Daawaha adag ee la sintered oo ku salaysan tungsten carbide

Abstract

BEESHA: Biraha.

SHABAD: hal-abuurku waxa uu la xidhiidhaa goobta birta birta ah ee budada ah.Gaar ahaan waxay la xiriirtaa helitaanka daawaha adag ee sintered ee ku salaysan tungsten carbide.Waxaa loo isticmaali karaa soo saarista gooyayaasha, laylisyada iyo jarjarayaasha.Daawaha adag wuxuu ka kooban yahay 80.0-82.0 wt % tungsten carbide iyo 18.0-20.0 wt % ee xidhitaanka.Isku-xidhka ayaa ka kooban, wt %: molybdenum 48.0-50.0;niobium 1.0-2.0;rhenium 10.0-12.0;kobalt 36.0-41.0.

SAAMAYN: helitaanka daawaha xoogga sare leh.

Sharaxaada

Hal-abuurku waxa uu la xidhiidhaa dhinaca biraha budada ah iyo soo saarista alliyada adag ee sintered ee ku salaysan tungsten carbide, taas oo loo isticmaali karo soo saarista qalabka wax lagu gooyo, laylisyada, mishiinka iyo qalabyada kale.

Carbiide sinteed la yaqaan oo ku salaysan tungsten carbide, oo ka kooban 3.0 ilaa 20.0 wt.% Alloy binder ka kooban, wt.%: Cobalt 20.0-75.0;molybdenum - ilaa 5.0;niobium - ilaa 3.0 [1].

Hadafka la alifay waa in la kordhiyo xoogga daawaha.

Natiijooyinka farsamada waxaa lagu gaaraa in daawaha adag ee sintered oo ku salaysan tungsten carbide oo ka kooban 80.0-82.0 wt.% Tungsten carbide iyo 18.0-20.0 wt.% Binder, binder ka kooban yahay, wt.%: Molybdenum 48 0-50.0;niobium 1.0-2.0, rhenium 10.0-12.0;kobalt 36.0-41.0.

Miiska dhexdiisa.1 wuxuu muujinayaa halabuurka daawaha, iyo sidoo kale xoogga ugu dambeeya ee foorarsiga.Miiska dhexdiisa.2 waxay muujinaysaa halabuurka seedaha.

Shaxda 1 Qaybaha Halabuurka, wt.%: hal 2 3 Wolfram carbide 80.0 81.0 82.0 farabadan 20,0 19.0 18.0 Xoog qalooca, MPa ~ 1950 ~ 1950 ~ 1950

Shaxda 2. Qaybaha Halabuurka, wt.%: mid 2 3 Molybdenum 48.0 49.0 50,0 Niobium 1,0 1,5 2.0 Rhenium 10.0 11.0 12.0 Cobalt 41.0 38.5 36.0

Budada qaybaha daawaynta ayaa lagu qasi karaa qiyaasta la tilmaamay, isku dar ah ayaa lagu cadaadiyaa cadaadiska 4.5-4.8 t / cm 2 oo lagu dhajiyay foornada korantada ee heerkulka 1300-1330 ° C faakuumka saacadaha 7-9.Inta lagu guda jiro sintering, xidhehu wuxuu milaan qayb ka mid ah carbide tungsten oo dhalaalay.Natiijadu waa walxo cufan oo qaab-dhismeedkoodu ka kooban yahay qaybo carbide tungsten ah oo ku xiran binder.

Ilaha macluumaadka

1. GB 1085041, C22C 29/06, 1967.

https://patents.google.com/patent/RU2351676C1/en?q=tungsten+carbide&oq=tungsten+carbide+


Waqtiga boostada: Juun-17-2022