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ATTL is the domestic invention unit of molybdenum-copper material and the drafting unit of tungsten-copper industry standard. Our company has been developing and producing molybdenum-copper since the 1960s, and has developed several supporting materials of molybdenum-copper material system. We have rich experience in R&D and production, and our product quality and technology keep leading level. ATTL has passed ISO9001, 14001 and OHSAS18001 system certification, can provide you with qualified products.
As a pseudo-alloy, Mo-Cu alloy is composed of molybdenum and copper that not melt in solid solution, and integrated each others. It is characterized by high thermal conductivity, low and adjustable coefficient of thermal expansion, non-magnetic, low gas content, good vacuum performance, good machining ability and outstanding properties in high temperature. It is widely used in machinery, electric power, electronics, electric vehicle，metallurgy and other industries
Typical applications are as below:
? ?Power amplifier heat spreader material.
? ?Radio base station in telecommunications
? ?Heat spreader on electronic devices
? ?Electrode used in electric resistance welding electrodes
? ?Electrode used in electric resistance welding electrodes
? ?Electronic packaging materials and heat sink materials
? ?IGBT modules for electric vehicle motors (EV/HEV)
? ?Lead frame with high performance
? ?Thermal control plates and heat spreader
| Materials | ?wt% | Density | CTE | Thermal Conductivity | |
| Cu | Mo | g/cm3 | 10-6/K | W/M·K | |
| Mo90Cu10 | 10±1 | Balance | 10 | 5.6 | 150-160 |
| Mo85Cu15 | 15±1 | Balance | 9.93 | 6.8 | 160-180 |
| Mo80Cu20 | 20±1 | Balance | 9.9 | 7.7 | 170-190 |
| Mo70Cu30 | 30±1 | Balance | 9.8 | 8.1 | 180-200 |
| Mo60Cu40 | 40±1 | Balance | 9.66 | 10.3 | 210-250 |
| Mo50Cu50 | 50±1 | Balance | 9.54 | 11.5 | 230-270 |
| Mo40Cu60 | 40 ±0.2 | Balance | 9.42 | 11.8 | 280 – 290 |
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