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6J12 6J13 6J8 Uea keleawe keleawe kūpaʻa kiʻekiʻe
Introduction Aia ka uea keleawe manganese ma lalo o ka waeʻano o ke keleawe moana a ua haku ʻia he 60% keleawe, 39.2% zinc a me 0.8% tin.I ka hoʻokō ʻana i ke keleawe moana maʻamau, loaʻa i ka alloy ka ikaika maikaʻi a me ka paʻakikī.Loaʻa ka pale ʻana i ka wai kai ma muli o ka loaʻa ʻana o ka zinc ma kahi o ka tin.ʻO ka hoʻohui ʻana o ka tin ka mea e pale ai i ka alloy i ka dezincification, ka luhi, ka ʻāʻī, a me ke koʻikoʻi corrosion c...
