Cov yam ntxwv tseem ceeb ntawm thermal bimetal hloov pauv nrog qhov kub thiab txias deformation, ua rau muaj qee lub sijhawm.Ntau yam khoom siv no los hloov lub zog cua sov rau hauv kev ua haujlwm txhua yam kom ua tiav kev tswj tsis siv neeg.Thermal bimetal siv rau kev tswj qhov system thiab ntsuas kub hauv qhov ntsuas. ntsuas.
khw kos npe | 5 j1480 | |
Nrog hom | 5 j18 | |
Txheej txheej hlau alloy | High expansion txheej | Ni22Cr3 |
nruab nrab txheej | ——– | |
Tsawg expansion txheej | Ni 36 |
Tshuaj muaj pes tsawg leeg
khw kos npe | Ni | Cr | Fe | Co | Cu | Zn | Mn | Si | C | S | P |
≤ | |||||||||||
Ni 36 | 35.0-37.0 Nws | - | nyiaj pub | - | - | - | ≤0.6 | ≤0.3 | 0.05 Nws | 0.02 ib | 0.02 ib |
Ni22Cr3 | 21.0-23.0 Nws | 2.0 ~ 4.0 | nyiaj pub | - | - | - | 0.3 ~ 0.6 hli | 0.15 ~ 0.3 hli | 0.25-0.35 Nws | 0.02 ib | 0.02 ib |
kev ua tau zoo
Tshaj dabtsi yog khoov K (20 ~ 135ºC) | Kub curvature F / (tsev cog khoom ~ 130 ºC) | tiv taus | Linear kub / ºC | Tso cai siv qhov kub thiab txias / ºC | Qhov ceev (g / cm3) | |||
Nominal nqi | Tso cai sib txawv | Cov nqi tsim nyog | Tso cai sib txawv | |||||
Qib 1 | Qib 2 | |||||||
14.3 | ± 5% | ± 7% | 26.2% ± 5% | 0.8 ua | ± 5% | -20 ~ 180 | -70-350 | 8.2 |
Modulus ntawm elasticity E/GPa | Hardness (HV) | Tensile zog MPa | Cia kev ntxhov siab MPa | ||
High expansion txheej | Tsawg expansion txheej | yam tsawg kawg nkaus | loj tshaj | ||
147-177 ib | 270-340 : kuv | 200-255 | 785-883 : kuv | 196 | 343 |