Mechanical Properties Of Powder-Based Part Produced By 3 Dimensional Printer Machine

Norita, Md. Nasir (2008) Mechanical Properties Of Powder-Based Part Produced By 3 Dimensional Printer Machine. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Rapid Prototyping (RP) is referred to as a class of technology that can automatically build a physical model from (CAD) data. One of the rapid prototyping technologies is explored via Three Dimensional Printing (3DP) Machine developed by the Massachusetts Institute of Technology and license to Z Corporation, which is use powder-based material. The capability of Three Dimensional Printing (3DP) are speedy fabrication and low material cost. There were three types of specimen dimension, which was design, and the Compression Testing as per ASTM D695 was done to investigate the mechanical properties, which is Prism 1 (12.7x12.7x25.4) mm, Prism 2 (15x15x30) mm and dog-bone (5 specimens for each type). The 3DP machine that was used to produce the parts is ZPrinter 310 Plus and the material that the machine used is ZP130 for the powder and Zb58 for the binder. From the results that was obtained from the compression testing, dog-bone specimen obtained the highest Compressive Strength at 4.43±0.623 MPa and also the highest Modulus of Elasticity at 1.71±0.143 GPa. In comparison with prism 1 of 2.96±2.21 MPa for Compressive Strength and 1.26±0.259 GPa for Modulus of Elasticity and for prism 2 of 2.30±0.931 MPa for Compressive Strength and 1.37±0.195 GPa for Modulus of Elasticity. From the results that were analyzed, it can be concluded that the smallest cross-section area produce the highest compressive strength, this is because binder is highly concentrated and absorbed into the specimen.

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