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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

Advanced Packaging Materials For AlSi Alloys

Advanced Packaging Materials For AlSi Alloys
Tianjin Baienwei company provides lightweight, high modulus products made from controlled expansion alloys (AlSi alloys). Our alloy products are manufactured according to the advanced manufacturing process...
Product Details

Product Name

  AlSi alloys(also called controllable expansion alloys);

  AlSi50 alloy(also called Al-50Si controlled expansion alloys). 


Chemical composition

  Aluminum Balance, Silicon content 27% to 70%.


Approval for AlSi alloys

  *Valid for sheet/plate,strip,semifinished products,billets,bars,rods etc.


Comparison with commonly used packaging materials: 

MaterialDensity
g/cm³
CTE
25℃
ppm/ ℃
Thermal Conductivity  25℃ W/mkPlateabillityMachinabilityWeldabilityFormability
Copper8.916385GoodGoodGoodGood
Titanium4.58.917FairFairFairFair
Cast Al60612.723195GoodGoodGoodGood
Kovar8.4615GoodGoodGoodGood
Cu85%W16.46.8180FairFairFairFair
Cu85%Mo106.8165FairFairFairFair
Al65%SiC36.8170PoorPoorPoorPoor
Aluminum-graphite2.57.5/23190PoorGoodPoorGood
AlSi272.617175GoodGoodGoodGood
AlSi502.511.5140GoodGoodGoodGood
AlSi702.437.5120GoodGoodGoodGood


Advanced housing for electronic packaging application:

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