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Quench Cool Nkedo Of Copper Propellers

2019-12-14

Quench Cool Nkedo Of Copper Propellers


N'oge gara aga, nickel-aluminom-ọla kọpa na-eme ka mmiri ghara ịba mmiri bụ usoro nkedo nke a na-awụpụta ihe ọla kọpa a wụrụ awụ na akwa aja, na-eme ka nkedo ahụ dị jụụ na ọnọdụ nkịtị tupu ewepụ ya na ebu ahụ.

Ndị na-akwọ ụgbọ mmiri na china
Quench Cool Nkedo Of Copper Propellers

N'ihi obere ọkụ nke ikuku na-akpụzi, ndị na-ebu ibu buru ibu dị ọtụtụ iri nwere ike mma ruo ọtụtụ ụbọchị. The jụrụ ọnụego nke machining oge ọgbụgba bụ ngwa ngwa, na n'ibu Njirimara na corrosion ike ọgwụgwụ nke mejupụtara àgwà mmetụta na-budata belata. 

The n'ibu Njirimara na corrosion ike ọgwụgwụ nke pụrụ iche àgwà mmetụta na-budata belata. Karịsịa gburugburu 0.2 ~ 0.3R nke airfoil na kasị na-arụ ọrụ nrụgide, ọkpụrụkpụ nke airfoil (ma e wezụga hub) bụ thicker karịa akụkụ ndị ọzọ, otú corrosion ike ọgwụgwụ ike na-ugboro ugboro 2x107, 18kgf / mm2, na dayameta nke ihe karịrị ndị ọzọ. 6000mm dị tọn iri abụọ. Maka nnukwu ọnụ ọgụgụ ụgbọ mmiri ihe nkedo, ike ọgwụgwụ nke corrosion na mgbọrọgwụ nke nku na-adaba na 2x107; 10 ~ 20 kgf / mm2. Ihe kpatara ya bụ na nkedo nkedo dị n'etiti ihe dịka 1000 Celsius C na 700 Celsius C. Maka nnukwu ndị na-emepụta ihe, ọnụ ọgụgụ dị jụụ bụ ihe dịka 0.1 Celsius C / min. 

Ya mere, ogige ọla nke Al, Ni, na Fe (dị ka FeAl, NiAl, wdg) nke na-achịkwa ihe eji arụ ọrụ nke nickel-aluminium bronze alloys nwere agglomeration Na mgbakwunye, ihe nkedo nickel-aluminom bronze na-enwe mmetụta maka absorption hydrogen n'oge okpomọkụ. usoro ịgbaze, na nnukwu ihe nkedo na-adị nwayọọ nwayọọ na-emepụta ntụpọ hydrogen.

Dabere na, usoro ọgbụgba ọhụụ a bụ:

  • 1. Banyere pasent dị arọ nke mmiri ọgwụ na ihe: aluminom 8.5 ~ 10.5%, nickel 4 ~ 6%, iron 4 ~ 6%, manganese 4% ma ọ bụ obere, ọla kọpa na adịghị ọcha.
  • 2. N'oge nkedo, mgbe ị wụsịrị alloy alloy a wụrụ awụ n'ime ebu nke nwere ike ijikwa ọnụego dị jụụ, a na-achịkwa ọnụego obi jụrụ n'etiti 1000 ~ 700 ℃, 5 ℃ / min; n'okpuru 700 ℃, 1 ℃ / min.

Usoro nkedo a dị iche na nke aja aja na ikuku jụrụ oyi na obere okpomọkụ conductivity n'oge gara aga. Kama nke ahụ, ọ na-eji irighiri igwe nwere ihe na-ekpo ọkụ ọkụ ugboro 20 ruo 30 dị elu karịa nke ájá, na-etinyekwa mmiri na-ajụ oyi. Na mgbakwunye, tupu ịwụsa, a na-awụsa ihe na-eme ka mmiri dị jụụ n'ime ihe ahụ wee mee ka ọ dị jụụ ma mee ka ọ dị jụụ. 

Ọnụọgụgụ jụrụ oyi dị elu nke ukwuu karịa nke usoro nkedo a na-emekarị, nke na-egbochi ike ọgwụgwụ nke corrosion na ihe ndị na-arụ ọrụ nke mejupụtara mmetụta dị mma.

Usoro nkedo a na-akọwa na ọnụ ọgụgụ jụrụ oyi n'etiti 1000 na 700 Celsius C bụ 5 Celsius C / min ma ọ bụ karịa, n'ihi na ọnụ ọgụgụ jụrụ oyi enweghị njikọ na mmiri ozuzo na uto nke mmiri ozuzo n'elu 1000 Celsius C, na ihe na-agbapụta (FeAl, NiAl). n'etiti 1000 na 700 Celsius C) wdg) 

Mmiri ozuzo na okpomọkụ okpomọkụ; N'okpuru 700 Celsius C, ọka kristal ọ fọrọ nke nta ka ọ ghara itolite, na ọnụego jụrụ oyi na-ebute n'okpuru ọnọdụ okpomọkụ a ga-enwerịrị oke uru iji too n'ogo kwesịrị ekwesị. A naghị akọwapụta oke elu nke ọnụego jụrụ oyi n'ihi na ọdịdị nke nkedo dị iche iche, ọ dịkwa mma na 5 Celsius C / min ma ọ bụ karịa zuru ezu iji chịkwaa uto nke mmiri ozuzo. A na-akọwapụta ọnụego jụrụ oyi n'okpuru 700 Celsius ka ọ dị n'okpuru 1 Celsius C / min, iji gbanwee usoro β nke a na-eme ngwa ngwa n'elu 1000 ° C ruo 5 ° C / min n'etiti 1000 ° C na 700 ° C n'ime α. oge, iji hụ na ihe siri ike nke ihe ahụ siri ike, na ikwe ka ihe ndị na-emepụta ihe na-agbasa nke ọma iji nweta ihe jikọrọ ihe n'ime. 

Enweghị oke dị ala maka ọnụego jụrụ oyi n'okpuru 700 Celsius C. Dị ka o kwesịrị ịdị, ọnụ ọgụgụ jụrụ oyi na-adịgasị iche na ọdịdị nke nkedo. Ọ bụrụ na ọnụego jụrụ oyi dị n'okpuru 1 Celsius C / min, mgbanwe α-phase nwere ike zuo oke ma enwere ike nweta ike ike ọgwụgwụ corrosion dị elu. Site na usoro nkedo a, nkedo adịghị mkpa ka a gwọọ ya ọzọ na okpomọkụ dị elu, na-ezere nsogbu nke oxidation na nrụrụ nke ọgwụgwọ okpomọkụ na-akpata, na-echekwa ike.

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