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Iron Chrome Aluminium Resistance Alloys

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Chigadzirwa Chigadzirwa

MIBVUNZO

Chigadzirwa Mateki

Iron Chrome Aluminium (FeCrAl) alloys zvinhu zvepamusoro-zvinodzivirira zvinhu zvinowanzo shandiswa mukushandisa ine yakanyanya kushanda tembiricha inosvika 1,400 ° C (2,550 ° F).

Aya maFerritic alloys anozivikanwa kuve neakakwira ekumusoro ekukanda kugona, kudzoreredza kwepamusoro uye huwandu hwakaderera kupfuura dzimwe Nickel Chrome (NiCr) dzimwe nzira dzinogona kududzira kune zvishoma zvigadzirwa mukushandisa uye uremu kuchengetedza. Iyo yepamusoro yepamusoro yekushisa tembiricha inogona zvakare kutungamira kune akareba element hupenyu. Iron Chrome Aluminium alloys inogadzira yakajeka grey Aluminium oxide (Al2O3) pane tembiricha iri pamusoro pe1000 ° C (1,832 ° F) iyo inowedzera ngura kuramba pamwe nekuita seyemagetsi insulator. Iyo oxide yekuumbwa inoonekwa seyangu-inodzivirira uye inodzivirira kubva kukufupika kutenderera mune chiitiko chesimbi kune simbi inosangana. Iron Chrome Aluminium alloys ane yakaderera michini simba kana ichienzaniswa neNickel Chrome zvishandiso pamwe nekuderera kwesimba simba.

Rondedzero yeCold-kudhirowa Round Rudzi kudziyisa waya

Dhayamita (mm)

Kushivirira (mm)

Dhayamita (mm)

Kushivirira (mm)

0.03-0.05

± 0.005

> 0.50-1.00

± 0.02

> 0.05-0.10

± 0.006

> 1.00-3.00

± 0.03

> 0.10-0.20

± 0.008

> 3.00-6.00

± 0.04

> 0.20-0.30

± 0.010

> 6.00-8.00

± 0.05

> 0.30-0.50

± 0.015

> 8.00-12.0

± 0.4


Rondedzero yeCold-kudhirowa Strip Rudzi 
kudziyisa waya

Ukobvu (mm)

Kushivirira (mm)

Upamhi (mm)

Kushivirira (mm)

0.05-0.10

± 0.010

5.00-10.0

± 0.2

> 0.10-0.20

± 0.015

> 10.0-20.0

± 0.2

> 0.20-0.50

± 0.020

> 20.0-30.0

± 0.2

> 0.50-1.00

± 0.030

> 30.0-50.0

± 0.3

> 1.00-1.80

± 0.040

> 50.0-90.0

± 0.3

> 1.80-2.50

± 0.050

> 90.0-120.0

± 0.5

> 2.50-3.50

± 0.060

> 120.0-250.0

± 0.6

 

Chiwanikwa Type

Dhayamita
(mm)

Kugadzikana
(μΩm) (20 ° C)

Tensile
Simba
(N / mm)

Kukwidziridzwa (%)

Kukotama
Nguva

Max Kuenderera mberi
Sevhisi
Kupisa (° C)

Kushanda Hupenyu
(maawa)

1Cr13Al4

0.03-12.0

1.25 ± 0.08

588-735

> 16

> 6

950

> 10000

0Cr15Al5

1.25 ± 0.08

588-735

> 16

> 6

1000

> 10000

0Cr25Al5

1.42 ± 0.07

634-784

> 12

> 5

1300

> 8000

0Cr23Al5

1.35 ± 0.06

634-784

> 12

> 5

1250

> 8000

0Cr21Al6

1.42 ± 0.07

634-784

> 12

> 5

1300

> 8000

1Cr20Al3

1.23 ± 0.06

634-784

> 12

> 5

1100

> 8000

0Cr21Al6Nb

1.45 ± 0.07

634-784

> 12

> 5

1350

> 8000

0Cr27Al7Mo2

0.03-12.0

1.53 ± 0.07

686-784

> 12

> 5

1400

> 8000


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