Iron Infiltrated with Bronze ExOne’s 3D Printed Iron infiltrated with Bronze is a matrix material composed of 60% iron and 40% bronze infiltrant. This material offers good mechanical properties, is able to be machined, welded and polished, and offers excellent wear resistance. Applications Iron is the most widely used material for industrial applications. This material system is ideally suited for automotive components, machine tools, industrial Iron / Bronze components, tooling, and decorative hardware. Composition Iron: Low base carbon Bronze: 90% Cu / 10% Sn Printing Using binder jetting technology, ExOne’s state-of-the-art 3D Printing machines Printed part produce parts directly from CAD models by precisely controlling the jetting of binder onto a powder bed, and then subsequently spreading new layers of powder. This process is repeated until the part is completed. This 3D Printing process offers increased design flexibility, reduced manufacturing cost and shortened lead times. Post Processing After printing is complete, the parts are cured in an oven, which enables the parts to be handled. After curing, the parts are sintered and infiltrated with bronze above 1100°C. Cool down can be varied to control the machinability and hardness of the material. INDUSTRIAL-GRADE MATERIALS FOR 3D PRINTING

Iron Infiltrated with Bronze Typical Material Properties Material Propertes Test Method Tensile Strength Ultimate Strength Yield Strength (0.2% offset) Elastic Modulus Fractional Density Density Machinability Use silicone bronze rod & TIG weld Thermal Expansion Coefficient Surface Finish After sintering:  Bead blasting:   Barrel finishing:   ≈ 50 μin Ra (1.25 μm Ra) After Sintering Bead Blasting Barrel Finishing The data and other information (Information) presented in this Data Sheet are provided by and are proprietary information of The ExOne Company (ExOne). ExOne presents this Information...