Iron-based alloy with high corrosion resistance and wear resistance
An iron-based alloy and alloy technology, which is applied in the field of alloys with high corrosion resistance and high wear resistance, can solve problems such as corrosion of cast iron brakes and reduced braking effect
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[0017] By means of one or more of the various aspects, embodiments and / or specific features or sub-assemblies of the present disclosure, one or more of the advantages as specifically described above and pointed out below are intended.
[0018] thermodynamics
[0019] In example embodiments of the present disclosure, alloys may be adequately described by equilibrium or near-equilibrium thermodynamic parameters, such as figure 1 and 2 illustrated. One way to predict the corrosion performance of ferroalloys is to use PREN calculated according to the following equation (1):
[0020] PREN = Cr+3.3 * (Mo+0.5 * W)+16 * N (1),
[0021] The element value is expressed in weight percentage.
[0022] In single phase materials, such as most ferritic stainless steels, PREN is applied to the bulk alloy composition. However, because the alloys in the present disclosure can include multiple phases, the PREN value is calculated based on the equilibrium thermodynamic conditions of the matri...
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