Rapid Prototyping Journal: Volume 16 Issue 4

Scheduling and process planning for multiple material stereolithography

Hochan Kim, Jae‐Won Choi, Ryan Wicker

To operate a multiple material stereolithography (MMSL) system, a material build schedule is required. The purpose of this paper is to describe a scheduling and process‐planning…

Tunable digital material properties for 3D voxel printers

Jonathan Hiller, Hod Lipson

Digital materials are composed of many discrete voxels placed in a massively parallel layer deposition process, as opposed to continuous (analog) deposition techniques. The…

Selective laser melting of Inconel 625 using pulse shaping

Kamran Mumtaz, Neil Hopkinson

The purpose of this paper is to investigate the selective laser melting (SLM) of Inconel 625 using pulse shape control to vary the energy distribution within a single laser pulse…

Blending of iron and silicon carbide powders for producing metal matrix composites by laser sintering process

Cheekur Krishnamurthy Srinivasa, Chinnakurli Suryanarayana Ramesh, S.K. Prabhakar

The purpose of this paper is to study the effect of blending time, SiC content and fill ratio on the homogeneity of iron‐silicon carbide powder mixture, blended in double‐cone…

Fabrication of modified graphite bipolar plates by indirect selective laser sintering (SLS) for direct methanol fuel cells

Kaushik Alayavalli, David L. Bourell

The purpose of this paper is to produce electrically conductive, fluid impermeable graphite bipolar plates for a direct methanol fuel cell, using indirect selective laser…

A comparison of synthesis methods for cellular structures with application to additive manufacturing

Jane Chu, Sarah Engelbrecht, Gregory Graf, David W. Rosen

The purpose of this paper is to investigate design synthesis methods for designing lattice cellular structures to achieve desired stiffnesses. More generally, to find appropriate…

Effect of height to width ratio on the dynamics of ultrasonic consolidation

James M. Gibert, Eric M. Austin, Georges Fadel

The purpose of this paper is to focus on the changing dynamics of the ultrasonic consolidation (UC) process due to changes in substrate geometry. Past research points to a…

The tower nozzle solid freeform fabrication technique

Lino Costa, Deepak Rajput, Kathleen Lansford, Wenqiang Yue, Alexander Terekhov, William Hofmeister

The purpose of this paper is to develop a simple, easy to implement powder delivery strategy for solid freeform fabrication (SFF) processing.

Editorial

Ian Campbell