Essays about: "Lead-free"

Showing result 11 - 15 of 16 essays containing the word Lead-free.

  1. 11. Reliability prediction of electronic products combining models, lab testing and field data analysis

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Noor Choudhury; [2016]
    Keywords : Reliability; Reliability Standards; Benchmark; Field data analysis; Thermal Cycling test; FIDES; Siemens SN 29500; IEC 62380; MIL-HDBK-217F-Notice2; Reliability Prediction; Accelerated Life Test; Product Reliability; Pålitlighet; Tillförlitlighetsstandarder; Riktmärke; Fältdatanalys; Termisk cykelstest; FIDES; Siemens SN 29500; IEC 62380; MIL-HDBK-217F-Notice2; tillförlitlighet förutsägelse; accelererade livslängdstestet; Produktens tillförlitlighet;

    Abstract : At present there are different reliability standards that are being used for carrying out reliability prediction. They take into consideration different factors, environments and data sources to give reliability data for a wide range of electronic components. READ MORE

  3. 12. LEAD FREE BRASS : Study and Analysis of the surface integrity of lead brass and unleaded brass.

    University essay from Högskolan i Halmstad/Maskinteknisk produktframtagning (MTEK)

    Author : Amogh Vedantha Krishna; Vijeth Venkataram Reddy; [2015]
    Keywords : Brass; Surface Integrity; Surface measurements; Surface roughness parameters.;

    Abstract : The addition of lead to the copper alloys increases its machinability and reducesthe overall production cost, despite copper being expensive, which makes achallenging task to replace lead. But the alarming effects of lead on human healthand the recycling problems has led to the increase in concern forreducing/eliminating the use of lead in brass and other copper alloys. READ MORE

  4. 13. Mechanical Reliability of Aged Lead-­Free Solders

    University essay from KTH/Materialvetenskap

    Author : Susanne Lewin; [2012]
    Keywords : Solder Joints; Lead-free; Mechanical Reliability;

    Abstract : The usage of lead-­free solder joints in electronic packaging is of greatest concern to the electronic industry due to the health and environmental hazards arising with the use of lead. As a consequence, lead is legally prohibited in the European Union and the industry is aiming to produce lead-free products. READ MORE

  5. 14. Mässingslegeringar med låg blyhalt för svarvade komponenter ämnade för dricksvatten

    University essay from

    Author : Jessica Gyhlesten Back; [2011]
    Keywords : Brass; lead; drinking water; turning; NKB4;

    Abstract : This thesis is about brass alloys with low lead levels for manufacturing of turned components destined for human consumption. Is it technically possible, economically viable and environmentally necessary to produce lead-free brass alloys? Turning tests and leaching tests has been carried out in low-lead brass. READ MORE

  6. 15. 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