Title

THE COST 531 LEAD-FREE SOLDERS THERMODYNAMIC DATABASE

THE COST 531 LEAD-FREE SOLDERS THERMODYNAMIC DATABASE

Authorship

WATSON, ANDY; DINSDALE, ALAN; KROUPA, ALES; VÍZDAL, JIRÍ; VRESTAL, JAN; ZEMANOVÁ, ADÉLA

WATSON, ANDY

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DINSDALE, ALAN

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KROUPA, ALES

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VÍZDAL, JIRÍ

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VRESTAL, JAN

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ZEMANOVÁ, ADÉLA

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DOI

10.5151/2594-5327-2005-14337-0140

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Abstract

Owing to impending European legislation, lead will no longer be used in the fabrication of electrical and electronic materials within Europe. COST 531 is a European action on the study of new lead-free materials suitable for use in the electronics industry. One of the objectives of the action is the provision of a self- consistent thermodynamic database for lead-free solder materials and substrates. Assessed thermodynamic parameters for more than 50 binary systems have been collected from the literature or have been provided directly by a programme of experimental and assessment work as part of the COST action. These data have been supplimented by parameters for ternary systems to provide a self-consistent thermodynamic database. The database has been tested thoroughly using proprietry software to ensure its portabiltiy.

Owing to impending European legislation, lead will no longer be used in the fabrication of electrical and electronic materials within Europe. COST 531 is a European action on the study of new lead-free materials suitable for use in the electronics industry. One of the objectives of the action is the provision of a self- consistent thermodynamic database for lead-free solder materials and substrates. Assessed thermodynamic parameters for more than 50 binary systems have been collected from the literature or have been provided directly by a programme of experimental and assessment work as part of the COST action. These data have been supplimented by parameters for ternary systems to provide a self-consistent thermodynamic database. The database has been tested thoroughly using proprietry software to ensure its portabiltiy.

Keywords

Lead-free solders; Thermodynamics; Phase diagrams.

Lead-free solders; Thermodynamics; Phase diagrams.