Alkrothal 14 (Xov hlau cua sov tiv taus thiab xov hlau tiv taus) Alkrothal 14 yog ib qho hlau ferritic iron chromiumaluminium alloy (FeCrAl alloy) uas muaj kev tiv taus siab uas tsim nyog rau kev siv ntawm qhov kub txog li 1100°C (2010°F). Alkrothal 14 feem ntau yog siv rau xov hlau tiv taus hluav taws xob rau cov ntawv thov xws li cov xov hlau cua sov.
TSHUAJ TXHUAM XYUAS
| C% | Si% | Mn% | Cr% | Al% | Fe% | |||||||
| cov qauv tsim tawm | 4.3 | Bal | ||||||||||
| Tsawg kawg | - | 14.0 | ||||||||||
| Qhov siab tshaj plaws | 0.08 | 0.7 | 0.5 | 16.0 |
COV KHOOM SIV TXUJ CI
| qhov loj ntawm cov hlau | Lub zog tawm los | Lub zog tensile | Kev ntev | Qhov nyuaj |
| Ø | Rp0.2 | Rm | A | |
| hli | MPa | MPa | % | Hv |
| 1.0 | 455 | 630 | 22 | 220 |
| 4.0 | 445 | 600 | 22 | 220 |
| 6.0 | 425 | 580 | 23 | 220 |
YOUNG LUB MODULUS
| kub °C | 20 | 100 | 200 | 400 | 600 | 800 | 1000 |
| GPa | 220 | 210 | 205 | 190 | 170 | 150 | 130 |
Cov khoom siv kho tshuab ntawm qhov kub siab
| Kub thiab txias °C | 900 |
| MPa | 30 |
Qhov kawg tensile zog deformation tus nqi 6.2 x 10 /min
ZOG NTAWM KEV TXIAV - 1% KEV NTXIV HAUV 1000 H
| Kub thiab txias °C | 800 | 1000 |
| MPa | 1.2 | 0.5 |
COV KHOOM SIV LUB CEV
| Qhov ceev g/cm3 | 7.28 |
| Kev tiv taus hluav taws xob ntawm 20 ° C Ω mm / m | 1.25 |
| Poisson qhov piv | 0.30 |
Qhov kub thiab txias ntawm kev tiv taus
| Kub thiab txias °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 NTAWM THERMAL EXPANSION
| Kub thiab txias °C | Kev Nthuav Dav Kub x 106/ K |
| 20 - 250 | 11 |
| 20 - 500 | 12 |
| 20 - 750 | 14 |
| 20 - 1000 | 15 |
KEV COJ KUB HEEV
| Kub thiab txias °C | 20 |
| W/m2 K | 16 |
PEEV XWM TXHEEJ TXHEEM KUB
| Kub thiab txias °C | 20 | 200 | 400 | 600 | 800 | 1000 |
| kJ kg-1K-1 | 0.46 | 0.63 | 0.72 | 1.00 | 0.80 | 0.73 |
150 0000 2421