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Old 04-02-2015, 11:46 AM   #10
diviner
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Join Date: Jan 2003
Location: Novi Sad
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Default Re: Lemilica

Pored mehanickog aspekta hladnog lema, mnogo vise glavobolje zadaje tkzv nestabilna hemijska struktura lemnih legura/mjesavina, koji posle izvjesnog vremena daje mikroskopske frakture "kalaja" koji se tesko vide golim okom, veoma tesko otkrivaju kuckanjem (jer su, kao sto rekoh, u pitanju mikroskopske frakture, ili neko je ovdje napisao kristalizacija), a jedini lijek je ponovno prelemljavanje na rework stanici (reballing kod visoko integrisane tehnike), tj totalno novo prelemljavanje sa ciljem da se sto vise ukloni stari "kalaj" i stavi neki kvalitetniji...
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