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Förstudie av blyfria lod till mjuklödning: Utfasning av bly hos ABB i Ludvika
Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET).
2014 (svensk)Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
Abstract [en]

This study was done for ABB’s work for the phasing out of lead in their soft soldering processes and aims to identify possible lead-free substitutes, due to the RoHs directive and the Reach regulation and the fact that lead is a particularly dangerous chemical. The company’s current solder was defined as SnPb. A literature study has been made where information has been reported regarding lead-free alternatives; SnZn, SnAgCu, SnAg, SnCu, SnBi, SnSb and SnIn. Based on the literature review five lead-free solder were ordered and examined to see if these are possible substitutes for the specific soldering processes. The lead free alternative melting points were measured and the solder technicians ranked the lead-free alternatives in comparison with the reference SnPb to decide which alternative was the most fitting. The literature study and the practical tests show which solder are the best for the company from an economic, social and environmental perspective. The conclusion was that the solder SnCu was the option that fitted the company's soldering processes. To clarify that the solder was a better option than SnPb, the substitution had to be seen from an overall perspective, this could for example, be done by a life cycle analysis.

sted, utgiver, år, opplag, sider
2014. , s. 43
Emneord [en]
Non-toxic environment, particularly dangerous chemical, Reach, SnCu, substitution principle
Emneord [sv]
Giftfri miljö, Reach, SnCu, substitutionsprincipen, särskilt farlig kemikalie
HSV kategori
Identifikatorer
URN: urn:nbn:se:hh:diva-26101OAI: oai:DiVA.org:hh-26101DiVA, id: diva2:733312
Eksternt samarbeid
ABB AB
Fag / kurs
Environmental Science
Veileder
Examiner
Tilgjengelig fra: 2014-07-09 Laget: 2014-07-08 Sist oppdatert: 2014-07-09bibliografisk kontrollert

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Förstudie av blyfria lod till mjuklödning(2386 kB)321 nedlastinger
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