945 Alloy

Alloy name: 945
Diagram No.: 1108
Type of diagram: TTT
Chemical composition in weight %: 47.1% Ni, 22.4% Fe, 20.5% Cr, 3.2% Mo, 3.1% Nb, 2.0% Cu, 1.49% Ti, 0.20% Al, 0.011% Cu, 0.07% Mn, 0.0004% S
Alloy group: Nickel-based alloys
Note: All analytical data is presented in table. Based on this information, a TTT plot is presented in figure. Starting material annealed at 1038C for 2h had a grain size of ASTM #2. It had essentially clean grain boundaries. The material did contain geometric intra-granular TiN particles shown later in the text. These are formed during the melt. Starting material also contained predominantly intra-granular, isolated spherical NbC carbide particles, which are primarily formed during thermo-mechanical processing. These NbC particles were earlier shown. All the analyzed TTT samples contained these two precipitates. Therefore, TiN and NbC are not shown in the TTT plot. It should be mentioned that the plot on Gamma'/Gamma'' is primarily based on hardness testing. Stability of various phases is described below.
Reference: Not shown in this demo version.

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