AlSi70

AlSi70

Composition: Si-30%Al   


Zuoyuan hypereutectic Al-Si alloys are available 
in the form of plates,blocks,bars and tubes,or machined 
and plated components, ready formanufacturing into 
different products.

 
Product Details
Grade CTE
25℃
ppm/℃
Thermal 
Conductivity

25℃ W/mK
Density
g/cm³
Tensile 
Strength

MPa
Yield 
Strength

MPa
Poisson's 
Ratio
Elongation
%
Elastic Modulus  GPa 
AlSi70 7.5 120 2.43 138 138 0.25 <1 131


Other Designations:  Silicon aluminum alloy, Al/Si, Si-30%Al controlled expansion alloy.


Product Description:

 »  AlSi70 alloy used as carriers for sensoring,substituting Cu-W for military applications;
 »  AlSi70 microwave carrier for telecommunications;
 »  AlSi70 transmit modules carrier;
 »  AlSi70 alloy used as substrate for high-power LED;
 »  AlSi70 replacement stainless steel,used as optical housings for aerospace applications.


Applications

 »  Telecommunication;
 »  Military Industry;
 »  Aerospace. 


Advantages

 »  Low cost;
 »  High thermal conductivity;
 »  Easy to be machined, welded and plated;
 »  CTE matched to LTCC.

 
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