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Alkrothal 14 ferritic ironchromiumaluminium alloy (FeCrAl alloy)
Alkrothal 14 (Uaea fa'avevela tete'e ma uaea tete'e) O le Alkrothal 14 o se u'amea ferritic chromiumaluminium alloy (FeCrAl alloy) e maualuga le tete'e e talafeagai mo le fa'aaogaina i le vevela e o'o atu i le 1100°C (2010°F). E masani ona fa'aaogaina le Alkrothal 14 mo uaea tete'e eletise mo fa'aoga e pei o uaea fa'avevela.
FA'ATULAGA FA'KEMIKOLO
| C% | Si% | Mn% | % o le Cr | Al % | Fe% | |||||||
| fa'atulagaga fa'aigoa | 4.3 | Paleni | ||||||||||
| Min | - | 14.0 | ||||||||||
| Maualuga | 0.08 | 0.7 | 0.5 | 16.0 |
MEAFAIGALUEGA FA'AMEKANIKA
| tele o le uaea | Malosiaga o le fua | Malosiaga o le tensile | Fa'aloloa | Faigata |
| Ø | Rp0.2 | Rm | A | |
| mm | MPa | MPa | % | Hv |
| 1.0 | 455 | 630 | 22 | 220 |
| 4.0 | 445 | 600 | 22 | 220 |
| 6.0 | 425 | 580 | 23 | 220 |
MODULUS A YOUNG
| vevela °C | 20 | 100 | 200 | 400 | 600 | 800 | 1000 |
| GPa | 220 | 210 | 205 | 190 | 170 | 150 | 130 |
Meatotino fa'amekanika i le vevela maualuga
| Vevela °C | 900 |
| MPa | 30 |
Fua fa'atatau o le malosi fa'asolosolo 6.2 x 10 /min
MALOSI TOTOGI – 1% FA'ALELEI I LE 1000 H
| Vevela °C | 800 | 1000 |
| MPa | 1.2 | 0.5 |
MEAFAIGALUEGA FA'ALETINO
| Mafiafia g/cm3 | 7.28 |
| Tete'e eletise i le 20°C Ω mm/ m | 1.25 |
| Fua fa'atatau o Poisson | 0.30 |
VAEGA O LE TETEE I LE VELAVE
| Vevela°C | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 |
| Ct | 1.00 | 1.02 | 1.03 | 1.04 | 1.05 | 1.08 | 1.09 | 1.10 | 1.11 | 1.11 | 1.12 |
COEFFICIENT O LE FA'ALAUTELEINA O LE VELA
| Vevela °C | Fa'alauteleina o le Vevela x 106/ K |
| 20 - 250 | 11 |
| 20 - 500 | 12 |
| 20 - 750 | 14 |
| 20 - 1000 | 15 |
FA'AFETAIINA O LE VELA
| Vevela °C | 20 |
| W/m K | 16 |
MALOSIAGA FA'APITOA MO LE VEVE
| Vevela°C | 20 | 200 | 400 | 600 | 800 | 1000 |
| kJ kg-1K-1 | 0.46 | 0.63 | 0.72 | 1.00 | 0.80 | 0.73 |
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