??????? ????? ?? ???? ???? ????? ?????? ????? ???? ???????, ??? ????? ????? ???? ???? ????? ????? ????? ??????? ??????? ????? ??? ????? ?? ??? ?????? ?????: ?????, ????????? ???, CoCl2 · 6H2O ????? ?????? ??? ????? ?? ?????? ?? 40.36g / L ?? ????? CoCl2 ????? ??? ??? ????? ??????? ?? ??? ????? ????? ?? ?????? ?? ???? ???? ??????? ?????? ?????? ????? ??"? CoCl2 ??????, '?????? ?????, ????? 80% ???? ???????, ?80% ???? ??????? ????? ???? ????? ?? CoCl2 ??? ?? 2/5, ????? ????? ?????? ???? 5 ????, ?????? ????? ???? ????? ?? NaOH, NaOH ?????? ????? ????? ?? ???? ??????? ???? ??????, ?????????? ?30 ????, ???? ????? ? 2 ????, supernatant ????? ??????, ????? ????? ?? ??? ????? ???? ???????, ????? ??? 60 ~ 70 ℃ ??????? ????? ??? ?30 ?? 60 ????, ?? ?? ????? ??"? ????? Co; ????, ??????? ????? ?? ???? ??????? ???? ?????? ????? ?? Co-????? ????? ?????? ?? 5G / LCeCl3 ????? ????? ???? WC · 7H2O ?100 ~ ????? ???? ?????? 300R / ???, ?????? ?? ????? ????? 80% ???? ??????? 40ml / L ?? 80% ????? ???? ??????? ?????? ???? CeCl3 · 7H2O 0.5 ????? ????, ????? ????????? ??? ???? 30 ????, ????? ??? centrifuged, ???? ????????? ?? ????? ?? ???? ????? ???? ???????, ????? ??? ?????? ????? ??? ?70 ℃ 30 60 ~ ????; ????? ????? ???? ??????? ??????? ????? ??? ????? ????? ????? ?????.
?????? ?? ????? CeO2 ?? ???? ????? ????? ???? ??????? (WC) ??????? ????.???????? ???? ????? ???? ???? ????? ???? ?? ??? ??????? ??? ????? ????? ?? ???? ??"?.??????? ????? ?? ????? ???? ????? ????, ?????? wt% Ni-WC 0.9 +. CeO2, ???? ??????? ????? ???? ????? ???? ?????? ??? ????? ????? ??? ????? ??????. ????? ???? ?? WT 0.6%. CeO2 ????? ??????? ????? ????? ???? ?????? ??????, 30 ????? ?90 ?????, ??????, ????? ??? ???? ???????? ??????. ????? microstructural ????? ???????? ????? ????? ???????? ????????????? ????????.
????? ?? ??????? ????? ?? ??? ????? ???? ??????:
YWR2 |
12.5~13.5 |
>=1460 |
>=91 |
?????? ????? ???? ????? ???? ????? ???? ????? ????? ???? ????? ???? YW2. |
?roughing ???? ??? ?? ???? ????? ????, ???? ??? Mn, ??????? ????? ?????? ?????, ??????? ?? ???? ????? ????? ????. |
YGR7 |
14.9 |
>=1500 |
>=90 |
????? ????? ????, ????? ????, ??????? ????? ???? |
???? ????? ???? ?? ????? ???? ?????? ?????, ????? ?? ??????? ???? ?????? ??????. |
YGR8 |
14.6~14.9 |
>=1650 |
>=89.5 |
?????? ??????? ?????, ??? ?????? ?????? ????? ?YG6 ?YG8 |
????? ???? ?? ???? & lt; = Φ50mm, ????? ?? ??????? ???????? ????? ?& lt ??????; = ??????? Φ30mm ????? ??? ????, ????? ???? ?? ???????? ??? ?? largerdiameter ????? ????? ????? ????. |
Chinatungsten Online ??? ????? ?????? ????? ???????, ????? ??????? ????? ?????? ???? ???? ? 20 ????. ?? ?? ?? ????? ?????? ??????? ???? ??, ??? ?? ???? ????? ????? ???? ???????? ?? ??? : sales@chinatungsten.com