Tim Osswald

Polymers Professor - University of Wisconsin

Research Expertise

Polymer Engineering
Advanced Manufacturing
Composites
Additive Manufacturing
Materials Chemistry
Polymers and Plastics
Mechanics of Materials
Condensed Matter Physics
Industrial and Manufacturing Engineering
Biomedical Engineering
Ceramics and Composites
Neurology (clinical)
Radiology, Nuclear Medicine and imaging
Environmental Engineering
Metals and Alloys
Biomaterials
Mechanical Engineering
Surfaces, Coatings and Films
Surfaces and Interfaces
Applied Mathematics
Organic Chemistry
Computer Science Applications
Molecular Biology
Biochemistry
Biotechnology
Civil and Structural Engineering
Pollution
Environmental Chemistry
Computational Mathematics
Analysis
Management Science and Operations Research
Safety, Risk, Reliability and Quality
Artificial Intelligence
Electrical and Electronic Engineering
Hardware and Architecture
Human-Computer Interaction
Signal Processing
Control and Systems Engineering
Management, Monitoring, Policy and Law
Waste Management and Disposal
Fluid Flow and Transfer Processes
Process Chemistry and Technology
Instrumentation
Computational Mechanics
Strategy and Management

About

T. Osswald is Hoeganaes Professor of Materials at the University of Wisconsin-Madison, where he has been a faculty member since 1989. Osswald received the PhD in Mechanical Engineering from the University of Illinois at Urbana-Champaign in 1987, the MS in Mechanical Engineering from the South Dakota School of Mines and Technology in 1982, and the BS in Mechanical Engineering from the South Dakota School of Mines and Technology in 1981. Before joining the UW-Madison faculty, Osswald was a Humboldt Fellow at the Rheinisch Westfalische Technische Hochschule Aachen. Osswald’s research interests are in the areas of processing-structure-property relationships for metals and composites, with a focus on powder metallurgy and metal injection molding. His research has been supported by the National Science Foundation, the Department of Energy, the US Army Research Office, and industry. Osswald is a Fellow of ASM International and the American Academy of Mechanics, and he has received the Extrusion Division Award, the Powder Metallurgy Division Award, and the Distinguished Teaching Award from TMS.

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Publications

Material Science of Polymers for Engineers
Materials Science of Polymers for Engineers
2012
Advanced Injection Molding Technologies
Advanced Injection Molding Technologies
2019
Polymer Processing
Polymer Processing
2006
Evaluation of various fire retardants for use in wood flour–polyethylene composites
Polymer Degradation and Stability
2010
Polymer Rheology
Polymer Rheology
2014
International Plastics Handbook
International Plastics Handbook
2006
Saechtling Kunststoff Taschenbuch
Saechtling Kunststoff Taschenbuch
2013
Understanding Polymer Processing
Understanding Polymer Processing
2017
Fused filament fabrication melting model
Additive Manufacturing
2018
Modeling the vulcanization reaction of silicone rubber
Polymer Engineering & Science
2007
Compression Mold Filling Simulation for Non-Planar Parts
International Polymer Processing
1990
A thermo-viscoelastic approach for the characterization and modeling of the bending behavior of thermoplastic composites
Composites Part A: Applied Science and Manufacturing
2016
Characterization of CSF Hydrodynamics in the Presence and Absence of Tonsillar Ectopia by Means of Computational Flow Analysis
American Journal of Neuroradiology
2009
A boundary element simulation of compression mold filling
Polymer Engineering and Science
1988
Viscosity of Soy Protein Plastics Determined by Screw-Driven Capillary Rheometry
Journal of Polymers and the Environment
2008
Design of Dispersive Mixing Devices
International Polymer Processing
1999
Nozzle clogging factors during fused filament fabrication of spherical particle filled polymers
Additive Manufacturing
2018
A numerical model of the viscosity of an epoxy prepreg resin system
Polymer Composites
1999
Effects of raster angle on the mechanical properties of PLA and Al/PLA composite part produced by fused deposition modeling
Polymers for Advanced Technologies
2019
Incorporation of Mg particles into PDLLA regulates mesenchymal stem cell and macrophage responses
Journal of Biomedical Materials Research Part A
2015
Prediction of Shrinkage and Warpage of Fiber Reinforced Thermoset Composite Parts
Journal of Reinforced Plastics and Composites
1994
On the use of computational multi-body dynamics analysis in SLS-based 3D printing
Additive Manufacturing
2016
Grooved feed single screw extruders?improving productivity and reducing viscous heating effects
Polymer Engineering & Science
1998
Process-Induced Fiber Orientation in Fused Filament Fabrication
Journal of Composites Science
2018
A boundary element analysis of flow in sheet molding compound
Polymer Composites
1988
Plastics Handbook
Unknown Venue
2018
Characterization of mechanical properties and fracture mode of PLA and copper/PLA composite part manufactured by fused deposition modeling
SN Applied Sciences
2019
Flow Analysis in Screw Extruders-Effect of Kinematic Conditions
International Polymer Processing
1998
Laser polishing of Cu/PLA composite parts fabricated by fused deposition modeling: Analysis of surface finish and mechanical properties
Polymer Composites
2020
A novel fiber length measurement technique for discontinuous fiber‐reinforced composites: A comparative study with existing methods
Polymer Composites
2017
Failure criterion for PA12 SLS additive manufactured parts
Additive Manufacturing
2018
The History of Tomorrow's Materials: Protein-Based Biopolymers
Plastics Engineering
2008
Polymer flow length simulation during injection mold filling
Polymer Engineering & Science
1997
The effects of e-beam irradiation induced cross linking on the friction and wear of polyamide 66 in sliding contact
Wear
2010
Construction of Pedestrian Infrastructure along Transit Corridors
Unknown Venue
2021
Structure of Polymers
Materials Science of Polymers for Engineers
2012
Failure and Damage of Polymers
Materials Science of Polymers for Engineers
2012
Measuring fibre orientation in sisal fibre-reinforced, injection moulded polypropylene – Pros and cons of the experimental methods to validate injection moulding simulation
Composites Part A: Applied Science and Manufacturing
2017
A Novel Cure Reaction Model Fitting Technique Based on DSC Scans
Journal of Polymer Engineering
2005
Boundary integral equations for analyzing the flow of a chopped fiber reinforced polymer compound in compression molding
Journal of Non-Newtonian Fluid Mechanics
1987
Electrical Properties of Polymers
Materials Science of Polymers for Engineers
2012
Melt Rheology
Plastics Testing and Characterization
2008
Comparative study of mixing in corotating twin screw extruders using computer simulation
Advances in Polymer Technology
1998
Modeling processing of silicone rubber: Liquid versus hard silicone rubbers
Journal of Applied Polymer Science
2010
Failure surface development for ABS fused filament fabrication parts
Additive Manufacturing
2019
Electrical, Optical, and Acoustic Properties
Plastics Testing and Characterization
2008
Processing induced residual stress in asymmetric laminate panels
Polymer Composites
1999
Predicting shrinkage and warpage of fiber-reinforced composite parts
Polymer Composites
1994
Numerical simulation of three-dimensional viscoelastic planar contraction flow using the software OpenFOAM
Computers & Chemical Engineering
2012
Mechanism of fiber–matrix separation in ribbed compression molded parts
Polymer Composites
2007
Discontinuous Fiber-Reinforced Composites
Discontinuous Fiber-Reinforced Composites
2020
Process-induced fiber matrix separation in long fiber-reinforced thermoplastics
Composites Part A: Applied Science and Manufacturing
2018
Investigation of the influence of exposure time on the dual-curing reaction of RPU 70 during the DLS process and the resulting mechanical part properties
Additive Manufacturing
2020
Experimental and Numerical Analysis of Fiber Matrix Separation during Compression Molding of Long Fiber Reinforced Thermoplastics
Journal of Composites Science
2017
Micro-injection molded, poly(vinyl alcohol)-calcium salt templates for precise customization of 3D hydrogel internal architecture
Acta Biomaterialia
2019
CAE method for compression molding of carbon fiber-reinforced thermoplastic composite using bulk materials
Composites Part A: Applied Science and Manufacturing
2018
Simulative Prediction of Fiber-Matrix Separation in Rib Filling During Compression Molding Using a Direct Fiber Simulation
Journal of Composites Science
2017
Method for time-temperature-transformation diagrams using DSC data: Linseed aliphatic epoxy resin
Journal of Applied Polymer Science
2014
Transcrystalline interphases in natural fiber-PP composites: effect of coupling agent
Composite Interfaces
2000
Thermal curing kinetics optimization of epoxy resin in Digital Light Synthesis
Additive Manufacturing
2020
A strength tensor based failure criterion with stress interactions
Polymer Composites
2017
Influence of Pressure on Volume, Temperature and Crystallization of Thermoplastics during Polymer Processing
International Polymer Processing
2011
Simulating Polymer Mixing Processes Using the Boundary Element Method
International Polymer Processing
1992
Fabrication of hybrid composite T-joints by co-curing with 3D printed dual cure epoxy
Composites Part B: Engineering
2020
Surface roughness of polyamide 12 parts manufactured using selective laser sintering
Polymer Testing
2019
Plastics Handbook
Plastics Handbook
2018
Method to account for the fiber orientation of the initial charge on the fiber orientation of finished part in compression molding simulation
Composites Part A: Applied Science and Manufacturing
2017
Modeling Polymer Processes
Understanding Polymer Processing
2010
1997 IEEE Annual Textile, Fiber and Film Industry Technical Conference
1997 IEEE Annual Textile, Fiber and Film Industry Technical Conference
1997
Inhalt
HTM Journal of Heat Treatment and Materials
1994
A thermo-viscoelastic approach for the characterization and modeling of the bending behavior of thermoplastic composites – Part II
Composites Part A: Applied Science and Manufacturing
2017
Highly filled polymers for power passives packaging
2008 2nd Electronics Systemintegration Technology Conference
2008
Experimental and Numerical Study of Rhomboidal Mixing Sections
International Polymer Processing
2000
The effect of micromechanics models on mechanical property predictions for short fiber composites
Composite Structures
2020
Nozzle flow behavior of aluminum/polycarbonate composites in the material extrusion printing process
Journal of Applied Polymer Science
2018
Vulcanization of EPDM rubber compounds with and without blowing agents: Identification of reaction events and TTT-diagram using DSC data
Polymer Engineering & Science
2014
Modeling the behavior of fiber suspensions in the molding of polymer composites
Journal of Reinforced Plastics and Composites
2011
IN LINE MEASUREMENT OF THE POLYMER MELTING BEHAVIOR IN SINGLE SCREW EXTRUDERS
Journal of Polymer Engineering
2004
A Finite Element Analysis of the Thermomechanical Behavior of Fiber Reinforced Composites
Journal of Thermoplastic Composite Materials
1991
Expanding plastics recycling technologies: chemical aspects, technology status and challenges
Green Chemistry
2022
Degree of cure of epoxy/acrylic photopolymers: Characterization with raman spectroscopy and a modified phenomenological model
Polymer Engineering & Science
2017
SIMULANDO LA INYECCIÓN DE PLÁSTICOS. NUEVAS FORMAS DE APRENDER LOS PROCESOS.
DYNA INGENIERIA E INDUSTRIA
2012
Fiber Orientation Effects in Fused Filament Fabrication of Air-Cooled Heat Exchangers
JOM
2018
Angular upsampling of projection measurements in 3D computed tomography using a sparsity prior
2015 IEEE International Conference on Image Processing (ICIP)
2015
Development of a characterization approach for the sintering behavior of new thermoplastics for selective laser sintering
Physics Procedia
2010
An integrated model for statistical and vision monitoring in manufacturing transitions
Quality and Reliability Engineering International
2003
Generalized Newtonian Fluid (GNF) Models
Polymer Rheology
2014
Analysis of fiber damage mechanisms during processing of reinforced polymer melts
Engineering Analysis with Boundary Elements
2002
Fibre Length Reduction in Natural Fibre-Reinforced Polymers during Compounding and Injection Moulding—Experiments Versus Numerical Prediction of Fibre Breakage
Journal of Composites Science
2018
Technical Development of Multi-Resin Three-Dimensional Printer Using Bottom-Up Method
International Journal of Automation and Smart Technology
2018
Mechanical Response of Fiber-Filled Automotive Body Panels Manufactured with the Ku-FizzTM Microcellular Injection Molding Process
Polymers
2022
Manufacturing of a PET Filament from Recycled Material for Material Extrusion (MEX)
Recycling
2022
Polymer composites: Additive manufacturing of composites
Polymer Composites
2022
Natural Rubber Blend Optimization via Data-Driven Modeling: The Implementation for Reverse Engineering
Polymers
2022
Underwater ultrasonic topological waveguides by metal additive manufacturing
Applied Physics Letters
2022
Compounding a High-Permittivity Thermoplastic Material and Its Applicability in Manufacturing of Microwave Photonic Crystals
Materials
2022
Targeted Temperature Manipulation and Analysis of the Influence on Mechanical Properties in Large-Scale Extrusion Additive Manufacturing
Applied Sciences
2022
Melt Conveying in Single-Screw Extruders: Modeling and Simulation
Polymers
2022
Experimental Investigation of In-Plane Shear Behaviour of Thermoplastic Fibre-Reinforced Composites under Thermoforming Process Conditions
Journal of Composites Science
2021
High-force dynamic mechanical analysis of composite sandwich panels for aerospace structures
Composites Part C: Open Access
2021
Novel modeling approach for fiber breakage during molding of long fiber-reinforced thermoplastics
Physics of Fluids
2021
Data enriched lubrication force modeling for a mechanistic fiber simulation of short fiber-reinforced thermoplastics
Physics of Fluids
2021
Editorial for the Special Issue on Discontinuous Fiber Composites, Volume II
Journal of Composites Science
2021
Evaluation of Single-Lap and Block Shear Test Methods in Adhesively Bonded Composite Joints
Journal of Composites Science
2021
Comparative Analysis of the Impact of Additively Manufactured Polymer Tools on the Fiber Configuration of Injection Molded Long-Fiber-Reinforced Thermoplastics
Journal of Composites Science
2020
Validation of Fiber Breakage in Simple Shear Flow with Direct Fiber Simulation
Journal of Composites Science
2020
Significance of Model Parameter Variations in the pARD-RSC Model
Journal of Composites Science
2020
Measuring Fiber Length in the Core and Shell Regions of Injection Molded Long Fiber-Reinforced Thermoplastic Plaques
Journal of Composites Science
2020
A Flow-Dependent Fiber Orientation Model
Journal of Composites Science
2020
Macroscopic fiber orientation model evaluation for concentrated short fiber reinforced polymers in comparison to experimental data
Polymer Composites
2020
Fiber Orientation Predictions—A Review of Existing Models
Journal of Composites Science
2020
Experimental Validation of a Direct Fiber Model for Orientation Prediction
Journal of Composites Science
2020
Experimental study of particle migration in polymer processing
Polymer Composites
2018
Fiber-Reinforced Composite Sandwich Structures by Co-Curing with Additive Manufactured Epoxy Lattices
Journal of Composites Science
2019
Validating a Failure Surface Developed for ABS Fused Filament Fabrication Parts through Complex Loading Experiments
Journal of Composites Science
2019
Editorial for the Special Issue on Discontinuous Fiber Composites
Journal of Composites Science
2018
Prediction of vortex height from mechanical mixing in metal matrix nanocomposite processing by means of dimensional analysis and scaling
Journal of Manufacturing Processes
2014

Education

University of Illinois at Urbana-Champaign

PhD, Mechanical Engineering / January, 1987

Urbana, Illinois, United States of America

South Dakota School of Mines and Technology

M.S., Mechanical Engineering / May, 1982

Rapid City, South Dakota, United States of America

South Dakota School of Mines and Technology

B.S., Mechanical Engineering / May, 1981

Rapid City, South Dakota, United States of America

Experience

University of Wisconsin Madison

Professor / August, 1989Present

Rheinisch Westfalische Technische Hochschule Aachen

Humboldt Fellow / February, 1987June, 1989

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