Kopa Tungsten
Fa'amatalaga o le oloa
Fa'ailoga o Oloa
E ofoina atu e Ningbo De-Shin se laina atoa o le tungsten kopa (6~50wt.% Cu) mo vaega eseese o faʻaoga tau alamanuia. E manaʻomia le faiga faʻapitoa o le faʻasusuina o le vacuum ma o oloa uma e ausia tulaga manaʻomia o le GB/T 8320-2003, ASTM B 702-93 (Toe faʻamaonia 2004). O le tungsten kopa o se pseudo-alloy ma e iai le gafatia e teteʻe atu ai i le ofuina o le tungsten ma le maualuga o le eletise e pei o le kopa.
Faiga o le gaosiga:paluga pauta –> lomitusi –> sintering –> vacuum infiltration –> masini –> QC. O nei faiga gaosiga uma e pulea lelei e le QC ina ia mautinoa le lelei o le faatinoga.
Fa'amanuiaga:
1. Tete'e maualuga i le arc fa'atasi ai ma le lelei o le fa'atinoina o le eletise.
2. Maualuga le fa'avevela.
3. Fa'alauteleina maualalo o le vevela.
Talosaga:
1. Fa'apipi'iina o feso'ota'iga fa'a-arcing ma feso'ota'iga vaccum i totonu o pemutusega eletise maualuga ma feololo po'o vaccum interruptors.
2. Electrodes i masini tipi e fa'aumatia ai le aloiafi eletise.
3. Fa'ata'ita'iga o le Oloa! O mea fa'amāfanafana e fai ma elemene fa'amālūlū e le gaoioi ai masini eletise ma mea e afifi ai mea eletise.
4. Electrodes mo le fa'avevela tete'e.
Tele o oloa:
O le u'amea tungsten kopa: lautele≥0.5mm; umi≤300mm.
Ipu tungsten kopa: mafiafia≥1.0mm; umi & lautele≤300mm.
| vasega | Fa'atulagaga Fa'akemikolo (wt%) | Mafiafia | Faigata | Tete'e | IACS | Malosiaga o le Pi'o | ||
| Cu | Aofa'i o Mea Leaga≤ | W | kalama/cm3 ≥ | HB Kgf/mm2 ≥ | μΩ.cm ≤ | % ≥ | MPa ≥ | |
| W50/Cu50 | 50±2.0 | 0.5 | Paleni | 11.85 | 115 | 3.2 | 54 | – |
| W55/Cu45 | 45±2.0 | 0.5 | Paleni | 12.30 | 125 | 3.5 | 49 | – |
| W60/Cu40 | 40±2.0 | 0.5 | Paleni | 12.75 | 140 | 3.7 | 47 | – |
| W65/Cu35 | 35±2.0 | 0.5 | Paleni | 13.30 | 155 | 3.9 | 44 | – |
| W70/Cu30 | 30±2.0 | 0.5 | Paleni | 13.80 | 175 | 4.1 | 42 | 790 |
| W75/Cu25 | 25±2.0 | 0.5 | Paleni | 14.50 | 195 | 4.5 | 38 | 885 |
| W80/Cu20 | 20±2.0 | 0.5 | Paleni | 15.15 | 220 | 5.0 | 34 | 980 |
| W85/Cu15 | 15±2.0 | 0.5 | Paleni | 15.90 | 240 | 5.7 | 30 | 1080 |
| W90/Cu10 | 10±2.0 | 0.5 | Paleni | 16.75 | 260 | 6.5 | 27 | 1160 |








