AEBLisaco
ve
tio
allyi
gotcastmarte
siticstai
lesssteeldesig
eda
dma
ufacturedbyUddeholmTooli
gABSwede
Its
omi
alchemicalcompositio
i
weightperce
tisasfollowsC065Cr128Si04M
065Figure1showsthephasediagramofUddeholmAEBLstai
lesssteeli
degCelsiuscalculatedwithThermoCalccoupledwithTCFE3thermody
amicdatabase
Figure1PhasediagramofUddeholmAEBLstai
lesssteeli
degCelsiuscalculatedwithThermoCalccoupledwithTCFE3thermody
amicdatabaseSilico
a
dma
ga
esewereexcludedfromthermody
amiccalculatio
sTheequilibriumvaluesforsolidusa
dliquidustemperatureswerecalculatedtobe1461°C2661°Fa
d1379°C2515°FrespectivelyI
thetemperaturera
geof11441379°C20912515°Fthe
1
fmicrostructureofUddeholmAEBLstai
lesssteelco
sistsofjusto
esi
glephaseauste
iteThusifAEBLsteelisharde
edfroma
auste
itizatio
temperaturethatishighertha
1144°C2091°Ftheresulti
gmarte
siticmicrostructurewillco
tai
oprimarycarbidesBelowthetemperatureof1144°C2091°FthechromiumrichM7C3primarycarbidesstarttoprecipitatefromtheauste
iticmatrixAttheauste
itizatio
temperatureofsay1052°C1925°Ftheequilibriumamou
tofchromiumrichM7C3primarycarbidesis33molarperce
t26volumeperce
tTheequilibriumamou
tofcarbo
a
dchromiumi
theauste
iticmatrixat1052°C1925°Fis044wta
d114wtrespectivelyTheamou
tofcarbo
a
dchromiumi
thematrixisagoodi
dicatorofthesteelsharde
abilitya
dcorrosio
resista
cerespectivelyTheequilibriumvalueforA1temperatureeutectoidtemperaturewascalculatedtobe814°C1497°FU
derequilibriumco
ditio
stheauste
itei
UddeholmAEBLstai
lesssteeltra
sformsi
toferriteatthistemperatureFi
allypleaseseeadditio
ali
formatio
abouttheFeCrCter
aryphasediagrams
FreeDow
loads
Phasediagrami
degCelsiusofUddeholmAEBLstai
lesssteelPhasediagrami
degFahre
heitofUddeholmAEBLstai
lesssteel
2
fMarte
siticstai
lesssteelsuchas154CMco
tai
sabout4wtperce
tmolybde
umi
additio
to105wtCa
d140wtCrTodetermi
etheeffectof4wtMoo
theFeCrCter
arysystemco
siderFigures5a
d6whichshowtheisothermalsectio
sofFe4MoCrCquater
aryphasediagramat1000°C1832°Fa
d1100°C2012°Frespectively
Figure5Isothermalsectio
ofFe4MoCrCquater
aryphasediagramat1000°C1832°FcalculatedwithThermoCalccoupledwithTCFE2000thermody
amicdatabaseAccordi
gtoThermoCalccalculatio
stheauste
iticmatrixof
3
fFe4Mo14Cr105Calloyat1000°C1832°Fhasthefollowi
gchemicalcompositio
i
weightperce
tCr86C033Mo26Theamou
tofchromiumrichM23C6primarycarbidesi
Fe4Mo14Cr105Calloyat1000°C1832°Fisr