Applications Of Novel Silicon Aluminum Alloys

Applications Of Novel Silicon Aluminum Alloys
Chat Now
Product Details

Tianjin Baienwei New Material Technology Co.,Ltd deals with the advanced silicon aluminum alloy raw materials,these silicon aluminum(Al-Si) alloys can be used in electronic packages,aerospace and military industries.You will find the below applications:



Baienwei AlSi Alloys

Si content
%

 

CTE
ppm/

 

Applications

 

Main Benefits

 

Substitute Material

AlSi27

27%

17

Circuit board stiffener;
heat sinks and heat spreades for telecommunication;

Weight reduction;
High thermal conductivity;
Readily plating(Ni/Al)and machining
Relatively lower comparable cost with copper/Kovar

Copper and Kovar

AlSi27

27%

17


PCBs carriers plates

AlSi27 alloy CTE match to PCBs;
High thermal conductivity;
Lower weight and overall cost;
Readily machining and plating

Copper and stainless steel

AlSi42

42%

13

Radar housings;
Laser mirror;

Advanced CTE match to circuitry;
High thermal conductivity;
Ease of machining and plating(laser welded with Ni/Au)
Good hermetically;
Dimensional stability

Aluminum or Copper

AlSi50

50%

11

Substrates for microwave and RF circuits;
Transmit and receive modules;
Microwave amplifier housings;
Radar packages

Comparable higher thermal conductivity;
Lower overall cost due to dispense with Cu-Mo inserts;
Excellent Hermetically;
Manufacturability(plating and machining)

Titanium

AlSi60

60%

9

Power and laser packaging

Improved CTE match to circuit board or component;
High thermal conductivity;
Dimensional stability,flatness;
Excellent laser welding process;
High specific stiffness

Titanium;
LTCC

AlSi70

70%

7

High-power LED substrates;
Microwave carriers for telecommunications

Low CTE;
High thermal conductivity;
Lower overall cost than Cu-W

Alumina;
Beryllia;
Cu-W

AlSi70

70%

7

Optical housings for aerospace applications;
Carriers for sensor in military applications;

Low CTE suit to components and stable with temperature;
High thermal conductivity;
Stiffness;
Good hermeticity;
Readily machining and plating(Au/Ti/Ni etc)

Stainless steel;Cu-Mo


Raw Materials of Al-Si alloys:


image_1479102973_Fiber Optic & Telecom Package


1-150911134F6211

Feedback