Zirconia/stainless-steel continuous functionally graded material

2002 ◽  
Vol 22 (16) ◽  
pp. 2799-2804 ◽  
Author(s):  
S. López-Esteban ◽  
J.F. Bartolomé ◽  
C. Pecharromán ◽  
J.S. Moya
Keyword(s):  
Stainless Steel ◽  
Functionally Graded Material ◽  
Functionally Graded ◽  
Graded Material

Characterization of a functionally graded material of Ti-6Al-4V to 304L stainless steel with an intermediate V section

2018 ◽  
Vol 742 ◽  
pp. 1031-1036 ◽  
Author(s):  
Lourdes D. Bobbio ◽  
Brandon Bocklund ◽  
Richard Otis ◽  
John Paul Borgonia ◽  
R. Peter Dillon ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Functionally Graded Material ◽  
Functionally Graded ◽  
304L Stainless Steel ◽  
Graded Material

scholarly journals Inconel 625/AISI 413 Stainless Steel Functionally Graded Material Produced by Direct Laser Deposition

Materials ◽  
2021 ◽  
Vol 14 (19) ◽  
pp. 5595
Author(s):  
André Alves Ferreira ◽  
Omid Emadinia ◽  
João Manuel Cruz ◽  
Ana Rosanete Reis ◽  
Manuel Fernando Vieira
Keyword(s):  
Stainless Steel ◽  
Functionally Graded Material ◽  
Functionally Graded ◽  
Laser Deposition ◽  
Grain Structure ◽  
Smooth Transition ◽  
Inconel 625 ◽  
Direct Laser Deposition ◽  
Direct Laser ◽  
Graded Material

Functionally graded material (FGM) based on Inconel 625 and AISI 431 stainless steel powders was produced by applying the direct laser deposition (DLD) process. The FGM starts with layers of Inconel 625 and ends with layers of 431 stainless steel having three intermediate zones with the composition (100-X)% Inconel 625-X% 431 stainless steel, X = 25, 50, and 75, in that order. This FGM was deposited on a 42CrMo4 steel substrate, with and without preheating. Microstructures of these FGMs were evaluated, while considering the distribution of chemical composition and grain structure. Microstructures mainly consisted of columnar grains independent of preheating condition; epitaxial growth was observed. The application of a non-preheated substrate caused the formation of planar grains in the vicinity of the substrate. In addition, hardness maps were produced. The hardness distribution across these FGMs confirmed a smooth transition between deposited layers; however, the heat-affected zone was greatly influenced by the preheating condition. This study suggests that an optimum Inconel 625/AISI 431 FGM obtained by DLD should not exceed 50% AISI 431 stainless steel.

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