Spiral Electric Resistor Nicr Alloy 1 - 5 Mohm Maka ihe ndị na-ekpo ọkụ ikuku.
1.Material General Description
Constantanbụ ọla kọpa-nickel alloy nke a makwaara dị kaEureka,Ọganihu, naỤgbọ mmiri. Ọ na-enwekarị 55% ọla kọpa na 45% nickel. Isi ihe ya bụ resistivity, nke na-adịgide adịgide n'elu oke okpomọkụ. A na-amata alloys ndị ọzọ nwere oke okpomọkụ dị ala, dị ka manganin (Cu86Mn12Ni2).
Maka nleba ụdị ụdị dị ukwuu, 5% (50 000 microstrian) ma ọ bụ karịa, annealed constantan (P alloy) bụ ngwa grid a na-ahọrọkarị. Constantan na ụdị a bụ nnọọductile; na, n'ogologo nlele nke 0.125 inch (3.2 mm) na ogologo, enwere ike ịgbanye ruo>20%. Okwesiri iburu n'uche na n'okpuru nnukwu cyclic strains P alloy ga-egosipụta mgbanwe mgbanwe na-adịgide adịgide na okirikiri nke ọ bụla, ma mee ka ihe kwekọrọ na ya.efugbanwee n'ụdị nlele. N'ihi njirimara a, yana ọchịchọ nke ọdịda grid akaghi aka site na nrụgide ugboro ugboro, P alloy anaghị akwadokarị maka ngwa nje cyclic. P alloy dị na nọmba STC nke 08 na 40 maka iji ọla na plastik mee, n'otu n'otu.
2. Mmalite oge opupu ihe ubi na ngwa
Isi iyi torsion spiral, ma ọ bụ ntutu isi, na elekere mkpu.
Mmiri mmiri. N'okpuru mkpakọ, eriri igwe na-adakwasị ibe ya, na-enye ohere njem ogologo.
Isi iyi nke tankị Stuart kwụ ọtọ
Esemokwu na-apụta n'ime ngwaọrụ ntụgharị ahịrị apịaji.
Ogwe torsion gbagọrọ agbagọ n'okpuru ibu
Akwụkwọ mmiri na gwongworo
Enwere ike kewaa isi iyi dabere ka esi etinye ike ibu na ha:
Mmiri nkwụsi ike / ndọtị - a na-eme ka mmiri na-arụ ọrụ na-arụ ọrụ na-akpata nrụgide, ya mere mmiri na-agbatị ka a na-etinye ibu na ya.
Mmiri mkpakọ - emebere ya ka ọ rụọ ọrụ na ibu mkpakọ, ya mere mmiri na-adị mkpụmkpụ ka a na-etinye ibu na ya.
Mmiri Torsion - n'adịghị ka ụdị ndị dị n'elu nke ibu ahụ bụ ike axial, ibu a na-etinye na mmiri mmiri na-agbagharị agbagharị ma ọ bụ na-agbagọ agbagọ, na njedebe nke mmiri na-atụgharị site na nkuku ka a na-etinye ibu.
Mmiri na-adịgide adịgide - ibu akwadoro na-anọgide na-abụ otu ihe n'oge usoro ntụgharị.
Mmiri na-agbanwe agbanwe - nguzogide nke eriri igwe na-ebu ibu dịgasị iche n'oge mkpakọ.
Mmiri isi ike na-agbanwe agbanwe - nguzogide nke eriri igwe iji buru ibu nwere ike ịdị iche iche dịka ọmụmaatụ site na sistemụ njikwa, ụfọdụ ụdị isi iyi ndị a na-adịgasịkwa ogologo ogologo ha si otú a na-enye ike ịme ihe.
Enwere ike kewaa ha dabere na ọdịdị ha:
Mmiri dị larịị - ụdị a na-eji ígwè mmiri dị larịị.
Igwe mmiri a na-emepụta - ụdị mmiri a bụ nke a na-emepụta site na igwe igwe na-arụ ọrụ lathe na/ma ọ bụ igwe igwe kama ịrụ ọrụ mkpuchi. Ebe ọ bụ na a na-arụ ya, mmiri ahụ nwere ike ịgụnye atụmatụ na mgbakwunye na ihe na-agbanwe. Enwere ike ịme isi iyi nke igwe na-ahụkarị n'ọnọdụ mkpakọ / ndọtị, torsion, wdg.
Mmiri serpentine - zig-zag nke waya siri ike - nke a na-ejikarị eme ihe na akwa akwa/arịa ọgbara ọhụrụ.
3.Chemical Composition na Main Property nke Cu-Ni Low Resistance Alloy
Ọkwa Njirimara | CuNi1 | CuNi2 | CuNi6 | CuNi8 | CuMn3 | CuNi10 | |
Isi ihe mejupụtara kemịkalụ | Ni | 1 | 2 | 6 | 8 | _ | 10 |
Mn | _ | _ | _ | _ | 3 | _ | |
Cu | Bal | Bal | Bal | Bal | Bal | Bal | |
Okpomọkụ na-aga n'ihu nke ukwuu (oC) | 200 | 200 | 200 | 250 | 200 | 250 | |
Resistivity na 20oC (Ωmm2/m) | 0.03 | 0.05 | 0.10 | 0.12 | 0.12 | 0.15 | |
Njupụta (g/cm3) | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.9 | |
Nrụpụta ọkụ (α×10-6/oC) | <100 | <120 | <60 | <57 | <38 | <50 | |
Ike Tensile (Mpa) | ≥210 | ≥220 | ≥250 | ≥270 | ≥290 | ≥290 | |
EMF vs Cu (μV/oC) (0 ~ 100oC) | -8 | -12 | -12 | -22 | _ | -25 | |
Ebe mgbaze ihe (oC) | 1085 | 1090 | 1095 | 1097 | 1050 | 1100 | |
Ọdịdị Micrographic | austenite | austenite | austenite | austenite | austenite | austenite | |
Ihe onwunwe magnetik | mba | mba | mba | mba | mba | mba | |
Ọkwa Njirimara | CuNi14 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNi44 | |
Isi ihe mejupụtara kemịkalụ | Ni | 14 | 19 | 23 | 30 | 34 | 44 |
Mn | 0.3 | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 | |
Cu | Bal | Bal | Bal | Bal | Bal | Bal | |
Okpomọkụ na-aga n'ihu nke ukwuu (oC) | 300 | 300 | 300 | 350 | 350 | 400 | |
Resistivity na 20oC (Ωmm2/m) | 0.20 | 0.25 | 0.30 | 0.35 | 0.40 | 0.49 | |
Njupụta (g/cm3) | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
Nrụpụta ọkụ (α×10-6/oC) | <30 | <25 | <16 | <10 | <0 | <-6 | |
Ike Tensile (Mpa) | ≥310 | ≥340 | ≥350 | ≥400 | ≥400 | ≥420 | |
EMF vs Cu (μV/oC) (0 ~ 100oC) | -28 | -32 | -34 | -37 | -39 | -43 | |
Ebe mgbaze ihe (oC) | 1115 | 1135 | 1150 | 1170 | 1180 | 1280 | |
Ọdịdị Micrographic | austenite | austenite | austenite | austenite | austenite | austenite | |
Ihe onwunwe magnetik | mba | mba | mba | mba | mba | mba |