Sürtünme kaynağıyla birleştirilmiş yüksek hız çeliği (HSS) ve AISI 1040 çeliklerinde mukavemet ve metalurjik özelliklerin incelenmesi
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Date
2007
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info:eu-repo/semantics/openAccess
Abstract
ZET Kaynak, üretim yöntemleri içinde çözülemeyen birleştirmeler arasında sayılmaktadır. Sürtünme kaynak yöntemi ise özellikle 1950 yıllarından sonra uygulamada kendisine yer bulmuş katı hal kaynak yöntemlerinden biridir. Sürtünme kaynak yöntemi ile çeşitli eksenel simetriye sahip parçalar ve demir esaslı olan ya da olmayan metaller kolaylıkla kaynaklanabilmektedir. Bu kaynak yönteminin her geçen gün artan bir hızda kullanıldığı uygulama alanlarından bir tanesi de takım endüstrisidir. Özellikle uç kısmının HSS (yüksek hız çeliği), sap kısmının ise orta karbonlu çelikten imal edilip bunların sürtünme kaynağıyla birleştirilmesiyle üretilen takımlar, hem malzeme hem enerji kazancı sağlanmış, daha da ötesi maliyette büyük kazançlar elde edilmiştir. Sunulan tezde, yüksek hız çeliği (HSS) ve orta karbonlu çelik türü olan AISI 1040, sürtünme kaynağıyla birleştirilmiş ve optimum parametreler elde edilmiştir. Daha sonra, optimum parametrelerde birleştirilen deney parçalarına tavlama yapılmış, bu birleştirmelerin mukavemet ve metalürjik özellikleri incelenmiştir. Elde edilen sonuçlar yorumlanmıştır. ANAHTAR KEL MELER: Sürtünme Kaynağı Yöntemi, Kaynak Kabiliyeti, HSS (Yüksek Hız Çeliği), AISI 1040 (Orta Karbonlu Çelik) iv
As a manufacturing process, welding is assumed to be a dissolvable manufacturing method. Friction welding, which is one of the solid phase welding methods, has been taking into consideration in practical applications especially after 1950. By using friction welding, parts which have various axis symmetry and ferrous or non-ferrous metals can be welded easily. One of the application areas of this welding method that is widely used nowadays is tool industry. Particularly, the tools produced by friction welding, that the tip area is made of HSS (high speed steel) and the handle area is made of medium carbon steel, provide not only material saving but also provide energy saving. In this thesis, an experimental set-up was designed and constructed. HSS and a kind of medium carbon steel, AISI 1040, were welded by friction welding method and mechanical properties of jointed parts were compared to that produced by machining. Also, the joined parts were annealed and strength and metallurgical properties are observed. Obtained results were commented on previous studies. KEYWORDS: Friction Welding Method, Welding Capability, HSS (High Speed Steel), AISI 1040 (Medium Carbon Steel) v
As a manufacturing process, welding is assumed to be a dissolvable manufacturing method. Friction welding, which is one of the solid phase welding methods, has been taking into consideration in practical applications especially after 1950. By using friction welding, parts which have various axis symmetry and ferrous or non-ferrous metals can be welded easily. One of the application areas of this welding method that is widely used nowadays is tool industry. Particularly, the tools produced by friction welding, that the tip area is made of HSS (high speed steel) and the handle area is made of medium carbon steel, provide not only material saving but also provide energy saving. In this thesis, an experimental set-up was designed and constructed. HSS and a kind of medium carbon steel, AISI 1040, were welded by friction welding method and mechanical properties of jointed parts were compared to that produced by machining. Also, the joined parts were annealed and strength and metallurgical properties are observed. Obtained results were commented on previous studies. KEYWORDS: Friction Welding Method, Welding Capability, HSS (High Speed Steel), AISI 1040 (Medium Carbon Steel) v
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Makine Mühendisliği, Mechanical Engineering
