Ọla kọpa gburugburu NicrAlloy 180ogo klaasị mkpuchi enameled ọla kọpa

1.Material General Description

1)

Manganinbụ ihe alloy nke 84% ọla kọpa, 12% manganese, na 4% nickel.

A na-eji waya Manganin na foil na-emepụta ihe mgbochi, akpan akpan ammeter shunt, n'ihi na ọ fọrọ nke nta ka ọ bụrụ ọnụọgụ okpomọkụ nke nguzogide na nkwụsi ike ogologo oge. Ọtụtụ ndị na-emegide Manganin jere ozi dị ka ụkpụrụ iwu maka ohm na United States site na 1901 ruo 1990. A na-ejikwa waya Manganin dị ka onye na-eduzi eletrik na usoro cryogenic, na-ebelata nnyefe okpomọkụ n'etiti isi ihe chọrọ njikọ eletrik.

A na-ejikwa Manganin na nlele maka nyocha nke oke ebili mmiri dị elu (dị ka ndị sitere na mgbawa nke ihe mgbawa) n'ihi na ọ nwere mmetụta uche dị ala mana nnukwu nrụgide hydrostatic.

2)

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 n'ụdị a dị nnọọ ductile; 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 mgbanwe efu efu kwekọrọ na nlele 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. Enalled Waya Okwu Mmalite na ngwa

Ọ bụ ezie na a kọwara dị ka “enameled”, n'ezie, waya enameled adịghị, n'ezie, e jikwa akwa enamel agba ma ọ bụ enamel vitreous nke e ji ntụ ntụ iko mee. Waya magnetik ọgbara ọhụrụ na-ejikarị otu ma ọ bụ anọ n'ígwé (n'ihe gbasara ụdị waya nke quad-film) nke mkpuchi ihe nkiri polymer, na-abụkarị ihe abụọ dị iche iche, iji nye oyi akwa mkpuchi siri ike, na-aga n'ihu. A na-eji ihe nkiri mkpuchi waya magnet (iji na-abawanye oke okpomọkụ) polyvinyl formal (Formar), polyurethane, polyimide, polyamide, polyster, polyester-polyimide, polyamide-polyimide (ma ọ bụ amide-imide), na polyimide. Polyimide insulated magnet waya nwere ike ịrụ ọrụ ruo 250 Celsius. A na-agbakwunye ihe mkpuchi nke waya magnet gbara ọkpụrụkpụ ma ọ bụ akụkụ akụkụ anọ site na iji polyimide dị elu ma ọ bụ teepu fiberglass kechie ya, na windings mezuru na-abụkarị ihe na-ekpuchi ya na varnish na-ekpo ọkụ iji meziwanye ike mkpuchi na ntụkwasị obi ogologo oge nke winding.

A na-emerụ eriri igwe na-akwado onwe ya na waya ejiri opekata mpe abụọ kpuchie ya, nke kachasị bụ thermoplastic nke na-ejikọta ntụgharị ọnụ mgbe ọkụ.

Ụdị mkpuchi ndị ọzọ dị ka fiberglass yarn na varnish, akwụkwọ aramid, akwụkwọ kraft, mica, na ihe nkiri polyester na-ejikwa n'ofe ụwa maka ngwa dị iche iche dị ka ihe ntụgharị na reactors. Na mpaghara ọdịyo, a pụrụ ịchọta waya nke ihe owuwu ọlaọcha, na ihe ndị ọzọ dị iche iche, dị ka owu (mgbe ụfọdụ a na-ejikọta ya na ụdị coagulating / thickener, dị ka beeswax) na polytetrafluoroethylene (PTFE). Ihe mkpuchi ochie gụnyere owu, akwụkwọ, ma ọ bụ silk, mana ndị a bara uru naanị maka ngwa okpomọkụ dị ala (ruo 105ºC).

Maka ịdị mfe n'ichepụta, ụfọdụ waya magnet dị ala nwere mkpuchi nke enwere ike wepu ya site na ọkụ nke ire ere. Nke a pụtara na enwere ike ịme njikọ eletrik na nsọtụ n'ebughị ụzọ wepụ ihe mkpuchi ahụ.

3.Chemical Composition na Main Property nke Cu-Ni Low Resistance Alloy