Actoel 718 Selaralkoy | US N07718 | W.nr. 2.4668

1. Hōʻikeʻike

Actoel 718 he mea nui iʻikeʻia iʻikeʻia i ka mea kanu ikaika kiʻekiʻe ma nā wela kiʻekiʻe (a hiki i 650 ° C), Ke kū'ē neiʻo Corrosion Corrossion, and hana maikaʻi.

ʻO kona ikaika e hele mai ana mai kahi hui kūʻokoʻa o nā mea'ē aʻe nihibium, ʻO nā mea e hoʻopaʻa ai i nā mea paʻakikī e hoʻonui ai i ka hana mechanical me kaʻole o ka hoʻopiliʻana i ka uliaʻole.

Hoʻomohalaʻia ma ka 1960s e s els hui kūikawā, Actoel 718 Nā pōkole nui i hāʻawiʻia i nā mea nui ma mua o nā alloys, e like me ka maikaʻiʻole a me ka ikaika o ka ikaika kiʻekiʻe.

I kēia mau lā, ke pāʻani nei i kahi hana koʻikoʻi i loko AerERPPACE, mana pā'āʻu, a me aila aila & ʻO nāʻoihana kai, kahi i hoʻonohonohoʻia ai keʻano kūpono ma lalo o nā kūlana koʻikoʻi.

2. He aha ka pilikia 718?

Actoel 718 (US N07718; W.nr. 2.4668) he nickel-chromium-chromium-niobium superalloy nui loa e like me ka "Nā mea hana" Ma muli o kāna kaulike kūʻokoʻa o ka hana a me ka hoʻokō.

ʻAʻole like me nā mea nui kiʻekiʻe-ikaika, Hāʻawi ia ʻO ka ikaika kiʻekiʻe-kiʻekiʻe me ka noho ana ʻO ke kūleʻa maikaʻi a me ka mancinability, ʻO ka hana nuiʻana ma nā wahi hana paʻakikī.

Hōʻikeʻia konaʻano honua honua i nā kūlana o nā kūlana nui, komo Astm b637 (nā pahu a me nā lāʻau), Amp 5662 (ʻO Aerospace-VIRDRYRS), and ISO 9723 (ʻO ka Rod Europa a me nā helu kelepona), e hōʻoiaʻiʻo i nā kūlana kūlike a me ka hilinaʻi ma waena o nāʻoihana.

Kinohi

Loaʻa nā waiwai o Inconel 7188 mai konaʻano maʻamau:

3. Nā meaʻike o ka inconel 718 I nāʻano likeʻole

4. Corrosion a me ka paleʻana

Actoel 718 hāʻawi i nā pale kū'ē i kahi ākea ākea o nā wahi o nā corrosive, e hoʻoikaika nui i nā noi i hōʻikeʻia nā mea hoʻohālikelike, kaiwa, and ʻO nā kūlana kūpono kiʻekiʻe.

ʻO kāna paleʻana o ke kuʻekuʻe ma muli o kona aloha nicker (I) and Chromium (Cr) anter, me Mybridelu (Mo) and nihibium (Nb) no ka hoʻonuiʻana i ka pitting a me ka crevice corrosiotion resistion.

Ke kū'ē neiʻo Corrosionion

Actoel 718 Hoʻohana pinepineʻia Nā mea hana i nā mea hana Opellice, nā mea hana loiloi, Nā mea paʻa, and nā mea hana wela kahi o kahi corrosion he kumu koʻikoʻi.

ʻO ka pale oxidation

Actoel 718 hana maikaʻi ʻO ka Oxidizing i nā Offistsided a hiki i ~ 980 ° C, ʻOiai naʻe Hoʻopili i nā mīkini hoʻoikaika ikaika i ka lawelawe lawelawe pono e ~ 650 ° C.

• Pale i ka kiʻiʻoniʻoniʻo Oxue kiʻi: ʻO ka hana alloy a Cr risko- (Choria) Palapika, nā mea e pale aku ai a pale aku i kaʻae hou.
• Ke Kauka Kauka: Mālama i ka hana kūpono i ka wā hana hou a me ka hōʻoluʻolu, He kūpono no nā'āpana o Jet Engine a me Turbine Hardware.
• Luhuahuaia: ʻOi aku ka maikaʻi o ke kū'ēʻana i nā mea hoʻokūkū maikaʻiʻole i loko ʻO Gulfur High nā hui hoʻohui, ʻOiaiʻoi aku ka liʻiliʻi o nā mea kiʻekiʻe.

E kāʻei a me ke kāʻeiʻana

ʻOiaiʻaʻole he kumu mua, Actoel 718 hōʻike ʻO ke kū'ē maikaʻiʻana i ka lole a me ka heleʻana, ʻO nā mea i hoʻopaʻaʻia i nā pūlima a me nā mea kūʻai aku ma lalo o nā ukana kiʻekiʻe a me nā wela.

5. Hana a me ke kaʻina hanaʻana

Oiai Actoel 718 Hōʻike i nā waiwai mechaninins maikaʻi loa a me ke kū'ēʻana, ia ikaika ikaika and hana-paʻakikī paʻakikī E hoʻolauna i nā hoʻokūkū hana.

Eia nō naʻe, ia ʻO nā lole lole e hana i nā mea he nui e pili ana i nā maʻi nuckel, ʻO ka laweʻana i kāna mea kīwī kaulike a me nā mea hoʻokūkū Microstructural.

Welding

• ʻO ke kaʻina hana: Gas tungsten arc welding (Gtaw a tig paha) ʻo ia ka mea maʻamau, e hoʻohana ana i nā metala fluler e like me ErnieCrr-2 No ka hōʻoia pono i ka hoʻokūkū pili.
• Nā manaʻo nui:

• • ʻO ka mana pololei o ka hoʻokomo wela (maʻamau 100-150 i kēia manawa) he mea nui e pale ai ʻO ka waiʻona and Kāle Uhiʻi I loko o ka wahi wela (HAZ).
  • ʻO ka hoʻomaʻemaʻe muaʻana a me ka paleʻana o ka paleʻana i ka hoʻomaʻemaʻeʻana i ka pale a me ka pasosity.
  • ʻO ka hana wela wela (Pwht) pili i ka hoʻonāʻana i kaʻaeʻana a puni 980° C, ukaliʻia e ka pāluaʻelua e hoʻihoʻi hou i ka ikaika mechanical a me ka hoʻokaʻawaleʻana.

• Hana: Ua hoʻomau pinepine nā'ōlaʻi mau 85% o ka ikaika o ka ikaika o keʻano o keʻano o ka mahana o ka lumi a i 90% I nā mahana kiʻekiʻe (~ 650 ° C), e hana ana i ka investel 718 ʻO nā'āpana i hilinaʻi nuiʻia i nā wahi koʻikoʻi.

Machimen

• Mea paʻakikī:

• • Inconel 718's hana wikiwikiʻo rapid-ʻO nā wahi i hiki ke hoʻonuiʻia i ka paʻakikī o ka mīkini i hiki mai i 50% -ʻAa i nā mea hana e hoʻopili ai a me nā kaumaha.
  • Ka hoʻohaʻahaʻa haʻahaʻa haʻahaʻa e ola ai i ka wela e hoʻopili ai i ka'āpanaʻoki.

• Nā hopena:

• • Hoʻohana Nā Hana Hana Hana me nā lole hui e like me Hānū E hoʻomaikaʻi i ke ola hana a hōʻemi i ka adhesion.
  • Noi nā wikiwiki wikiwiki (5-10 m / i) hui me Nā uku nui e hānai ai E hōʻemi i ka kūkulu wela wela.
  • Hana mea hana hana kiʻekiʻe me ke kaumaha nui loa (Ep) Hoʻohui no ka hoʻokaʻawaleʻana i ka wela wela.

• Ka hopena kumukūʻai: Ma muli o nā mea hana e hoʻohana ai a me nā wikiwiki wikiwiki, machining inconel 718 hiki 3 i 4 ʻO nā manawaʻoi aku ka nui ma mua o nā mea kanu maʻamau maʻamau e like me 316l, ka hoʻonuiʻana i nā'āpana hoʻolālā a me nāʻoihana waiwai.

E kala a hana

• Ua kalaʻia ka wela:

• • Hele ma waena o 980° C a me 1,040 ° C E hōʻemi i ka ikaika e hāʻawi i ka ikaika a hoʻonui i ka ductitility i ka wā o ka deformation.
  • Hāʻawi i ka paleʻana i ka palaoa maikaʻi a me ka weheʻana i ka hoʻokaʻawaleʻana o nā mea hoʻopiʻi e hoʻoikaika ai.
  • Hoʻihoʻi hou i nā hana wela wela e hoʻihoʻi i nā waiwai mechanical piha.

• Keʻano anuanu:

• • Laulā maʻamau Mālamalama kukui a me ka pena Ma muli o ka ikaika kiʻekiʻe a alloy a hana i ka paʻakikī.
  • Pono Lehua Kahiko (a puni 900 ° C) e hōʻoluʻolu i nā kaumaha a hoʻihoʻi i ka ductility no nāʻano paʻakikī paʻakikī.

• E mālama pono ana i ka mālamaʻana i nā pale huika ola and 'Ōlao'ōmaʻomaʻo.

Kauhi

• Hoʻolei kālā hoʻohana pinepineʻia no nā geomex paʻakikī e like me nā pale o nā turbine.
• Akā naʻe,, huhū (i hoʻopaʻaʻia a'ōwili paha) Nā Palapala Kūlana o Inconel 718 ʻoi aku ka maʻamau o nā noi nui e pili ana i nā noi:

• • ʻOi aku ka maikaʻi o nā meaʻike-Typically, Hale Kūʻai 718 hōʻike ai ~ 10% haʻahaʻa haʻahaʻa haʻahaʻa a hoʻemi i ka ola momona i hoʻohālikelikeʻia i nā mea i hanaʻia.
  • ʻOi aku ka nui o nā microstructure a me nā mea liʻiliʻi.

• Koi akuʻo ia i ke kāohiʻana i nā hana paʻa a me nā pale wela i ka wela e hōʻemi ai i ka hoʻokaʻawaleʻana.

Mea hoʻohuiʻaha

• Ua loaʻa i nā holomua hou Laser powder moe fousion (Lpbf) and ʻO ka uila uila (Ebm) o Inconel 718.
• He makana:

• • ʻO nā geomet paʻakikī me kaʻole o ka hana.
  • Hoʻemiʻia ka pauʻole.
  • ʻO nā micrstructures maikaʻi me nā mea pono i hoʻonuiʻia.

• Post-ho'ōla (ʻO ke kaomiʻana o ka wela wela, ʻO ka hana wela) E hoʻomau i ka mea pono e hōʻemi i ka poosity a hoʻonui i nā hana kūpono.

6. ʻO ka mālama wela o ka pilikia 718

ʻO ka mālama wela e loaʻa ana i ka loaʻaʻana o nā mea hana kūʻokoʻa o ka inconel 718.

E pili ana ke kaʻina hana Hoʻoholo hōʻoluʻolu ukali hoʻopau (Age) hāwanaʻu, ka mea e kāohi ai i ka nui, Ka Hoʻohanohano, a me ka nui o ka nui o ka nui o ke kī nui e hoʻoikaika i nā prases-nui γ.

• Hoʻoholo hōʻoluʻolu: Ka hoʻomehana i 980-1,065 ° C no 1-2 mau hola, ukali e ka wai o ka wai. ʻO kēia mau paleʻole i nā manawa nui a me nā homogenized i ka micropsructure.
• Waena waena: Ka hoʻomehana iā 720 ° C no 8 Nā hola hola, A laila e hana wikiwiki i ka 620 ° C ma 50 ° C / Hour.
• Pau loa: E paʻa ana ma 620 ° C no 8 Nā hola hola, A laila e hoʻoluʻuʻia. Hōʻike kēia i ka hoʻokumuʻana o γ "a me γ ', ka hoʻonuiʻana i ka ikaika.

Δ-PHASE CONE

• Ka Δ-phase (N₃NB) Nā puka mua ma keʻano he mau palena palaoa ma waena 750° C a 900 ° C.
• ʻOiai nā mea liʻiliʻi o nā mea e kōkua aiʻo Δ-phase e kōkua i ka uluʻana o ka palaoa a hoʻomaikaʻi i ke kū'ēʻana, Hoʻonui i ka Δ-phase e hōʻemi i ka niibium i loaʻa no ka γ "kaʻai, e alakaʻi ana i ka ikaika i hōʻemiʻia.
• E mālama ponoʻia nā papa hana hoʻonaninani i ke kaulike Δ-Phase, e hōʻoiaʻiʻo ana i nā waiwai mechanimal i nā manaʻo a me ka paʻakikī.

7. Noi o inconel 718

Inconel 718's hui like o ikaika ikaika, Ke kū'ē neiʻo Corrosion Corrossion, and kūlohelohe hana ia i kahi mea i kohoʻia ma waena o kahi ākea ākea o nāʻoihana.

Na'Āpana Nossopace

• Nā mīkini hulahula:
  Actoel 718 ua hoʻohana nuiʻia no nā discs turbine, Nā Wili, a me nā kula I nā mīkini jet, ma kahi e pono ai ka nui o nā luna kiʻekiʻe o nā kenekulia kiʻekiʻe a kiʻekiʻe loa (a hiki i 650 ° C) Me ka hōʻoleʻoleʻana i ka hoʻohana ponoʻana.
• Rocketry a me ka spacecraft:
  Nā mea e like me Nā Kūlana Kūlana Kūlana, kau hale, a me na mea paakiki pōmaikaʻi mai kona ikaika ikaika-i-paona a me ke kūpaʻa maikaʻi loa, koʻikoʻi no ka hoʻokele kaʻa kaʻa.
• ʻO nā mea e waiho ai nā AirFrame:
  ʻO kāna paleʻana o ke kuʻekuʻe a me ka ikaika o ka ikaika ʻO nā'āpana'āina, Bussings, a me nā'āpana hoʻonohonoho hōʻikeʻia i nā kaiāulu.

Mana pā'āʻu

• Nā wahi hau:
  Actoel 718 i hoʻohana pinepineʻia Nā pale hoʻohālikelike, Disc, a me nā kūlanakauhaleʻo Turbine Ma muli o kona ikaika kiʻekiʻe kiʻekiʻe a me ka paleʻana.
• Nā Turines Steam:
  Hoʻohanaʻia i nā'āpana i hōʻikeʻia i nā pae kiʻekiʻe a me nā wahi moku, kahi e pono ai ka paleʻana o ka oxidation.

Pono & ʻO ka hui Gas

• ʻO nā mea hana i lalo:
  Incontel 718's corrossion coristion a me ka ikaika ma lalo o ke koʻikoʻi kiʻekiʻe a me ke kiʻekiʻe e pono ai Nā Kūloko, stabilizers, A me nā pakers I loko o nā mea hoʻokūkū Samersh subterranean.
• Nā kumu a me nā kūpono:
  ʻO ka paleʻana i ka sulfide sumcing sticking a me ka chlodide-induded corrosion, Ua hoʻohana nuiʻia Nā Vilves, Pumps, a me nā kīʻaha koʻikoʻi ʻO ka laweʻana i nā wai wai a me nā wai corrosive.
• Nā hanana lole:
  Hōʻikeʻia i nā wahi ma nā wahi mokulele e pono ai e like me ka mea e like me ka incontel 718 e kaua i ka paʻakai paʻakai a me ke kaumaha.

Ke kū nei a me nā noi kūikawā

• Mea hoʻohuiʻaha:
  ʻO ka huiʻana o ka alloy me keʻano o ka pūʻana o Laser (Lpbf) a me nā mea uila (Ebm) hiki i ka hana o ka paʻakikī, ʻO nā'āpana māmā hikiʻole ke hikiʻole i ka hana maʻamau.
• Nā mea hana kiʻekiʻe kiʻekiʻe:
  Nā mea hana i hanaʻia mai ka meaʻole 718 me ka nui o nā mea kanu kiʻekiʻe, Ke ola nei i ke ola hana i nā hana noi.
• Nā palapala noi:
  Kona paʻakikī i loaʻa i nā haʻahaʻa haʻahaʻa haʻahaʻa loa (iho i lalo o -270 ° C) hana kūpono ia no ʻO nā wai inuʻona a me nā mea kūʻai aku.

8. Nā palena hana a me nāʻano hanaʻole

• Kaʻeha o ka wahine hoʻokamakamanical (Tmf): Hikiʻole ma hope o 500-1,000 mau hana (25° C i 650 ° C) ma lalo o ka hui pūʻana a me keʻano mechanical, he pilikia ma Turbine Engines.
• Na kembrittlement: Hōʻike lōʻihi ma luna o 700 ° C Custing Δ-Phase ke kau nei, e hōʻemi ana i ka paʻakikī e 30% a hoʻonui i ka pilikia pilikia.
• ʻO ka hakakāʻana o ke kaumaha (SCC): Hele i ka wela (>100° C) Nā hoʻonā kino Kolili (E.g., nā'ōnaehana maʻalahi) I nā kaumaha >70% o ka hooikaika i ka ikaika, ʻOiaiʻo RERE i nā'ōnaehana maikaʻi.

9. Loaʻa a me nā palena

Actoel 718 kū i waho e like me kekahi o nā mea nui loa a me ka nui o nā mea maʻi nickel, hāʻawi i kahi hui kūʻokoʻa o nā waiwai e kūpono ai i nā mea kūpono loa a me nā koi:

Loaʻa i nā hanana o Inconel 718

ʻO ka ikaika kiʻekiʻe loa

• Mālama i nā kiʻekiʻe kiʻekiʻe, hua, a me ka ikaika o ka ikaika a hiki i kahi kokoke 650° C, ʻO nā mea'ē aʻe i nā mea hou aʻe i nā kūlana like like.

ʻO keʻano o ka corrosioni a me ka paleʻana o ka oxidation

• Hana i kahi paʻa, paleʻo Oxeve i ka mea e pale aku ai i ka oxidation ma nā wela kiʻekiʻe.
• Ke kū'ē nui loa i kohuala, Sulfur, a me nā wahi ACIDIC, Ke kūpono nei ia no nā noi o nā mea noi a me nā noi mare.

Maikaʻi maikaʻi a me ka weldability

• ʻAʻole like me nā mea he nui o Nickel, Actoel 718 hiki maikaʻi loa Me nā pilikia paʻakikī.
• Ia markinpalibility, oiai, ʻoi aku ka maikaʻi ma mua o nā mea he nui'ē aʻe, e hiki ai i ka hana kūpono.

Maikaʻi loa a me ka paleʻana o ka momona

• Hōʻike i ka paleʻana i ke kū'ē Ka Hoʻolālā Creep and Kaʻeha o ka wahine hoʻokamakamanical, pono no nā'āpana o Aerospace Turbine a me nā mea hana mana mana.

ʻO ka hana ākea ākea

• Mālama i nā mea hana mechanical mai ʻO nā wela cryogiec (-270° C) i nā kiʻekiʻe kiʻekiʻe (~ 650 ° C).

Microstructural

• Ke hoʻopau nei i ka paleʻana i ka paleʻana a me ke kūleʻa o ka microstruncture i hōʻemi i ka nui o ka phase.

Ka hoʻohālikelikeʻana me ka hana holomua

• Hoʻoponopono i mea hoʻohuiʻaha ʻO nāʻenehana e like me ke kapa moe o Laser (Lpbf) a me nā mea uila (Ebm), E hoʻopau i nā mea paʻakikī.

Nā palena o ka inconal 718

• Kumukūʻai kiʻekiʻe: Mea kūʻai ($40-60 / Kg) is 8-10 × 316l; Hoʻohuiʻo Maching i ka 30-50% i nā kumukūʻai kūʻai.
• Ke hoʻololi nei i ka paʻakikī: Pono i ka ho'ēmiʻana (Ua hele mai au) a me nā mea hana, palena palena.
• Mahana wela: Kūponoʻole ma luna o 650 ° C; ua hoʻololiʻia e ka inconal 738 a iʻole nā mea e makemake ai >700° C.

10. Hoʻohālikelike me nā lako'ē aʻe

Actoel 718 ua hoʻohālikelike pinepineʻia i nā mea'ē aʻe, nā mea kanu lāʻau, a me nā noi titanium i ka wā e koho ai i nā mea e koho ai no nā noi pili.

ʻO ka hoʻomaopopoʻana e kōkua ana i kēia mau hoʻohālikelike e kōkua i kona mau ikaika a me nā palena.

Actoel 718 vsa. Nā mea hoʻonani nickel-e pili ana

• Hōʻaʻakeʻa: Actoel 718 hāʻawi i kahi hui kūpono o ka ikaika kiʻekiʻe a me ka lole maikaʻi maikaʻi, ʻAʻole like me nā mea'ē aʻe'ē aʻe e hana mua i ka ikaika kiʻekiʻe ma ke kumukūʻai o ka hanaʻana o ka mea hana.

ʻO Steelle Craels vs. Actoel 718

• Hōʻaʻakeʻa: Actoel 718 Hoʻopilikia nā mea kanu lāʻau I nā mahana kiʻekiʻe a ma lalo o nā kūlana kūwaho, Ke hana nei i ke koho koho i ka wā e koʻikoʻi ai ka ikaika a me ka maʻi oxidation.

Actoel 718 vsa. ʻO nā huila Titanium

• Hōʻaʻakeʻa: Titanium Alloys Excel i ka ikaika o ka ikaika o ka ikaika a me ka paleʻana i keʻano o keʻano, Akāʻo Inconel 718 e noho mau ana no nā noi kiʻekiʻe ma kahi kiʻekiʻe e pono ai ka ikaika o ka ikaika.

Nā Kūleʻa Kil

• Ikaika a me ke aniani: Actoel 718 Hāʻawi i ka ikaika ikaika a me ka kūpaʻa i nā mahana e pili ana i ka 700 ° C,
  ʻO ka paleʻana i nā kilokilo maikaʻi loa a me nā mea kūʻai akuʻo Titanium, akā ua emi iki ma mua o kekahi mau mea kūikawā kūikawā.
• Huhu: Hāʻawi ia i ka maikaʻi maikaʻi a me ka manikini i hoʻohālikelikeʻia i nā mea he nui e pili ana i nā maʻi nukel, ʻO ka hoʻemiʻana i ka hoʻomaʻamaʻaʻana i ka paʻakikī a me ke kumukūʻai.
• Ke kū'ē neiʻo Corrosionion: Actoel 718 ke kū'ē nui loa i ka oxidation, kohuala, a me ke ao anid, Ke kūpono nei iā Marine, Kekau, a me nāʻano kiʻekiʻe o ka nohoʻana.
• Kālā: ʻOi aku ka nui o nā mea kūʻai aku ma mua o nā mea kilokilo a me nā mea kūʻai aku a me nā mea kūʻai aku ma keʻano he hana maikaʻi loa i nā wahi hana.

11. Hopena

Actoel 718 e noho mau ana i kekahi o nā mea nui loa a me nā mea i hoʻohana nuiʻia i kaʻenehanaʻoihana kiʻekiʻe.

Kona hiki ke hoʻohui pūʻana ikaika ikaika, Kaʻa Kaʻamae, Ke kū'ē neiʻo Corrosionion, and hana hoʻohui hoʻohui hana i nā mea iʻikeʻoleʻia i nā noi misionion-koʻikoʻi.

ʻOiai e hāʻawi paha i nā mea hou aku hou i nā waiwai kiʻekiʻe, Inconel 718's Kālā, kumukūʻai-kūpono, and hana maikaʻiʻia e hōʻoiaʻiʻo i kona noho mauʻana i ka noho aliʻi ma Aerospace, ikaika, a me nā mea hana holomua holomua.

FaqS

ʻO keʻano o ka hana nui loa no ka inconal 718?

Hana ia i ka hilinaʻi i ka 650 ° C (1,200° F) No ka lawelawe mau. No nā pōkole pōkole (mau minuke i nā hola), Hiki iā ia ke hoʻopaʻaʻia i 800 ° C, akā, hōʻole ka ikaika i luna o 650 ° C.

Inconal 718 magnetic?

ʻAʻole. ʻO kāna microstruc Microtetitic e noho mau ana i nāʻano likeʻole, ʻAʻole e like me nā mea hele Duplex Fuclex a iʻole kekahi mau mea haoʻo Nickel-hao.

Pehea ka hanaʻana 718 Hoʻohālikelike i nā alloys tityy?

Actoel 718 Hāʻawi i ka ikaika kiʻekiʻe ma >400° C (ʻO Titanium Alloys nalowale ikaika wikiwiki ma luna o 300 ° C) aka, he daimonio (8.1 G / cm³ vs.

Ti-6al-4v's 4.43 g / cm³), Ke hana nei i kahi kūpono kūpono no ke kaumaha-koʻikoʻi, nā noi haʻahaʻa haʻahaʻa.

Hiki i ka pilikia 718 e lilo i loko o ke kai?

ʻAe. ʻO kāna helu corrosio ma ke kai kai <0.02 MM / makahiki, Ke kūpono nei i kūpono no nā'āpana subsisa, ʻOiaiʻoi aku ka nui o nā kumukūʻai ma mua o 316l a iʻole nā mea e hele ai i nā mea kilokilo non-kiʻekiʻe.

He aha nā kumu o ka pilikia 718 e nele?

Nāʻano hana maʻamau e komo ai i ka momona thermomechanical (Tmf) Ma nā mīkini Turbine, ʻO ka embrittlement Thermal ma luna o 700 ° C, a me ka rare scc i nā wahi wela wela.

Hoʻolālā kūpono (Kaumaha <70% hua) aʻo ka wela wela e hoʻonui ai i kēia mau pilikia.