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[16540] Artykuł:

Characterization of transient liquid-phase bonding between titanium and stainless steel using nickel

Czasopismo: Proceedings of 24th International Conference on Metallurgy and Materials - METAL 2015   Strony: 1662-1667
ISBN:  978-80-87294-62-8
Wydawca:  TANGER LTD, KELTICKOVA 62, SLEZSKA, OSTRAVA 710 00, CZECH REPUBLIC
Opublikowano: 2015
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Bartłomiej Szwed orcid logoWMiBMKatedra Technik Komputerowych i Uzbrojenia**335.00  
Marek Konieczny orcid logoWMiBMKatedra Technik Komputerowych i Uzbrojenia**335.00  
Renata Mola orcid logoWMiBMKatedra Technik Komputerowych i Uzbrojenia**335.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper


Web of Science Logo Web of Science    
Keywords:

Transient liquid-phase bonding  diffusion brazing  titanium  stainless steel  nickel 



Abstract:

In the present investigation, transient liquid-phase bonding was performed between pure titanium (Grade 2) and stainless steel (X5CrNi 18-10) using 0.1 mm thick nickel foil as an intermediate material. The process was carried out at the temperatures of: 850, 875, 900, 925, 950 and 1000 degrees C for 60 minutes under the compressive stress of 2 MPa in a vacuum. The effects of temperature on the microstructure diffusion brazed joints were characterized in the optical and scanning electron microscopes. The inter diffusion of chemical species across the diffusion interface was evaluated by electron probe microanalysis. The structural examinations have shown that temperature is critical factor to control the microstructure. The diffusion zone on the borders of the joined materials becomes wider with the increase in temperature. The structure of the joints from the titanium site was composed of the eutectoid mixture alpha Ti + Ti2Ni and layers of intermetallic phases Ti2Ni, TiNi and TiNi3. The stainless steel-nickel interface is free from any reaction layer up to 875 degrees C, above this temperature thin layer of reaction appears. The microhardness measured across the joints reaches of values from 320 to 528 HV that indicates higher values than in the case of titanium or stainless steel.