he aha ka inconel 718

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Inconel ʻO 718 kahi mea i hoʻokumu ʻia i nickel a hiki ke paʻakikī ʻia e ka ua. Ke hōʻike mau nei ia i ka ikaika o ka hua kiʻekiʻe, ka ikaika a me ka ikaika o ka haʻalulu i nā mahana kiʻekiʻe a hiki i 704 ° C. Lohi ka hopena paʻakikī o 718 mau aniani, no laila ʻaʻole e paʻakikī me ka hoʻomehana a me ke anuanu i ka wā o ka annealing a me ka hao. Hoʻohālikelike ʻia me nā superalloys i hoʻokumu ʻia me nā nickel i hoʻohui ʻia me ka alumini a me ka titanium, he hana maikaʻi maikaʻi loa ka 718 okaina.

ʻO AMS5662 ka mokuʻāina hoʻomaka o 718 a me ka mokuʻāina palupalu i ka papa AMS. Ma o ka mālama ʻana i ka wela, hiki ke hoʻohuli ʻia ka AMS5662 i AMS5663. ʻElua mau ʻano hana hoʻomehana wela, hiki i kekahi ke hoʻonui i ka hana hopena, a ʻo kekahi e hoʻonui i ka hana ʻumeʻa a me nā mea kolo. ʻO ka paʻakikī o AMS5662 ma kahi o 20-25HRC, hiki ke hoʻonui ʻia i 36-44HRC ma o ka mālama ʻana i nā kūpuna.
ʻO ka ʻokoʻa ma waena o AMS5664 a me AMS5662 a me 5663 ka nui aku, he mea ʻokoʻa ia, e pili ana i kahi kaʻina hana e ʻoi aku ka paʻakikī, i ʻoi aku ai ke kiʻekiʻe o ka mea a me ka loaʻa ʻana o ka ikaika, ʻoiai ke kū nei i kekahi mau koina koina. Kūpono ʻo AMS5664 no nā noi Aerospace e koi ai i ka ikaika kiʻekiʻe.

Inconel 718 noi

Nā ʻenekini mokulele a me nā ʻāpana fuselage wikiwiki, e like me nā huila, nā pahi turbine, nā gaskets, nā hoʻopaʻa wela wela kiʻekiʻe, hoʻopilis, etc.

Inconel 718 Hoʻomaʻamaʻa wela

1021-1052 ° C hoʻonā annealing no 1-2.5 mau hola, a laila pio ka wai. ʻO nā pā me ke anawaena ma lalo o 3.5 "hiki ke kinai ʻia me ka wai a i ʻole hoʻoliʻiliʻi ea. Ke ʻelemakule nei no 6-8 mau hola ma 774-802 ° C, a laila hoʻalili ʻia ka ea

Inconel 718 Hana Mekanika

Ka ikaika ikaika: 150ksi aʻoi aʻe paha
Ka ikaika o ka hua: 120-145ksi
4D elongation: ʻoi aku ma mua o 20%
Māhele shrinkage (dia≤10 "): 35% a ʻoi paha
Māhele shrinkage (dia ＞ 10 "): ʻoi aku ma mua o 25%
Paakiki: 30-40HRC
Ka ikaika o ka hopena V-notch (-59 ° C a i lalo):
Ka ikehu awelika: ʻoi aku ma mua o 35ft / lbs (47J)
ʻO ka ikehu palena iki hoʻokahi: 30ft / lbs (40J)

Inconel 718 Nā Kino

Piko: 8.44
Ka laulā hoʻonui pālua coefficient
77-200 ° F 7.10 X 10-6in / in / ° F.
77-400 ° F 7.50 X 10-6in / in / ° F.
77-600 ° F 7.70 X 10-6in / in / ° F.
77-800 ° F 7.90 X 10-6in / in / ° F.
77-1000 ° F 8.00 X 10-6in / in / ° F.
77-1200 ° F 8.40 X 10-6in / in / ° F.
77-1400 ° F 8.90 X 10-6in / in / ° F.

Modulus Elastic (E)

Ke Kūlana (70 ° F): 728.0 ohm-cir-mil / ft
Ka hoʻoheheʻe ʻana: 2200-2450 ° F

ʻO ka hopena o ke ana wela hoʻomehana ma ka hana wela o ka lumi transverse o 718 mea

Nānā: ʻO kahi hāpana hōʻike he ʻehā ʻahā like me ka lōʻihi o ka ʻaoʻao o 4 ". Hoʻohālikelike ʻia ka hāpana hōʻike no 2 mau hola i ka mahana i ka papaʻaina a hoʻomaʻalili ʻia ka ea. ʻO ka hana ʻelemakule he 718 ° C no 8 mau hola. a me 56 ° C / hola Hoʻomaʻamaʻa ʻia ka wikiwiki i 621 ° C, mālama ʻia no 8 mau hola, a laila hoʻomaʻalili ʻia ka ea.
ʻO ka hopena o ka mahana lapaʻau hoʻonā ma ka transverse stress cracking hana o 718 mea

Kaha: ʻo ka hāpana hoʻāʻo he ʻehā ʻāpana huinahā me ka lōʻihi o ka ʻaoʻao o 4 ". ʻO ka hopena i mālama ʻia i ka mahana i hōʻike ʻia i ka papa no 2 mau hola, hoʻoluʻolu lewa, a laila ʻelemakule ma 718 ° C no 8 mau hola, a me ka umu ahi hoʻoluʻolu ma ka helu o 56 ° C / hola Piʻi i 621 ° C, mālama mālama wela no ʻewalu mau hola, a hoʻoliʻoli loa i ka ea.

Hōʻike hoʻoweliweli hoʻomehana

Kaha: ʻo ka hāpana hoʻāʻo he dia12.7mm puni kī, mālama ʻia ka wela ma 982 ° C no 1 hola, hoʻoluʻolu lewa i + 718 ° C no 8 mau hola, hoʻoluʻu ʻia i 621 ° C, mālama ʻia i ka wela no 8 mau hola, a laila hau-anuanu.

Hōʻike hoʻohaʻahaʻa wela haʻahaʻa

Kaha: ʻo ka hāpana hoʻāʻo he ʻehā mau mea huinahā me ka ʻaoʻao lōʻihi o 101.6mm. Hoʻomaʻamaʻa wela ʻia ma 1066 ° C no 2 mau hola, hoʻomaʻalili ʻia ka ea ma + 718 ° C no 8 mau hola, a hoʻoluʻolu ʻia i 621 ° C i ka lua ahi no 8 mau hola a laila hoʻalili ʻia ka ea.

Hoʻāʻo ʻāʻī Stress

Hoʻomaopopo: Hoʻomaʻamaʻa wela ma 982 ° C no 1 mau hola, hōʻoluʻolu lewa + 718 ° C no 8 mau hola, hoʻohuʻa ka umu ahi i 621 ° C, mālama wela no 8 mau hola, a laila ea anuanu.

Hoʻomaʻamaʻa heat

Nā Huaolelo 1: E kiʻi i ka ikaika ikaika a me ka ikaika o ka haʻihaʻi koʻikoʻi
954-982 ° C, 1 hola, ʻoluʻolu lewa + 718 ° C, 8 mau hola, anuanu i ka 621 ° C ma 56 ° C / hola, mālama ʻia no 8 mau hola, a laila hoʻalili ʻia ka ea.
Nā Huaolelo 2: Loaʻa i ka ikaika ʻoi loa ka maikaʻi ma ke ana wela a me ka haʻahaʻa haʻahaʻa
Hoʻomaʻamaʻa wela ma 1066 ° C no 1-2 mau hola, hōʻoluʻolu lewa + 718 ° C no 8 mau hola, anuanu i 621 ° C ma 56 ° C / hola, e paʻa ana no 8 mau hola, a laila ea anuanu.

Ka hana ʻana i ka hana

Hoʻomaʻamaʻa wela
ʻO ka mahana o ka umu hana wela ʻaʻole i ʻoi aku ma mua o 1121 ° C. Inā ma lalo o ka 593 ° C ka mahana hana, kaohi ʻia ka mahana o ka hana anuanu ma 927-1010 ° C, hiki ke hāʻawi forging ikaika. Hōʻalo i ka hoʻomehana wā lōʻihi i ka umu ma forging.

Mīkini hoʻohui

Hiki ke mīkini ʻia nā annealed a me nā makahiki paʻakikī. ʻOi aku ka maʻalahi o ka wā paʻakikī e wāwahi ai, a ʻoi aku ka maikaʻi o ka hoʻopau o luna. No nā mea annealed, ʻoi aku ka lōʻihi o ke ola o ka mīkini mīkini.

ka pale

Hiki i nā kūlana annealed ʻelua a me ka mokuʻāina ʻelemakule ke hoʻopili ʻia. Ke kuʻihao i nā mea kahiko, nā wahi e palupalu e ka wela kuʻihao e deform.

loulou i kēia ʻatikala: he aha ka inconel 718

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