Sintered lile alloy lori ipilẹ tungsten carbide

Áljẹbrà

OKO: irin.

NKAN: kiikan jẹmọ si powder Metallurgy aaye.Ni pataki o ni ibatan si gbigba alloy lile sintered lori ipilẹ ti tungsten carbide.O le ṣee lo fun awọn ẹrọ ti awọn gige, drills ati milling ojuomi.Lile alloy ni 80.0-82.0 wt% tungsten carbide ati 18.0-20.0 wt% ti abuda.Asopọmọra ni, wt%: molybdenum 48.0-50.0;niobium 1.0-2.0;rhenium 10.0-12.0;koluboti 36.0-41.0.

IPA: gbigba alloy ti o ga julọ.

Apejuwe

Awọn kiikan jẹmọ si awọn aaye ti lulú metallurgy ati fun isejade ti sintered lile alloys da lori tungsten carbide, eyi ti o le ṣee lo fun awọn ẹrọ ti cutters, drills, Mills ati awọn miiran irinṣẹ.

Carbide sintered ti a mọ ti o da lori tungsten carbide, ti o ni 3.0 si 20.0 wt.% Apapo alapapo ti o ni, wt.%: Kobalt 20.0-75.0;molybdenum - to 5.0;niobium - to 3.0 [1].

Awọn ohun ti awọn kiikan ni lati mu awọn agbara ti awọn alloy.

Abajade imọ-ẹrọ ti waye ni pe ni alloy lile sintered ti o da lori tungsten carbide ti o ni 80.0-82.0 wt.% Tungsten carbide ati 18.0-20.0 wt.% Asopọmọra, alapapọ ni, wt.%: Molybdenum 48 0-50.0;niobium 1.0-2.0, rhenium 10.0-12.0;koluboti 36.0-41.0.

Ninu tabili.1 ṣe afihan akopọ ti alloy, bakanna bi agbara ti o ga julọ ni atunse.Ninu tabili.2 ṣe afihan akojọpọ iṣan.

Tabili 1 irinše Tiwqn, wt.%: ọkan 2 3 Wolfram carbide 80.0 81.0 82.0 ìdìpọ 20,0 19.0 18.0 Bending Agbara, MPa ~ 1950 ~ 1950 ~ 1950

Tabili 2. Awọn irinše Tiwqn, wt.%: ọkan 2 3 Molybdenum 48.0 49.0 50,0 Niobium 1,0 1,5 2.0 Rhenium 10.0 11.0 12.0 koluboti 41.0 38.5 36.0

Awọn lulú ti awọn ohun elo alloy ti wa ni idapo ni awọn iwọn itọkasi, a tẹ adalu labẹ titẹ 4.5-4.8 t / cm 2 ati sintered ni ileru ina ni iwọn otutu ti 1300-1330 ° C ni igbale fun awọn wakati 7-9.Lakoko sintering, afọwọṣe tu apakan ti tungsten carbide ati yo.Abajade jẹ ohun elo ipon ti eto rẹ ni awọn patikulu carbide tungsten ti a ti sopọ nipasẹ alapapọ.

Awọn orisun alaye

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

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


Akoko ifiweranṣẹ: Oṣu Kẹta-17-2022