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Kupanga kozungulira kwa Inconel 751

Kufotokozera Kwachidule:

Awa ndi aloyi amphamvu kwambiri a nickel-base high-temperature alloy omwe zinthu zake zabwino zimatha kupezeka pakuumitsa ukalamba.Aloyiyi imalimbana ndi dzimbiri ndi makutidwe ndi okosijeni, ndipo imakhala ndi mphamvu zokwawa bwino ikapanikizika kwambiri ndi kutentha kwa 1200/1500ºF (650/820ºC.) Imakhala ndi zophulika zabwino mpaka 1600ºF (870ºC.)


Tsatanetsatane wa Zamalonda

Zogulitsa Tags

Makhalidwe

1.Uniform corrosion ya mankhwala akhoza kuchitika mu acidic kapena otentha alkaline njira.Kutayika kungayembekezere kupyolera mu makina awa ndipo amaloledwa pakupanga.Kuchuluka kwa dzimbiri kwa chinthu cha Inconel 751 kukakhala pang'onopang'ono, chitsulo chimakhala chokhazikika, ndipo nthawi zambiri kukana kwa dzimbiri kumakhala bwino ndi chromium yokulirapo, koma zosungunulira zina zimatha kukhala zovulaza.
2.Zolemba zamakemikolo pafupi ndi malire a mbewu za Inconel 751 zitha kusinthidwa ndi mvula ya tinthu tating'ono ta chromium.Magawo omwe atsala pang'ono kutha kwa chromium pamalire a tirigu amapangitsa kuti 4Cr13 zitsulo zosapanga dzimbiri zitha kugwidwa ndi anode intergranular, ngakhale mutakhala opanda nkhawa.
3.Kutchulidwa kwa inconel 751 zitsulo zachitsulo kumatanthauza kuti 12% ya Cr yokhutira imaposa pang'ono.Zambiri za Fe-Cr-C Fe-Cr-Ni-C zozikidwa pazitsulo zosapanga dzimbiri zimachokera, komanso ndizofunikira pazinthu zina zowonjezera.
4.Inconel 751 zitsulo zopangidwa ndi zitsulo zimatha kukhala mumitundu ingapo ya kristalo, yomwe imakhalapo kwambiri ndi kukhalapo kwa thupi la cubic (bcc) ndi nkhope-centered cubic (fcc).Muchitsulo choyera, mawonekedwe a fcc akadalipo pa kutentha pakati pa 910 ndi 1400 ° C, nthawiyi nthawiyi pansi komanso pamwamba pa thupi la cubic (mpaka 1539 ° C kutentha kosungunuka).
5.Inconel 751 Kufunika kwa kusintha kwazitsulo zazitsulo zazitsulo panthawiyi sikungatheke.Kutembenuka uku kumapangitsa kuti ma microstructures osiyanasiyana akwaniritsidwe poyang'anira chithandizo cha kutentha.Zogwirizana ndi ma microstructure, makina amakina, chifukwa chake, zinthu za inconel 751 zimatha kukhala ndi mphamvu zambiri, kulimba, ndi zina zambiri.

Chemical Composition

Zinthu Zomwe zili (%)
Nickel, Ndi ≥ 70
Chromium, Cr 14-17
Iron, Fe 5-9
Titaniyamu, Ti 2-2.60
Manganese, Mn ≤1
Aluminium, Al 0.90-1.50
Niobium, Nb 0.70-1.20
Copper, Ku ≤ 0.50
Silicon, Si ≤ 0.50
Kaboni, C ≤ 0.10
Sulphur, S ≤ 0.010

Mechanical Properties

Katundu Metric Imperial
Kugwira ntchito bwino kwa kutentha kwapakati (20-100°C/68-212°F) 12.6 µm/m°C 7 µin/mu°F
Thermal conductivity 12 W/mK 83.3 BTU mu/hr.ft².°F

Kuthekera

Inconel 751 imatha kupangidwa pogwiritsa ntchito njira zachikale zomwe zimagwiritsidwa ntchito popanga ma aloyi achitsulo.Zozizira zamalonda zimagwiritsidwa ntchito popanga makina.Ntchito zothamanga kwambiri monga kugaya, mphero, kapena kutembenuza, zimagwiritsidwa ntchito pogwiritsa ntchito madzi ozizira ozizira.

Kupanga

Inconel 751 imapangidwa pogwiritsa ntchito njira zonse wamba.

Kuwotcherera

Inconel 751 imawotcherera pogwiritsa ntchito kuwotcherera kwachitsulo-arc, gasi-tungsten arc kuwotcherera, kuwotcherera kwachitsulo-arc, ndi njira zowotcherera zomira.

Kupanga

Inconel 751 imapangidwa pa 1038 mpaka 1205 ° C (1900 mpaka 2200 ° F).

Hot Working

Inconel 751 ndi yotentha yogwira ntchito pa 983 mpaka 1205 ° C (1800 mpaka 2200 ° F).

Ntchito Yozizira

Inconel 751 imatha kugwira ntchito mozizira pogwiritsa ntchito zida wamba.

Annealing

Inconel 751 imatha kugwira ntchito mozizira pogwiritsa ntchito zida wamba.

Mapulogalamu

Inconel 751 imagwiritsidwa ntchito mu mavavu otulutsa mphamvu zama injini za dizilo.


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