CMW® DSC Copper with Dispersed Aluminum Oxide

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CMW® DSC Copper with Dispersed Aluminum Oxide (discontinued **)
Categories:	Metal; Metal Matrix Composite; Nonferrous Metal; Copper Alloy
Material Notes:	CMW® DSC material is an extruded and cold worked powder metallurgy material consisting of copper and dispersed aluminum oxide. It has exceptional high temperature strength for its electrical conductivity both of which exceed the R.W.M.A Class 2 alloys. CMW® DSC is used to its best advantage when welding coated steels, such as galvanized, electo-coated, aluminized, terne plate. It's ability to resist deformation over a long period, make it a top choice for such applications particularly where extended production runs (without cap change) are required. Information provided by CMW Inc. 1
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Physical Properties	Original Value	Comments

Density	8.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	75
Tensile Strength, Ultimate	372 MPa
Tensile Strength, Yield	345 MPa
Elongation at Break	25 %
Reduction of Area	80 %
Modulus of Elasticity	123 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000203 ohm-cm	85 % IACS

Thermal Properties	Original Value	Comments
CTE, linear	19.0 µm/m-°C @Temperature 100 °C
Thermal Conductivity	345 W/m-K
Melting Point	1080 °C
Softening Point	800 °C	Permanent Softening

Component Elements Properties	Original Value	Comments
Al2O3	0.50 %
Copper, Cu	99.5 %

**
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NCMW076 / 15889

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