evaluation of the corrosion behaviour of galvannealed steel

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  • 7/23/2019 Evaluation of the Corrosion Behaviour of Galvannealed Steel

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    Fakultas Teknik Mesin DirgantaraTeknik Material

    Institut Teknologi Bandung

    Presented by:

    Arif Cita Perdana

    Hengky Purnama

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    Introdu#tionBa#kgroud$b%e#ti&e

    MaterialMet'odology and Met'od(esult

    Con#lusion

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    *al&anisasi adala' +roses +ela+isanba%a atau besi ole' seng ,-n. untukmemberikan +roteksi ter'ada+

    korosi/Annealedadala' +roses +erlakuan+anas +ada logam dengan su'u

    diatas T rekristalisasi untukmeningkatkan sifat ulet/

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    Memiliki keta'anan korosi yangtinggi

    emam+uan untuk di #at yang lebi'

    baikemam+uan untuk di las yang lebi'baik

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    Adanya +erbedaan sifat ta'an korosi +adaba%a galvanizeddan galvannealed

    3ifat keta'anan korosi dari ba%a

    galvannealed'anya berdasarkan +adala+oran skala lab sa%a4 belum dilakukan u%i#oba +ada skala industri

    Mengeta'ui efek lingkungan tro+is dan

    mengandung garam +ada GalvannealedSteel dan Galvanized Steel

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    Menge&aluasi +erbedaan CorossionBehaviourdari ba%a gal&annealed danba%a gal&ani5ed +ada lingkungan

    tro+is dan kadar garam tinggi/

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    3am+le ba%a galvannealeddangal&anisasi disu++ly dari CompanhiaSiderugica Nacional ,C37.4 8olta

    (edonda4 (94 Bra5il

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    o arakterisasi Morfologio Corrosion Test

    Mass oss

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    3#anning

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    Ba%a *al&anisasi

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    Ba%a *al&anisasi

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    Ter+a+ar+ada

    lingkunganlaut3elama 12bulan

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    Ba%a *al&anneal

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    Ba%a *al&anneal

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    12

    bulan

    6 bulan

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    Ba%a *al&anneal

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    Mass oss

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    101!1" 1!

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    Dieks+os +ada lingkungan laut tro+is

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    Corrosion Be'a&iour dari *al&annealed3teel di+engaru'i ole' #ra#k +adala+isan -n>Fe dan fasa kaya akan -in#

    *al&ani5ed 3teel mem+erli'atkan

    general #orrosion +ada medium #air danlo#ali5ed #orrosion +ada lingkungan laut

    *al&annealed steel memiliki keta'anankorosi yang lebi' baik dari+ada

    gal&ani5ed steel +ada medium #air4sementara +ada lingkungan laut tro+iskeduanya 'am+ir sama/

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    Thank You

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