Ocsaíd hafnium grád núicléach
Cuma agus cur síos :
Ocsaíd hafniumIs é an príomh -ocsaídí de hafnium, is é an criostail bán gan bholadh agus gan blas i ngnáthchúinsí.
Ainmnigh:dé -ocsaíd hafnium | Foirmle Cheimiceach:HFO2 |
Meáchan móilíneach: 210.6 | Dlús: 9.68 g/cm3 |
Leáphointe: 2850 ℃ | Fiuchphointe: 5400 ℃ |
Iarratas :
1) amhábhair domiotail hafniumagus a chomhdhúile;
2) ábhair teasfhulangacha, bratuithe frith -radaighníomhacha, agus catalaígh speisialta;
3) Cumhdach gloine ard -neart.
Caighdeáin cháilíochta:
Caighdeán Fiontair: Tábla Comhdhéanamh Ceimiceach codán mais/% de ocsaíd hafnium grád núicléach
Grád táirge | An chéad ghrád | Dara grád | Tríú grád | Nóta | ||
Uimhir táirge | Shxlhfo2-01 | Shxlhfo2-02 | Shxlhfo2-03 |
| ||
Comhdhéanamh Ceimiceach (mais -chodán)/% | Eisíontais | Hf O.2 | ≥98 | ≥98 | ≥95 | |
Al | ≤0.010 | ≤0.010 | ≤0.020 | |||
B | ≤0.0025 | ≤0.0025 | ≤0.003 | |||
Cd | ≤0.0001 | ≤0.0001 | ≤0.0005 | |||
Cr | ≤0.005 | ≤0.005 | ≤0.010 | |||
Cu | ≤0.002 | ≤0.002 | ≤0.0025 | |||
Fe | ≤0.030 | ≤0.030 | ≤0.070 | |||
Mg | ≤0.010 | ≤0.010 | ≤0.015 | |||
Mn | ≤0.001 | ≤0.001 | ≤0.002 | |||
Mo | ≤0.001 | ≤0.001 | ≤0.002 | |||
Ni | ≤0.002 | ≤0.002 | ≤0.0025 | |||
P | ≤0.001 | ≤0.001 | ≤0.002 | |||
Si | ≤0.010 | ≤0.010 | ≤0.015 | |||
Sn | ≤0.002 | ≤0.002 | ≤0.0025 | |||
Ti | ≤0.010 | ≤0.010 | ≤0.020 | |||
V | ≤0.001 | ≤0.001 | ≤0.0015 | |||
Zr | Zr≤0.20 | 0.20 < Zr < 0.35 | 0.35 < Zr < 0.50 | |||
Igloss (950 ℃) | < 1.0 | < 1.0 | < 2.0 | |||
cáithníneach | -325Mesh≥95%,-600mesh≤35% |
Pacáistiú :
Pacáil seachtrach: bairille plaisteach; Glacann an pacáil inmheánach mála scannán plaisteach poileitiléin, meáchan glan 25kg/bairille
Teastas : Cad is féidir linn a sholáthar :