Ịmepụta ntụ ntụ ọla dị elu bụ nzọụkwụ mbụ dị oke egwu na ụlọ ọrụ mmepụta ihe ọ bụla - na njikọ adịghị ike n'ime agbụ ahụ nwere ike imebi usoro ọ bụla nke ala. Na QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., anyị na-esichara n'elu 12,000 n'arọ nke cobalt-nickel na igwe anaghị agba nchara powders maka hydraulic valvụ ozu, mgbapụta housings, na AMS 5387-compliant nozzles kemgbe 2021. Ihe anyị mụtara na-adịghị na-ekesa n'oge nke 7% sin't. ọdịda na T800 alloy akụkụ; Ọdịnaya mmiri dị n'elu 0.08% kpalitere olulu elu n'oge ịpị isostatic dị ọkụ; na ogbe ndị na-ebubata ihe ekwenyeghi ekwenye gbuo oge nyocha ndị ahịa atọ. Imepụta ntụ ntụ n'ezie na-achọ ihe karịrị akụrụngwa-ọ na-achọ ịdọ aka ná ntị metallurgical, protocol enwere ike ikwugharị, yana enweghị nnabata maka mgbanwe.
Atomization: Ebe Chemistry na-ezute Kinematics
Atọmịka gas ka bụ usoro anyị ga-aga maka alloys dabere na cobalt dị ka T800 na AMS 5387-karịsịa mgbe nkwụsi ike nke akụkụ n'okpuru ibu hydraulic 200 MPa enweghị nkwekọrịta. Anyị na-eji nitrogen na 7.2 MPa mgbali na 45 ° gbazee-iyi impingement akụkụ iji nweta D50 = 28-32 μm nwere <5% buru ibu (>106 μm) akụkụ. Atọmịka mmiri na-arụ ọrụ maka ntụ ntụ nchara nchara (dịka, SS316L maka ntọala mgbapụta), mana ọ bụ naanị mgbe ọ gbasasịrị atomization nke ọma na 950 Celsius C na hydrogen iji belata ọdịnaya oxygen n'okpuru 0.15 wt%. N'ụzọ dị oke mkpa, anyị anaghị awụpụ ule mgbasa ozi ultrasonic tupu sieving: ọ bụrụ na akụkụ ahụ re-agglomerate n'ime 90 sekọnd na mmanya isopropyl, anyị na-ajụ nza-ọbụlagodi ma ọ bụrụ na nyocha sieve gafere. Nke ahụ bụ n'ihi na agglomerates na-agbaji na-atụghị anya ya n'oge nchịkọta, na-emepụta gradients njupụta nke na-amalite micro-cracks n'oge sintering.
Usoro Rotary Electrode: Maka mgbe ị na-enweghị ike ịkwụ ụgwọ oxides
Maka cobalt-nickel nozzles na-arụ ọrụ n'elu 650C na mmanụ na gas downhole ngwaọrụ, oxide inclusions bụ ọdachi. N'ebe a, nhazi electrode rotary (REP) na-enye ihe gas atomization enweghị ike: oxygen nso-efu<0.02 wt%), morphology spherical, na njikwa nha siri ike (D10-D90 ogologo <1.8). Anyị na-atụgharị AMS 5387 electrodes na 12,500 rpm n'ime ụlọ ndị na-ekpo ọkụ na-ejide na 1 × 10-2 mba. Ihe na-esi na ntụ ntụ na-asọba na 22 s / 50g (Ụlọ Flowmeter), ngwugwu na 62% njupụta pụtara ìhè, na sinters na> 99.2% njupụta usoro ihe ọmụma na-enweghị HIP. Mana REP abụghị ihe zuru ụwa ọnụ - anyị na-ezere ya maka nkedo ígwè chọrọ saịtị nucleation graphite. Kama, anyị na-eji mmiri-atomized Fe-2.5C ntụ ntụ na-achịkwa carbon segregation, wee tinye 0.8% flake graphite n'oge agwakọta iji hụ na edo graphite nodules mgbe sinter-anneal.
Ọnụ ụzọ dị mma: Enweghị akwụkwọ ntụ ntụ na-agafeghị anọ
Anyị na-amanye ebe nlele anọ na-enweghị mkparịta ụka tupu ogbe ntụ ọ bụla akwaga na ịgwakọta:
- Nyocha kemịkalụ: ICP-OES megidere akwụkwọ ntinye akwụkwọ (CRM NIST SRM 1262a maka Co, CRM NIST SRM 3125a maka Ni); Ngbanwe> 0.15% na-akpalite nyocha zuru ezu
- Ogo urughuru & udi: Laser diffraction (Malvern Mastersizer 3000) + SEM imaging; akụkụ akụkụ> 1.8 ma ọ bụ okirikiri <0.7 anaghị eru eru
- Ọsọ & njupụta: Ụlọ Flowmeter + Scott Volumeter; Ọnụego eruba ga-abụrịrị 18–24 s/50g, njupụta buru ibu 2.8–3.1 g/cm³
- Nyochaa mmetọ: Ferrography maka ferrous yi irighiri ihe; Nyochaa XRF maka akara Cr, Mo, ma ọ bụ Ti sitere na ọsọ gara aga
Anyị na-edebanye nsonaazụ ọ bụla na sistemu MES nke ISO 9001 gbaara agbapụta — yana nchọta ihe zuru oke na ọnụọgụ ọkụ ingot raw. Ọ bụrụ na ogbe daa ọbụna otu ọnụ ụzọ ámá, a na-agbaze ya-agaghị eweda ya ala.
Ihe mere “Ọdịmma” ji akọwa mgbanwe a na-achịkwa, ọ bụghị ọsọ
Ụfọdụ ụlọ ọrụ na-achụ tonnage kwa elekere. Anyị na-achụpụ ụkpụrụ ụkpụrụ. Na mmepụta ntụ ntụ anyị na-arụ ọrụ ụlọ ọrụ mmepụta ihe metallurgy, arụmọrụ pụtara ijide D50 mgbanwe na ± 0.9 μm gafee ogbe 10 na-esochi - anaghị egbutu oge atomization site na 12%. Gịnị kpatara? N'ihi na piston mgbapụta cylinder ụlọ arụnyere na ntụ ntụ na ± 3.2 μm D50 Mgbanwe gosipụtara 22% ọnụego ntapu dị elu na nnwale nrụgide na mmanya 350. Anyị na-etinye ego na nleba anya okpomọkụ plasma nke ọma, njikwa nrụgide gas mechiri emechi, yana akpaghị aka sieve shaker calibration kwa awa 4 ọ bụla. ROI abụghị mmepụta ngwa ngwa-ọ na-ewepụ ịrụ ọrụ na $ 4,200 cobalt alloy valve oche.
Ụlọ ọrụ QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. na-emeso ntụ ntụ ọ bụghị dị ka akụrụngwa kama dị ka DNA ntọala nke akụkụ ọ bụla. Mmepụta ntụ ntụ anyị na-arụ ọrụ na-arụ ọrụ nchara nchara na-amalite site na nkwado kemịkalụ alloy, na-aga n'ihu site na atomization kachasị mma nke kinematically, wee kwụsị naanị mgbe ọnụ ụzọ ámá anọ nwere onwe ha na-akwado ugboro ugboro-ọ bụghị naanị otu ugboro, mana gafee kilogram ọ bụla na nza. Nke ahụ bụ ka valves nrụgide na-adị ndụ ọrụ awa 15,000 na nfuli ụgbọ mmiri. Nke ahụ bụ ka winch center shaft rollers na-ejigide ọsọ ọsọ n'okpuru 8 μm ka okirikiri ọkụ 500 gachara. Ọdịnihu bụ nke ndị na-emepụta ntụ ntụ bụ ndị na-atụ ihe ịga nke ọma ọ bụghị na kilogram kwa mgbanwe - kama na microstructures kwa micrometer.
