YKBDD / ORTA KARBONLU ÇELİK ÇİFTİNİN NİKEL ARA TABAKA KULLANARAK SÜRTÜNME KAYNAK YÖNTEMİYLE BİRLEŞTİRİLMESİ

Bu çalışmada; nikel ara tabakalı orta karbonlu çelik ile yüksek kromlu beyaz dökme demir (YKBDD), farklı sürtünme süreleri (8, 10 ve 12 s) kullanılarak sürtünme kaynağı yöntemiyle birleştirilmiştir. Kaynak morfolojisi; optik mikroskop (OM), enerji dağılım spektrometresi (EDS), X-Işını kırınımı (XRD) ve mikrosertlik analizleri ile incelenmiştir. Buna göre, kaynaklı bağlantılar aşırı deforme olmuş bölge, deforme olmuş bölge, kısmi deforme olmuş bölge ve esas metal olmak üzere dört bölgeye ayrılmıştır. EDS sonuçlarından anlaşılmaktadır ki; tüm kaynaklı bağlantıların birleştirme bölgelerinde atom geçişleri gerçekleşmiştir. En yüksek mikrosertlik değeri ise 2000 dev dak-1 ve 12 s sürtünme süresine maruz kalan kaynaklı bağlantıda elde edilmiştir.

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