Sökning: "sprödbrott"

Hittade 2 uppsatser innehållade ordet sprödbrott.

1. 1. The effect of rework on brittle fractures in lead free solder joints : The growth of intermetallic compounds during rework and its effects

   Uppsats för yrkesexamina på avancerad nivå, Karlstads universitet

   Författare :Elin Dornerus; [2009]
   Nyckelord :Intermetalliska skikt; sprödbrott; lödfogar; blyfritt; Intermetallic layers; Intermetallic growth; brittle fractures; solder joints; lead free; RoHs;

   Sammanfattning : Saab Microwave Systems, SMW is a supplier of radar systems. The circuit boards that are operating in their radars have components which solder joints contains lead. However, the EU directive RoHs and WEEE are causing SMW to prepare for a transition to lead free solder joints. LÄS MER

3. 2. Implementation of Lead-Free Soldering in Highly Reliable Applications

   Magister-uppsats, Institutionen för teknik och naturvetenskap

   Författare :Ove Berglund; [2007]
   Nyckelord :RoHS; Lead-free; Reliability; Solder; Whiskers; Voids; Saab Systems;

   Sammanfattning : The directive of the European parliament and of the council on the Restriction of the use of certain Hazardous Substances (RoHS) in Electrical and Electronic Equipment (EEE) took effect in the European Union on July 1, 2006. Japan, California, China and Korea are all closed markets for exporters of components containing lead from July 1, 2007. LÄS MER