NDLI: Modeling and Characterization of Biomaterials Spreading Properties in Powder-Based Rapid Prototyping Techniques

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Shanjani, Yaser Toyserkani, Ehsan Wei, Christina
Copyright Year	2007
Abstract	In this work, the spreading properties of biomaterials, while a counter-rotating roller is used in rapid prototyping machines, are modeled and characterized. For modeling, the slab method is used in which biomaterial geometrical properties are incorporated into the model. A pressure dependent plasticity model is used as a constitutive model for biomaterial powders. In addition, the coulomb friction law for the powder-roller interface boundary is incorporated into the model. Size and shape of powder particles as well as roller rotational and linear velocities are considered within the friction coefficient. Powder bed parameters such as compaction pressure, stress distribution and relative density are predicted using the simulation.
Starting Page	135
Ending Page	143
Page Count	9
File Format	PDF
ISBN	0791842967
DOI	10.1115/IMECE2007-42530
e-ISBN	0791838129
Volume Number	Volume 2: Biomedical and Biotechnology Engineering
Conference Proceedings	ASME 2007 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2007-11-11
Publisher Place	Seattle, Washington, USA
Access Restriction	Subscribed
Subject Keyword	Stress concentration Rollers Modeling Pressure Density Machinery Biomaterials Compacting Friction Simulation Particulate matter Plasticity Rapid prototyping Shapes Coulombs Slabs Constitutive equations
Content Type	Text
Resource Type	Article

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