Steel metal forming using polymer composite rapid prototype tooling

Article Abstract:

A computer-aided method to estimate the fatigue life of a sheet metal forming die fabricated from aluminum trihydrate (ATH)-filled polyurethane was presented. The engineering data were obtained by characterizing the material in various perspectives: microstructure, mechanical and fatigue behavior, and terminological properties.

Special dies, tools, jigs & fixtures, Special Die and Tool, Die Set, Jig, and Fixture Manufacturing, Press, Drawing, Stamping Dies, Tools, Dies, Jigs & Fixtures, Extrusion & Wiredrawing Dies, Materials research, Dies (Metalworking)

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Elastic and inelastic recovery after plastic deformation of DQSK steel sheet

Article Abstract:

Strain recovery after plastic prestrain and associated elastic and inelastic behavior during loading and unloading of Deep-drawing Quality Special Killed (DQSK) steel sheet are measured. It is found that modulus decreases with increasing loading stress, while Poisson's ratio shows the opposite trend.

Measurement, Strains and stresses, Stresses (Materials), Materials science

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Off-axis torsion tests on tubular specimens of steel

Article Abstract:

An off-axis torsion test by combined loading is developed to analyze the anisotropic hardening behavior of metals. The experiments have verified that anisotropy is more severe when a smaller offset strain is used in defining the yield stress.

Stress analysis (Engineering), Mechanics, Engineering mechanics

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