeUsoro MIM. Ọ bụghị nanị na ọ na-ewepụ ihe nkedo fọdụrụnụ kamakwa ọ na-ewepụ pores n'etiti ihe ndị dị na ntụ ntụ, na-eme ka ndị ahụNgwaahịa MIMjuputara n'uju ma ọ bụ ọ fọrọ nke nta ka ọ bụrụ njupụta zuru oke. Nkenkwụsị nke titaniumalloy chọrọ okpomọkụ dị elu. Gburugburu ebe obibi, usoro ihe nkedo kwesịrị ka e chebe ya na argon gas dị ka o kwere mee. The sintering oge na nke a ule ka atọrọ ka okpomọkụ na-adịgide adịgide maka 120 nkeji, na kacha okpomọkụ bụ 1220 ℃, 1240 ℃, 1250 ℃, 1270 ℃ na 1290 ℃ n'otu n'otu maka TC4 adọta akụkụ na gburugburu akụkụ. A na-agbaji akụkụ nke ọdịdị ahụ.

Sintering usoro nke TC4 tensile akụkụ

Sintering usoro nke okirikiri akụkụ

Site na usoro nhazi nke akụkụ okirikiri, enwere ike ịhụ na mgbe TC4 na-adịru maka nkeji 120, enwere ike nweta densification dị elu na 1250 ° C, na njupụta na-ebelata ntakịrị ka okpomọkụ na-abawanye. Nke a bụ n'ihi na uto ọka na-apụta na oke okpomọkụ. Oghere dị n'etiti oke ọka na-ebuwanye ibu, nke na-ebutekwa ike mkpụrụ nke akụkụ tensile ọkọlọtọ dị ala karịa 1250 ° C mgbe oke okpomọkụ gasịrị.

Eserese metallographic TC4 na 1250 ℃

Sintered TC4 gburugburu akụkụ

Iji ghọta mmekọrịta dị n'etiti okpomọkụ dị iche iche na oge njide na TC4 sintering densification, anyị họọrọ 1240 ° C, 1250 ° C na 1270 ° C iji duzie nnwale dị ka egosiri n'okpuru. Ikuku ikuku na-ekpo ọkụ bụ gburugburu argon gas.

The sintering ikuku bụ argon

Nhazi na nyocha data

Dị ka data njupụta nke ihe nlele mgbe emechara, ọ naghị esiri ike ịhụ na njupụta nke enwetara site na ijide okpomọkụ na 1250 ° C maka 120-180 nkeji dị elu karịa nke usoro ndị ọzọ nwetara. Dabere na mmekọrịta dị n'etiti usoro nkwụsị nke akụkụ TC4 na-adọta na akụkụ nke TC4 gburugburu, anyị na-ekwubi na njupụta dị elu karịa nke a nwetara site na usoro ndị ọzọ. The densification na ike mkpụrụ na-agbanwe agbanwe, otú densification na n'ibu Njirimara nwetara site na-ejide okpomọkụ na 1250 ° C maka 120min ~ 180min bụ ndị kasị elu; nke a bụ n'ihi na oke okpomọkụ dị oke elu na oge njide dị mkpụmkpụ adịghị eme ka usoro nhazi nke titanium alloy dịkwuo mma. kristal alloy Titanium na-agbapụta nke ọma. N'otu aka ahụ, obere okpomọkụ na ogologo oge na-echekwa okpomọkụ ga-eme ka ikuku ntụ ntụ na-anya ụgbọ ala na-aga n'ihu na-eri ya n'ihi nkwụsịtụ nwayọọ nwayọọ nke oke ọka. N'oge usoro mmegharị na mgbasa ozi nke oke ọka, enweghị ike nweta ezigbo ndakọrịta na mwepu nke lattice kristal. N'ụzọ dị otú a, a ka nwere oghere ụfọdụ n'ime nke a na-apụghị ikpochapụ, na-eme ka ọ ghara ikwe omume ịnweta densification ka mma.

na ngwụcha

Usoro mmepụta ihe nke MIM titanium alloy dị mgbagwoju anya, na e nwere ọtụtụ ihe na-emetụta njedebe ikpeazụ na ihe nrụpụta nke ngwaahịa ahụ. N'okpuru ọnọdụ nnwale ndị a, mgbe nlebachara anya nke ukwuu nke njupụta ngwaahịa na ihe eji arụ ọrụ, anyị ji ọkụ ọkụ ọkụ HP dị elu na-aga n'ihu na 1250 Celsius C maka nkeji 120. Nke a na-enye TC4 ohere inwe njupụta dị elu ma nweta ike mkpụrụ kachasị elu, na-emeghe ụzọ maka mmepụta nke MIM-TC4.