Product Description


Material: Al-Si Alloys

Baienwei adopts rapid solidification and subsequent machining technology, offering a series of electronic packaging services,including R&D,production,subsequent machining and plating.


Product Info

Minorder 1

Product Detail

Product Description 

  • Semiconductor manufacturing equipment;
  • Electrical power system;
  • DC converter;
  • Other electronic components.


Selectable Silicon Aluminum(Si/Al) Alloys

  • AlSi50(Al-50%Si controlled expansion alloy);
  • AlSi70(Si-30%Al controlled expansion alloy).


Advantages

  • High thermal conductivity; 
  • Low density;
  • Excellent processability;
  • CTE match to circuit board and assembly components.


AlSi Alloys Performance Parameters

Content

wt%

  Density  

g/cm³

CTE 

25℃

ppm/℃

Thermal 

Conductivity

25℃ W/mK

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

200

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

Content

Density

g/cm³

  CTE   

 ppm/℃

    Thermal      Conductivity   W/mKTensile  Strength MPaYield  Strength  MPa

Poisson’s 

 Ratio

Elongation  %

Elastic Modulus   GPa 

BEW 60612.722.62103122700.3312.569
BEW 40472.6621.61932081290.331870

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