Mechanical Properties of HIP Sintered Bodies of Sendust Metal Powders.

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  • Mechanical Properties of HIP Sintered B

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Abstract

Sendust metal ( Fe -9.56wt%Si -5.47wt%Al ) powders have been isostatically hot pressed and the mechanical properties of sintered bodies with various porosities examined at room temperature. Vickers hardness decreases linearly with increasing porosity. The porosity dependence of bending and compressive strengths is expressed by the equation σ=σ0exp(-np); σ0=540 MPa for the former and σ0=2800 MPa for the latter are determined, respectively, whereas the same value of n=0.22 is estimated from both strength-porosity data. Young's modulus is 300 GPa for sintered bodies with nearly theoretical density.

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