Soo Koobid
GOOBTA: birta.
WALXA: ikhtiraacida waxay la xiriirtaa goobta birta budada ah. Gaar ahaan waxay la xiriirtaa helitaanka birta adag ee sintered iyadoo lagu saleynayo carbide tungsten. Waxaa loo isticmaali karaa soo saarista goynta, qodayaasha iyo jarista shiididda. Daawaha adag wuxuu ka kooban yahay 80.0-82.0 wt % tungsten carbide iyo 18.0-20.0 wt % ee xidhitaanka. Xidhmadu waxay ka kooban tahay, wt %: molybdenum 48.0-50.0; niobium 1.0-2.0; rhenium 10.0-12.0; cobalt 36.0-41.0.
SAAMAYN: helitaanka daawaha xoogga sare leh.
Sharaxaad
Ikhtiraacani wuxuu la xiriiraa cilmiga birta budada ah iyo soo saarista birta adag ee sintered-ka ah ee ku salaysan tungsten carbide, taas oo loo isticmaali karo soo saarista qalabka jarista, qodista, warshadaha iyo qalabka kale.
Karbohaydrayt la yaqaan oo ku salaysan tungsten carbide, oo ka kooban 3.0 ilaa 20.0 wt.% Aaladda isku xidhka oo ka kooban, wt.%: Cobalt 20.0-75.0; molybdenum - ilaa 5.0; niobium - ilaa 3.0 [1].
Ujeedada ikhtiraacida waa in la kordhiyo xoogga dahaarka.
Natiijada farsamada waxaa lagu gaaraa iyadoo lagu sameeyay bir adag oo sintered ah oo ku salaysan tungsten carbide oo ka kooban 80.0-82.0 wt.% Tungsten carbide iyo 18.0-20.0 wt.% Binder, bir-xidhuhu wuxuu ka kooban yahay, wt.%: Molybdenum 48 0-50.0; niobium 1.0-2.0, rhenium 10.0-12.0; cobalt 36.0-41.0.
Shaxda. 1 waxay muujinaysaa isku-dhafka dahaarka, iyo sidoo kale xoogga ugu dambeeya ee foorarsiga. Shaxda. 2 waxay muujinaysaa isku-dhafka seedaha.
Shaxda 1 Qaybaha Halabuurka, boqolkiiba boqol: hal 2 3 Wolfram carbide 80.0 81.0 82.0 Koox 20,0 19.0 18.0 Xoogga Laabista, MPa ~ 1950 ~ 1950 ~ 1950
Shaxda 2. Halabuurka Qaybaha, boqolkiiba boqol: hal 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 isku-darka ah waxaa lagu qasi karaa saamiga la tilmaamay, isku-darka waxaa lagu cadaadiyaa cadaadis ah 4.5-4.8 t / cm 2 waxaana lagu shubaa foorno koronto ah heerkul ah 1300-1330 ° C faakiyuum muddo 7-9 saacadood ah. Inta lagu jiro sintering, binder-ku wuxuu milmaa qayb ka mid ah carbide-ka tungsten wuxuuna dhalaalaa. Natiijadu waa walax cufan oo qaab-dhismeedkeedu ka kooban yahay walxo carbide tungsten ah oo ku xiran binder.
Ilo macluumaad
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
