Nichrome karkace: dũkiyarsu da kuma aikace-aikace

Modern rayuwa shi ne ba zai yiwu ba su yi tunanin ba tare da wata babbar dama daban-daban kayan. Domin da yawa daga cikinsu Nichrome karkace ne babban part - da "zuciya" da inji. Don kayan lantarki, inji kayayyakin aiki, ikon kayayyakin amfani a cikin rayuwar yau da kullum da kuma a cikin manyan-sikelin samar, shi ne kai tsaye dogara a kan waya tare da asali gami.

description

A 1905, Amirka masanin kimiyya Albert Marsh buga hada chromium da nickel. A jadadda mallaka dabara kamar haka 20% chromium da kuma 80% nickel. A gami da aka mai suna - nichrome. Da farko, akwai wani ligation (tsaurin abubuwa) a cikin cakuda da shi a biyu-bangaren gami. A yau shi ne zai yiwu a sami bambance-bambancen karatu tare da wata nickel abun ciki na 55% da kuma chromium 15%. Impurities ne da baƙin ƙarfe, silicon, manganese, aluminum, titanium, molybdenum, silicon. Akwai fiye da goma "girke-girke" ƙarfe fall karkashin nadi na nichrome.

Nichrome karkace da ciwon wani musamman high resistivity ya zama ba makawa a bangaren dama kayan aikin da kida. Shi ne iya withstanding high zazzabi hadawan abu da iskar shaka a al'ada da kuma a lalatattu yanayin. Wannan gami yana da dukiya saboda gaban chromium, wanda Forms a farfajiya na labarin wani m oxide fim. Ta paints gami a cikin wani duhu launi. Idan ka cire (da inji mataki) oxidized Layer, tint canje-canje zuwa whitish launin toka.

Y binary gami babu Magnetic Properties, multicomponent gyare-gyare iya attenuated sigogi. Nichrome karkace ne mai karko da kuma kyau ductility. Waya ne kerarre da wani daban-daban sashe daga 0.01 zuwa 10 mm. Key siffofin sun hada da:

• lantarki resistivity - OM`m 1100-1400.
• narkewa batu zuwa 1400 darajõji (aiki kewayon - 800-1100 digiri Celsius).
• yawa - 8200-8500 kg / m ^3;
• ƙarfi - 650-700 MPa.

Abu Properties hadu da mafi fasaha da bukatun.

abũbuwan amfãni

Tall da karfi bukatar gyara daga Nichrome gami shi ne saboda da ban mamaki halaye:

• ba batun lalata.
• low nauyi.
• sauki tsari (saukin niƙe da welded).
• Yana yana high zafi juriya.
• m, kuma m a lokaci guda.
• halin da ya karu da juriya ga m muhallin.
• Yana yana da dogon sabis rayuwa.

Wani muhimmin amfani ne high jure lantarki a halin yanzu. A aikace, wannan siga damar domin m Nichrome (Nichrome karkace guntu tsawon) zuwa sama zafi fiye da, misali, da karfe memba. Bi da bi, wani karami adadin karfe iya rage nauyi da girman da dukan na'ura. Babban amfani da nichrome - mai hade da duk wadannan awo a cikin wannan abu.

jinsunan

Nichrome karkace za a iya sanya daga daban-daban gyare-gyare na gami da zama daban-daban kauri. Kan sarki ne daban-daban a cikin abun da ke ciki da kuma ya kasu (yanaye) a cikin uku main kungiyoyin:

• Resistor: H20N80 (20% chromium, 80% nickel). H20N73YUM-VI (20% chromium, 73% nickel, 3% aluminum, 1.5% molybdenum, har zuwa 0.3% manganese, har zuwa 0.05% titanium, 2% baƙin ƙarfe, har zuwa 0.05% carbon , narke injin shigar da hanyar).
• Domin amfani a yanayin zafi sama da 900 digiri.
• Domin dumama abubuwa tare da ƙara juriya high yanayin zafi: HN70YU-H (27% chromium, 70% nickel, 3% aluminum, har zuwa 0.3% manganese, har zuwa 0.03% na cesium, da kuma 0.1% na barium da kuma 1, 5% da baƙin ƙarfe, har zuwa 0.1% carbon).

A cikin rabbai na ta bijiro da batun kafa da aka gyara, kaddarorin gami dogara. A manyan yawan chromium hana hadawan abu da iskar shaka.

bigiren

Daga cikin mafi nemi bayan nichrome waya abu da dangantaka da wutar lantarki da kayayyakin kasuwar. Helix wannan gami da ake amfani a da yawa model na lantarki heaters. sana'a amfani da shi a gida don:

• inji kona itace;
• na gida Tanderu ga harbe-harben tukwane.
• m dumama na'urorin na wasu karafa a cikin smithy.
• samar da dumama sauki kayayyaki ( "awaki");
• na gida welders.

A masana'antu amfani da nickel chromium a iyali kayan yadu: na'urorin busa gashi, mari, heaters, soldering mari, lantarki da sauransu. Waya tare da babban giciye-kashi da ake amfani da atomatik waldi aikace-aikace. Irin wannan gami za a iya samu a dakin gwaje-gwaje kayan aiki da lantarki filin. Nichrome waya da ake amfani da inda ake bukata jure high yanayin zafi da kuma lalatattu yanayin.