Essays about: "brittle fractures"

Showing result 6 - 8 of 8 essays containing the words brittle fractures.

  1. 6. Deformation, metamorphism and remobilisation in the Hornkullen polymetallic deposit, western Bergslagen, Sweden

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Stefan Andersson; [2014]
    Keywords : ore genesis; Bergslagen; deformation; remobilisation; metamorphism; geothermobarometry; malmbildning; Bergslagen; deformation; ommobilisering; metamorfos; geotermobarometri;

    Abstract : The polymetallic Hornkullen deposit is situated in the western part of the Bergslagen ore province, Sweden. It is hosted by an inlier of approximately 1.90-1.88 Ga Svecofennian volcanic and sedimentary metasupracrustal rocks enclosed in a significantly younger, c. READ MORE

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

    University essay from Karlstads universitet

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

    Abstract : 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. READ MORE

  4. 8. Implementation of Lead-Free Soldering in Highly Reliable Applications

    University essay from Institutionen för teknik och naturvetenskap

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

    Abstract : 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. READ MORE