Round Copper Based NicrChigawo cha 180digiri Class Class Insulated Enameled Copper Wire

1.Kufotokozera Kwazinthu Zazikulu

1)

Manganindi aloyi wa 84% yamkuwa, 12% manganese, ndi 4% nickel.

Waya wa Manganin ndi zojambulazo zimagwiritsidwa ntchito popanga zopinga, especiallyl ammeter shunt, chifukwa cha kutentha kwake pafupifupi ziro coefficient of resistance ndi kukhazikika kwa nthawi yayitali. Manganin resistors angapo adakhala ngati muyezo walamulo wa ohm ku United States kuyambira 1901 mpaka 1990. Manganin wire amagwiritsidwanso ntchito ngati kondakitala wamagetsi mu machitidwe a cryogenic, kuchepetsa kutentha kwapakati pakati pa mfundo zomwe zimafuna kulumikizidwa kwa magetsi.

Manganin amagwiritsidwanso ntchito poyesa mafunde amphamvu kwambiri (monga omwe amapangidwa kuchokera kuphulika kwa zophulika) chifukwa ali ndi mphamvu yocheperako koma imakhudzidwa kwambiri ndi hydrostatic pressure sensitivity.

2)

Constantanndi aloyi yamkuwa-nickel yomwe imadziwikanso kutiEureka, Patsogolo,ndiBwato. Nthawi zambiri imakhala ndi 55% yamkuwa ndi 45% nickel. Mbali yake yayikulu ndi resistivity yake, yomwe imakhala yosasinthasintha pa kutentha kwakukulu. Ma aloyi ena okhala ndi ma coefficients otsika omwewo amadziwika, monga manganin (Cu₈₆Mn₁₂Ni₂).

Pakuyezera mitundu yayikulu kwambiri, 5% (50 000 microstrian) kapena kupitilira apo, annealed constantan (P alloy) ndiye gridi yosankhidwa nthawi zambiri. Constantan mu mawonekedwe awa ndi ductile kwambiri; ndipo, mu gauge kutalika kwa 0.125 mainchesi (3.2 mm) ndi utali, akhoza kusefa ku> 20%. Ziyenera kukumbukiridwa, komabe, kuti pansi pa zovuta zazikulu za cyclic alloy P amawonetsa kusintha kokhazikika kokhazikika ndikuzungulira kulikonse, ndikupangitsa kusintha kwa zero kofananira mu geji ya strain. Chifukwa cha chikhalidwe ichi, komanso chizolowezi cholephera kufulumira kwa gridi ndikusefa mobwerezabwereza, P alloy nthawi zambiri samalimbikitsidwa kuti agwiritse ntchito ma cyclic strain. P alloy imapezeka ndi manambala a STC a 08 ndi 40 kuti agwiritsidwe ntchito pazitsulo ndi mapulasitiki, motsatana.

2. Enamelled Waya Chiyambi ndi ntchito

Ngakhale amafotokozedwa kuti "enameled", waya wa enameled sikuti amakutidwa ndi utoto wa enamel kapena vitreous enamel yopangidwa ndi ufa wagalasi wosakanikirana. Waya wamakono wa maginito nthawi zambiri umagwiritsa ntchito gawo limodzi kapena zinayi (ngati waya wamtundu wa quad-film) wa insulation ya filimu ya polima, yomwe nthawi zambiri imakhala yamitundu iwiri yosiyana, kuti ikhale yolimba, yosalekeza. Makanema oteteza waya wa maginito amagwiritsa ntchito (kuti awonjezere kutentha) polyvinyl formal (Formar), polyurethane, polyimide, polyamide, polyster, polyester-polyimide, polyamide-polyimide (kapena amide-imide), ndi polyimide. Waya wa maginito wa polyimide amatha kugwira ntchito mpaka 250 ° C. Kutsekemera kwa waya wokulirapo kapena maginito amakona anayi nthawi zambiri kumakulitsidwa ndi kukulunga ndi tepi yotentha kwambiri ya polyimide kapena fiberglass, ndipo ma windings omalizidwa nthawi zambiri amalowetsedwa ndi varnish yotchinga kuti apititse patsogolo mphamvu zotchingira komanso kudalirika kwanthawi yayitali.

Mapiritsi odzithandizira okha amavulazidwa ndi waya wokutidwa ndi zigawo ziwiri zosachepera, chakunja chake ndi thermoplastic chomwe chimagwirizanitsa matembenuzidwewo chikatenthedwa.

Mitundu ina yotchinjiriza monga ulusi wa fiberglass wokhala ndi vanishi, pepala la aramid, pepala la kraft, mica, ndi filimu ya poliyesitala imagwiritsidwanso ntchito padziko lonse lapansi pazinthu zosiyanasiyana monga zosinthira ndi ma reactor. M'gawo la audio, waya wa zomangamanga zasiliva, ndi zotetezera zina zosiyanasiyana, monga thonje (nthawi zina zodzaza ndi mtundu wina wa coagulating agent / thickener, monga phula) ndi polytetrafluoroethylene (PTFE) angapezeke. Zipangizo zakale zotchinjiriza zinali ndi thonje, mapepala, kapena silika, koma izi ndizothandiza pakugwiritsa ntchito kutentha kochepa (mpaka 105 ° C).

Kuti apange mosavuta, mawaya ena amagetsi otsika kwambiri amakhala ndi zotsekera zomwe zimatha kuchotsedwa ndi kutentha kwa soldering. Izi zikutanthauza kuti kulumikizana kwamagetsi kumapeto kumatha kupangidwa popanda kuvula kaye kutchinjiriza.

3.Chemical Composition ndi Main Property ya Cu-Ni Low Resistance Alloy