LAUSR

Abstract Molybdenum silicon boron alloy is regarded as a new generation of ultra-high temperature alloys and is expected to replace the existing nickel-based alloys. However, the molybdenum silicon boron alloys prepared by powder metallurgy exhibited low density and had many pore defects, which were left hanging in the air. Here, a novel oscillatory sintering method is used to replace the traditional atmospheric sintering. It is found that the addition of the oscillatory frequency improved the density and mechanical properties of the alloy, and made the crystal grains refined to a large extent. It did have certain reference value for the preparation and development of molybdenum silicon boron alloy.