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聯絡資訊
Landun Building,Tianyuan District,Zhuzhou,Hunan,China
電話：86-731-28288283
傳真：86-731-28288283
tungsten-copper alloys
產品型號：Cu-W alloys
產品特色
l Description
W-Cu composite Materials are with 10-50% Cu.
l Advantage
★ High are resistance combined with good electrical conductivity
★ High thermal conductivity
★ Low thermal expansion
l Applications:
★ Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interrupters
★ Elec trodes in electric spark erosion cutting machines
★ Heat sinks as passive cooling elements of electronic devices
★ Electrodes for Resistance Welding
產品規格
Chemical composition ,physical & mechanical properties of Tungsten –Copper composites
| Class | Chemical Composition(%) | Density | Hardness | Resistivity | IACS | Bending Strength | ||
| Cu | Impurity | W | g/cm3 |
HB Kg/mm2 |
μ Ω.cm | % | Mpa | |
| WC50/Cu50 | 50±2.0 | <0.5 | balance | >11.85 | >115 | <3.2 | >54 | -- |
| WC55/Cu45 | 45±2.0 | <0.5 | balance | >12.30 | >125 | <3.5 | >49 | -- |
| WC60/Cu40 | 40±2.0 | <0.5 | balance | >12.75 | >140 | <3.7 | >47 | -- |
| WC65/Cu35 | 35±2.0 | <0.5 | balance | >13.30 | >155 | <3.9 | >44 | -- |
| WC70/Cu30 | 30±2.0 | <0.5 | balance | >13.80 | >175 | <4.1 | >42 | >790 |
| WC75/Cu25 | 25±2.0 | <0.5 | balance | >14.50 | >195 | <4.5 | >38 | >885 |
| WC80/Cu20 | 20±2.0 | <0.5 | balance | >15.15 | >220 | <5.0 | >34 | >980 |
| WC85/Cu15 | 15±2.0 | <0.5 | balance | >15.90 | >240 | <5.7 | >30 | >1080 |
| WC90/Cu10 | 10±2.0 | <0.5 | balance | >16.75 | >260 | <6.5 | >27 | >1160 |
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