Cov hlau tiv thaiv hlua khi yog ua los ntawm Nichrome alloys, xws li Ni80Cr20, Ni60Cr15, thiab lwm yam. Nws tuaj yeem ua nrog 7 txoj hlua, 19 txoj hlua, lossis 37 txoj hlua, lossis lwm yam kev teeb tsa.
Cov hlau cua sov uas tsis muaj hlua khi muaj ntau yam zoo, xws li muaj peev xwm hloov pauv tau, ruaj khov thermal, tus cwj pwm kho tshuab, muaj peev xwm tiv taus kev co hauv lub xeev thermal thiab tiv thaiv oxidation. Nichrome Wire tsim ib txheej tiv thaiv ntawm chromium oxide thaum nws raug cua sov thawj zaug. Cov khoom siv hauv qab txheej yuav tsis oxidize, tiv thaiv cov hlau kom tsis txhob tawg lossis hlawv tawm. Vim Nichrome Wire muaj qhov tiv taus siab thiab tiv thaiv oxidation ntawm qhov kub siab, nws yog siv dav hauv cov khoom cua sov, hluav taws xob cua sov thiab cov txheej txheem kho cua sov hauv kev lag luam tshuaj lom neeg, tshuab, hlau thiab kev tiv thaiv.
| Kev Ua Tau Zoo \ Khoom Siv | Cr20Ni80 | |
| Kev sau ua ke | Ni | So |
| Cr | 20.0~23.0 | |
| Fe | ≤1.0 | |
| Qhov kub siab tshaj plaws ℃ | 1200 | |
| Meltiing point ℃ | 1400 | |
| Qhov ceev g/cm3 | 8.4 | |
| Kev tiv taus | 1.09 ± 0.05 | |
| μΩ·m, 20 ℃ | ||
| Kev ntev ntawm kev tawg | ≥20 | |
| Cov cua sov tshwj xeeb | 0.44 | |
| J/g.℃ | ||
| Kev ua kom sov tau zoo | 60.3 | |
| KJ/mh℃ | ||
| Coefficient ntawm kev nthuav dav ntawm cov kab | 18 | |
| ib × 10-6 / ℃ | ||
| (20 ~ 1000 ℃) | ||
| Cov qauv micrographic | Austenite | |
| Cov khoom sib nqus | Tsis yog hlau nplaum | |
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