Alloy 400 akụkụ na-ebunye nguzogide corrosion na-enweghị atụ na kemịkalụ ike, mmiri na gburugburu ụlọ ọrụ chloride dị elu-karịsịa ebe igwe anaghị agba nchara daa. Na QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Anyị ejirila ihe karịrị 12,000 Alloy 400 components kemgbe 2018 maka ozu valvụ hydraulic, ụlọ mgbapụta mmiri dịpụrụ adịpụ, na gas compressor internals. Akụkụ nke ọ bụla na-amalite site na ASTM B164 gbaara agbazinye billet, na-enweta mgbakasị mgbakasị ahụ tupu CNC tụgharịa, wee mechaa na Ra ≤0.8 μm n'ịdị n'ezi ihe - enweghị ihe ọ bụla.
Kedu ihe kpatara Alloy 400 Parts ji eme ka ndị ọzọ dị na ezigbo ọrụ ụwa
Ndị ahịa na-ajụ, sị: "Gịnị kpatara na-ejighị naanị igwe anaghị agba nchara 316 ma ọ bụ duplex?" Azịza ya dabeere na omume electrochemical-ọ bụghị broshuọ ahịa. Alloy 400 (Ni-Cu, ~ 67% Ni / 30% Cu) na-egbochi ibelata acid dị ka hydrofluoric na sulfuric ebe ngafe na-ada. Anyị ahụla 316 valves mebiri site na ọnwa 9 n'ime eriri nnyefe phosphoric acid; ihe nnọchi Alloy 400 piston mkpanaka were 4.7 afọ. Mgbochi ya na olulu mmiri nke oke osimiri na mgbawa nrụgide-corrosion abụghị ihe atụ - a na-enyocha ya na ụlọ nyocha ISO 17025 enwetara ikike site na iji ule imiri mmiri ASTM G36 yana ASTM F1113 nyocha ngwa ngwa ngwa ngwa.
Mana Alloy 400 abụghị nkwụnye na-egwu. Ọnụego ya na-arụsi ọrụ ike dị ala na-achọ ngwa ọrụ pụrụ iche: ntinye carbide nwere ihu rake a na-egbu maramara, ogbugbu na-emighị emi (≤0.3 mm), na mmiri jụrụ oyi na nrụgide mmanya 65. One client tried machining it on a legacy lathe with HSS tooling—resulted in 42% scrap rate and chatter marks exceeding GD&T position tolerance of ±0.025 mm. Ugbu a, anyị na-agụnye nyocha igwe n'efu na RFQ ọ bụla, na-egosipụta okwu ndị nwere ike dị ka mgbagha mgbidi dị mkpa ma ọ bụ mgbasawanye okpomọkụ n'oge ọgwụgwọ okpomọkụ.
Ebe nhazi nkenke na-ezute corrosion-Critical Geometry
Ọtụtụ ọdịda na-esiteghị na nhọrọ ihe - kama ọ bụ n'igbu geometry. Elu mkpuchi na-ezighi ezi na ahụ Alloy 400 mgbali valvụ nwere ike mee ka corrosion crevice dịkwuo elu site na 300%. Ọ bụ ya mere usoro anyị ji agbakwunye metrology na ọkwa atọ: tupu arụ ọrụ CMM nkwenye nke raw ngwaahịa flatness, n'ime usoro nlele anya nke eriri ụzọ ziri ezi (dị oke mkpa maka API 6A ọnụ ụzọ valvụ valvụ), na ngwụcha elu elu nkwado site na interferometry na-acha ọcha.
Anyị na-emepụta akụkụ nke ndị na-ebubata ọkọlọtọ na-agbada: 120-mm-diameter Alloy 400 cylinder liners na 0.01 mm mgbidi dị iche iche n'ogologo 450 mm; ụlọ mgbapụta na-abụghị gburugburu na-achọ ± 0.008 mm cylindricity; na nozzles tapered nwere 0.005 mm concentricity n'etiti ụzọ mbata na ọpụpụ. Ndị a abụghị nnabata - anyị na-akwado ha. Mbupu ọ bụla na-agụnye akụkọ zuru oke nke a na-enweta na ụkpụrụ NIST, gbakwunyere akụkọ nyocha igwe ihe kpọmkwem na-egosi ọdịnaya Cu/Ni/Fe/C n'ezie - ọ bụghị naanị "dabara na nkọwapụta."
Site na nkedo ruo n'isi: Gịnị kpatara njikọta kwụ ọtọ ji dị mkpa
Ụfọdụ ndị na-ere ahịa na-ewepụta ihe nkedo Alloy 400 wee rụpụta ya. Anyị anaghị. Gịnị kpatara? N'ihi na nkewa dendritic dị na ihe nkedo Alloy 400 na-emepụta mpaghara Cu-ọgaranya mpaghara nwere ike ibute mbuso agha. Usoro nkedo nke ájá anyị na-eji ọnụ ọgụgụ siri ike na-achịkwa na nkedo nkedo na 1150 ° C maka awa 4 - nke nyocha microprobe kwadoro. Nke a na-ewepụ banding, na-eme ka nkesa otu 67.2± 0.3% Ni, ma na-ebuga ike siri ike (130-160 HBW) n'ofe mpaghara niile.
Njikwa a na-agbatị ruo imecha. Electropolishing na-arụ ọrụ nke ọma na Alloy 400 n'ihi microstructure nke akụkụ abụọ ya. Kama, anyị na-etinye a proprietary citric-nitric passivation ngwakọta sochiri ultrasonic ihicha na deionized mmiri-validated kwa ASTM A967 Method D. Ndị ahịa na-akọ 2.3 × ogologo ndụ ọrụ ndụ na chloride-bujuru oyi loops tụnyere mechanically polished uzo ozo.
Ịhọrọ ezigbo Alloy 400 Partner-Gafere akwụkwọ data
Chọọ akara atọ: Nke mbụ, ihe akaebe nke nyocha ọdịda ụwa n'ezie - ọ bụghị naanị nkwupụta nnabata. Anyị na-edobe ndekọ ọhaneze nke nyocha ihe kpatara ya (anaghị akpọ aha) na-ekpuchi embrittlement hydrogen na ọrụ H₂S yana njikọ galvanic na flanges ígwè carbon. Nke abụọ, njikwa usoro edekọtara: Ha na-akọwapụta oge ịrapara n'ahụ? Ọnụọgụ dara jụụ? Nyocha nha ọka kwa ASTM E112? Nke atọ, nnabata na oku GD&T — ọkachasị profaịlụ, ọsọ ọsọ, na ọnọdụ agwakọtara. Ọ bụrụ na eserese gị na-akọwapụta ihe ndozi MMC ma ọ bụ simulator atụmatụ datum, otu ha na-ekwu okwu ga-asụrịrị asụsụ ahụ nke ọma.
Ụlọ ọrụ QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. na-arụ ọrụ otu a n'ihi na akụkụ ndị na-eguzogide corrosion abụghị ngwaahịa. Ha bụ ndị na-akwado sistemụ. Otu ọdịda akụkụ Alloy 400 dị na modul njikwa subsea nwere ike ịkpalite $2.4M na ọnụ ala oge. Ọ bụ ya mere anyị ji emeso usoro ọ bụla - site na prototype ruo mmepụta - dị ka ozi dị mkpa. Anyị na-ebuga akụkụ Alloy 400 gaa na North America, Europe, na Ndịda Ọwụwa Anyanwụ Eshia nwere nchọta ihe zuru oke, asambodo akụkụ, na nkwado injinia arụnyere n'ime nhota ahụ-anaghị etinye ya dị ka nkwunye.
Maka ngwa na-achọ mmekwata efu na nguzogide corrosion, nguzosi ike n'akụkụ, yana nkwụsi ike nke igwe - Akụkụ 400 Alloy sitere na QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. emebere ya ka ọ rụọ ọrụ, kwadoro iji gosipụta ya, ma nyefee ya ka sistemụ na-aga n'ihu.
