Plazma Transferli Ark Kaynak Yöntemiyle Hardox 400 Çelik Malzemenin Yüzeyinin Farklı Oranlardaki FeCrC Tozuyla Alaşımlandırılması

Bu çalışmada, aşınmaya dayanıklı olan Hardox 400 çelik malzemenin yüzeyi B4C, TiC, SiC tozlarını sabit olmak koşuluyla, FeCrC tozlarının farklı kombinasyonları kullanılarak plazma transferli ark (PTA) kaynak yöntemiyle alaşımlandırılmıştır. PTA kaynak ile yapılan kaplama işleminde FeCrC tozunun Hardox 400 çelik üzerine etkisi araştırılmıştır. Kaplama tabakası; mikroserlik, optik mikroskop (OM), taramalı elektron mikroskobu (SEM), X-ışın difraktogramı (XRD) ve X ışını enerji dağılım spektrometresinden (EDS) faydalanılarak incelenmiştir. Optik mikroskop, mikroyapı incelemeleri ve mikrosertlik değerleri neticesinde, kaplama tabakası ile alt tabakanın birbirlerine metalurjik olarak bağlandığı, FeCrC’nin varlığında sertlik değerlerinde gözle görülür bir artış meydana geldiği ve aynı zamanda yapıda MC (metal karbür) ve Me-B (metal borür) fazları oluştuğu tespit edilmiştir.

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Fırat Üniversitesi Mühendislik Bilimleri Dergisi-Cover
  • ISSN: 1308-9072
  • Yayın Aralığı: Yılda 2 Sayı
  • Başlangıç: 1987
  • Yayıncı: FIRAT ÜNİVERSİTESİ