Nickel Chromium Resistance Alloy Resistohm 40 Resistance Ribbon Ni40cr20 onigbona ina mọnamọna
Ni40Cr20jẹ austenitic nickel-chromium alloy (NiCr alloy) fun lilo ni awọn iwọn otutu to 1100°C (2010°F). Awọn alloy ti wa ni characterized nipasẹ ga resistivity ati ti o dara ifoyina resistance. O ni o ni ti o dara ductility lẹhin lilo ati ki o tayọ weldability.
Awọn ohun elo ti o wọpọ fun Ni40Cr20 jẹ awọn igbona ibi ipamọ alẹ, awọn igbona convection, awọn rheostats iṣẹ ti o wuwo ati awọn igbona alafẹfẹ. A tun lo alloy naa fun awọn kebulu alapapo ati awọn igbona okun ni sisọ ati awọn eroja de-icing, awọn ibora ina mọnamọna ati awọn paadi, awọn ijoko ọkọ ayọkẹlẹ, awọn ẹrọ igbona ipilẹ ati awọn igbona ilẹ, awọn resistors.
OHUN OJU
| C% | Si% | Mn% | Kr% | Ni% | Fe% | |
| Iforukọsilẹ Tiwqn | Bal. | |||||
| Min | - | 1.6 | - | 18.0 | 34.0 | |
| O pọju | 0.10 | 2.5 | 1.0 | 21.0 | 37.0 |
Awọn ohun-ini ẹrọ
| Waya Iwon | Agbara ikore | Agbara fifẹ | Ilọsiwaju | Lile |
| Ø | Rρ0.2 | Rm | A | |
| mm | Mpa | MPa | % | Hv |
| 1.0 | 340 | 675 | 25 | 180 |
| 4.0 | 300 | 650 | 30 | 160 |
ASEJE ARA
| Ìwọ̀n g/cm3 | 7.90 |
| Agbara itanna ni 20°C Ω mm/m | 1.04 |
| Iwọn otutu ti o pọju ti o pọju °C | 1100 |
| Ojuami yo °C | 1390 |
| Ohun-ini oofa | Ti kii ṣe oofa |
OHUN TÍ OGBỌ̀RÒ LỌ́RỌ̀ LỌ́
| Iwọn otutu °C | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 |
| Ct | 1.03 | 1.06 | 1.10 | 1.112 | 1.15 | 1.17 | 1.19 | 1.04 | 1.22 | 1.23 | 1.24 |
Imudara ti gbigbona gbigbona
| Iwọn otutu °C | Gbona Imugboroosi x 10-6/K |
| 20-250 | 16 |
| 20-500 | 17 |
| 20-750 | 18 |
| 20-1000 | 19 |
150 0000 2421