Mombamomba ny vokatra
IRETOtariby fanoherana misy enamels dia efa nampiasaina betsaka ho an'ny resistor mahazatra, fiara
kojakoja, resistors amin'ny hodi-by, sns. mampiasa ny fanodinana insulation izay mety indrindra amin'ireo fampiharana ireo, ka manararaotra tanteraka ireo endri-javatra miavaka amin'ny coating enamel.
Ankoatra izany, dia hanao "ename coating" insulation amin'ny tariby metaly sarobidy toy ny volafotsy sy platina izahay rehefa manafatra. Azafady ampiasao ity "production-on-command" ity.
Karazana tariby Nichrome
NiCr80/20,NiCr70/30,NiCr60/15,NiCr90/10,NiCr35/20,NiCr30/20
Karazana Insulation
| Anarana misy enamel insulation | Haavo mafana ºC (fotoana fiasana 2000h) | Anaran'ny kaody | Kaody GB | KARAZANA ANSI |
| Tariby polyurethane enamelled | 130 | UEW | QA | MW75C |
| Tariby polyester enamelled | 155 | dabilio | QZ | MW5C |
| Tariby polyester-imide enamelled | 180 | EIW | QZY | MW30C |
| Tariby misy enamel roa sosona vita amin'ny polyester-imide sy polyamide-imide | 200 | EIWH(DFWF) | QZY/XY | MW35C |
| Tariby polyamide-imide enamelled | 220 | AIW | QXY | MW81C |
Votoaty simika (%)
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Hafa |
| Farafahakeliny | |||||||||
| 0.03 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 20.0~23.0 | Bala. | 0.50 farafahabetsany | 1.0 fara-fahabetsany | - |
Toetra mekanikan'ny tariby nichrome
| Mari-pana ambony indrindra amin'ny serivisy mitohy: | 1200ºC |
| Resisivity 20ºC: | 1.09 ohm mm2/m |
| Hakitroky: | 8.4 g/sm3 |
| Fitondran-tena mafana: | 60.3 KJ/m·h·ºC |
| Koefficientan'ny Fitomboana Mafana: | 18 α×10-6/ºC |
| Teboka mitsonika: | 1400ºC |
| Fanalavana: | Farafahakeliny 20% |
| Rafitra mikrôgrafika: | Austenita |
| Toetra andriamby: | tsy andriamby |
Ireo anton-javatra momba ny mari-pana amin'ny fanoherana herinaratra
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
Karazana tariby firaka miboridana
Ny firaka azontsika atao amin'ny enamel dia tariby firaka varahina-nikela, tariby Constantan, tariby Manganin. Tariby Kama, tariby firaka NiCr, tariby firaka FeCrAl sns.
| fananana lehibe karazana | Cuni1 | CuNI2 | CuNI6 | CuNi8 | CuNI10 | CuNi14 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNI44 | ||
| simika fototra fifehezan | Ni | 1 | 2 | 6 | 8 | 10 | 14.2 | 19 | 23 | 30 | 34 | 44 | |
| MN | / | / | / | / | / | 0.3 | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 | ||
| CU | HAFA | HAFA | HAFA | HAFA | HAFA | HAFA | HAFA | HAFA | HAFA | HAFA | HAFA | ||
| maxworking hafanana | / | 200 | 220 | 250 | 250 | 300 | 300 | 300 | 350 | 350 | 400 | ||
| hakitroky/sm3 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | ||
| fanoherana amin'ny 20 °c | 0.03 ± 10% | 0.05±10% | 0.10±10% | 0.12±10% | 0.15±10% | 0.20±5% | 0.25±5% | 0.30±5% | 0.35±5% | 0.40±5% | 0.49±5% | ||
| koefisienan'ny mari-pana fanoherana | <100 | <120 | <60 | <57 | <50 | <38 | <25 | <16 | <10 | -0 | <-6 | ||
| tanjaka mihenjana mpa | >210 | >220 | >250 | >270 | >290 | >310 | >340 | >350 | >400 | >400 | >420 | ||
| fanalavana | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | ||
| teboka fandrendrehana °c | 1085 | 1090 | 1095 | 1097 | 1100 | 1115 | 1135 | 1150 | 1170 | 1180 | 1280 | ||
| koefisienan'ny fitarihana | 145 | 130 | 92 | 75 | 59 | 48 | 38 | 33 | 27 | 25 | 23 |