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Contact Baienwei

Address: No. 13, Baofu Road, Tianbao Industrial District, Baodi, Tianjin,China.

TEL: 86-22-29291825

FAX: 86-22-29291821

Email: alsi@baienwei.com

Website: http://www.alsi-alloys.com

Microwave Amplifiers

Microwave Amplifiers
Our company provides a wide range of Al-Si alloy which are composed of silicon-aluminum and by adjusting the proportions of these two constituents, the coefficient of thermal expansion (CTE) can be controlled to any pre-selected value between 6 and 17 ppm/℃. For example,Al-50Si controlled expansion microwave ampliers for satellite application.
Product Details

Tianjin Baienwei(BEW) company manufactures a wide range of Al-Si controlled expansion alloy products which possess the lightweight-low expansion-high thermal conductivity features,such as the microwave amplifier for satellite applications.


Tianjin Baienwei New Material Technology Co.,Ltd offers a family of lightweight, controlled expansion, Si/Al alloys in the form of machined carriers and housings. Typical uses include high performance devices, circuit and system level packages(SIP) for applications in defence, aerospace, space, communications, radar and other leading-edge industries. These materials are produced using our proprietary rapid solidification technology, which has been used for the manufacture of many advanced materials,so as to reduce the material weight,enhance the performance,maximize your profit and saving and keep environmental safety.


Advantages of controlled expansion Al-50%Si controlled expansion alloy amplier housings:

● Higher thermal conductivity;

● 1/3 the weight;

● Substituting the Kovar microwave module;

● Fewer manufacturing steps;


The Al-Si controlled expansion alloys' key properties:

 Content

wt%

Density
g/cm³

CTE
ppm/℃

Thermal 

      Conductivity
           W/m-K

Tensile Strength
MPa

Yield Strength
MPa

Poisson's Ratio

Elongation
%

Elastic Modulus
GPa

Al-27%Si

2.6

17

175

170

130

0.29

3.8

91

Al-42%Si

2.55

13.5

143

200

187

0.29

1

105

Al-50%Si

2.5

11.5

140

220

210

0.28

<1

108

Si-40%Al

2.46

9

125

181

181

0.27

<1

121

Si-30%Al

2.43

7.5

120

138

138

0.25

<1

131

Si-20%Al

2.40

6

110

125

125

--

--

132


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