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Journal Articles

The Construction of Biologically Relevant Fiber-Reinforced Hydrogel Geometries Using Air-Assisted Dual-Polarity Electrospinning

Accepted Manuscript
James Nowak, Andrew Kerns, Priyank Patel, Kate Batzinger, Xing Tong, Johnson Samuel
Journal: Journal of Biomechanical Engineering
Article Type: Research-Article
J Biomech Eng.
Paper No: BIO-22-1086
DOI: https://doi.org/10.1115/1.4055038
Published Online: July 22, 2022
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Topics: Construction, Electrospinning, Fibers, Hydrogels, Biomedicine, Engineering prototypes, Additive manufacturing, Air flow, Bifurcation, Composite materials
Journal Articles

A Microstructure-Based Mechanistic Model for Bone Sawing: Part 2—Acoustic Energy Rate Predictions

Roshan Mishra, Michael Conward, Johnson Samuel
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2021, 143(12): 121010.
Paper No: MANU-21-1034
DOI: https://doi.org/10.1115/1.4051237
Published Online: July 5, 2021
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Topics: Bone, Cutting, Sawing, Calibration, Modeling, Acoustic emissions
Journal Articles

A Microstructure-Based Mechanistic Model for Bone Sawing: Part 1—Cutting Force Predictions

Michael Conward, Johnson Samuel
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2021, 143(12): 121009.
Paper No: MANU-21-1033
DOI: https://doi.org/10.1115/1.4051236
Published Online: July 5, 2021
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Topics: Bone, Cutting, Sawing, Thrust, Shear stress
Journal Articles

Sensitivity of Micromilling Responses to Grain Variations in Wire Arc Additively Manufactured Aluminum Alloy 4043

Zhongjia Gao, James F. Nowak, Johnathan Corbin, Lauren Delgado, Johnson Samuel
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. December 2020, 8(4): 041015.
Paper No: JMNM-20-1049
DOI: https://doi.org/10.1115/1.4049818
Published Online: February 22, 2021
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Topics: Additive manufacturing, Aluminum alloys, Cutting, Micromilling, Wear, Wire, Surface roughness, Micromachining, Alloys, Microscopy
Journal Articles

Micro/Meso-Scale Mechanical Machining 2020: A Two-Decade State-of-the-Field Review

Johnson Samuel, Martin B. G. Jun, O. Burak Ozdoganlar, Andrew Honegger, Mike Vogler, Shiv G. Kapoor
Journal: Journal of Manufacturing Science and Engineering
Article Type: Review Articles
J. Manuf. Sci. Eng. November 2020, 142(11): 110809.
Paper No: MANU-20-1013
DOI: https://doi.org/10.1115/1.4047621
Published Online: September 8, 2020
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Topics: Calibration, Cutting, Design, Dynamics (Mechanics), Machine tools, Machining, Modeling, Manufacturing, Cooling, Cutting tools
Journal Articles

Controlled Phase Interactions Between Pulsed Electric Fields, Ultrasonic Motion, and Magnetic Fields in an Anodic Dissolution Cell

Curtis Bradley, Johnson Samuel
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research-Article
J. Manuf. Sci. Eng. April 2018, 140(4): 041010.
Paper No: MANU-17-1176
DOI: https://doi.org/10.1115/1.4038569
Published Online: February 13, 2018
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Topics: Electric fields, Magnetic fields, Machining, Design, Flow (Dynamics)
Journal Articles

A Cohesive Zone Model for the Stamping Process Encountered During Three-Dimensional Printing of Fiber-Reinforced Soft Composites

Clayson C. Spackman, James F. Nowak, Kristen L. Mills, Johnson Samuel
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research-Article
J. Manuf. Sci. Eng. January 2018, 140(1): 011010.
Paper No: MANU-16-1682
DOI: https://doi.org/10.1115/1.4037603
Published Online: November 17, 2017
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Topics: Fibers, Metal stamping, Additive manufacturing, Design, Polymers, Aluminum, Simulation, Rollers
Journal Articles

An In-Process Intervention to Mitigate the Effect of Built-Up Edges in Micromilling

Robert G. Altman, James F. Nowak, Johnson Samuel
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. December 2017, 5(4): 041001.
Paper No: JMNM-16-1076
DOI: https://doi.org/10.1115/1.4037574
Published Online: September 28, 2017
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Proceedings Papers

Graphene Oxide Colloidal Suspensions as Cutting Fluids for Micromachining: Part 1 — Fabrication and Performance Evaluation

Bryan Chu, Eklavya Singh, Johnson Samuel, Nikhil Koratkar
Proc. ASME. MSEC2015, Volume 1: Processing, V001T02A008, June 8–12, 2015
Paper No: MSEC2015-9372
DOI: https://doi.org/10.1115/MSEC2015-9372
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Topics: Cutting, Fluids, Graphene, Manufacturing, Micromachining, Performance evaluation, Cooling, Drops, Evaporation, Geometry
Proceedings Papers

Graphene Oxide Colloidal Suspensions as Cutting Fluids for Micromachining: Part 2 — Droplet Dynamics and Film Formation

Bryan Chu, Johnson Samuel
Proc. ASME. MSEC2015, Volume 1: Processing, V001T02A009, June 8–12, 2015
Paper No: MSEC2015-9373
DOI: https://doi.org/10.1115/MSEC2015-9373
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Topics: Cutting, Drops, Dynamics (Mechanics), Fluids, Graphene, Micromachining, Evaporation, Machining, Fluctuations (Physics), Imaging
Journal Articles

Graphene Oxide Colloidal Suspensions as Cutting Fluids for Micromachining—Part I: Fabrication and Performance Evaluation

Bryan Chu, Eklavya Singh, Johnson Samuel, Nikhil Koratkar
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. December 2015, 3(4): 041002.
Paper No: JMNM-15-1031
DOI: https://doi.org/10.1115/1.4031135
Published Online: August 21, 2015
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Topics: Cutting, Fluids, Graphene, Manufacturing, Micromachining, Temperature, Platelets, Performance evaluation, Surface roughness
Journal Articles

Graphene Oxide Colloidal Suspensions as Cutting Fluids for Micromachining—Part II: Droplet Dynamics and Film Formation

Bryan Chu, Johnson Samuel
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. December 2015, 3(4): 041003.
Paper No: JMNM-15-1032
DOI: https://doi.org/10.1115/1.4031136
Published Online: August 21, 2015
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Topics: Cutting, Drops, Evaporation, Fluids, Graphene, Micromachining, Temperature, Temperature profiles
Journal Articles

An Enhanced Microstructure-Level Finite Element Machining Model for Carbon Nanotube-Polymer Composites

Lingyun Jiang, Chandra Nath, Johnson Samuel, Shiv G. Kapoor
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research-Article
J. Manuf. Sci. Eng. April 2015, 137(2): 021009.
Paper No: MANU-14-1292
DOI: https://doi.org/10.1115/1.4028200
Published Online: April 1, 2015
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Topics: Carbon nanotubes, Composite materials, Damage, Machining, Stress, Polymers, Cutting, Temperature
Journal Articles

A Novel Multimaterial Additive Manufacturing Technique for Fabricating Laminated Polymer Nanocomposite Structures

Clayson C. Spackman, Kyle C. Picha, Garrett J. Gross, James F. Nowak, Philip J. Smith, Jian Zheng, Johnson Samuel, Sandipan Mishra
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. March 2015, 3(1): 011008.
Paper No: JMNM-14-1029
DOI: https://doi.org/10.1115/1.4029263
Published Online: March 1, 2015
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Topics: Additive manufacturing, Design, Engineering prototypes, Fibers, Geometry, Inks, Manufacturing, Nanocomposites, Nanofibers, Polymer nanocomposites
Journal Articles

Micromilling Responses of Hierarchical Graphene Composites

Bryan Chu, Johnson Samuel, Nikhil Koratkar
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research-Article
J. Manuf. Sci. Eng. February 2015, 137(1): 011002.
Paper No: MANU-13-1181
DOI: https://doi.org/10.1115/1.4028480
Published Online: February 1, 2015
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Topics: Composite materials, Cutting, Epoxy resins, Fibers, Graphene, Micromilling, Glass fibers, Wear, Platelets
Proceedings Papers

A Novel Multi-Material Additive Manufacturing Technique for Fabricating Laminated Polymer Nanocomposite Structures

Clayson Spackman, Kyle Picha, Garrett G. Gross, James F. Nowak, Phil J. Smith, Jian Zheng, Johnson Samuel, Sandipan Mishra
Proc. ASME. MSEC2014, Volume 2: Processing, V002T02A022, June 9–13, 2014
Paper No: MSEC2014-4009
DOI: https://doi.org/10.1115/MSEC2014-4009
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Topics: Additive manufacturing, Polymer nanocomposites, Fibers, Polymers, Mechanical properties, Nanoscale phenomena, Ultraviolet radiation, Deflection, Electrospinning, Inks
Proceedings Papers

An Enhanced Microstructure-Level Finite Element Machining Model for Carbon Nanotube (CNT)-Polymer Composites

Lingyun Jiang, Chandra Nath, Johnson Samuel, Shiv G. Kapoor
Proc. ASME. MSEC2014, Volume 2: Processing, V002T02A034, June 9–13, 2014
Paper No: MSEC2014-3925
DOI: https://doi.org/10.1115/MSEC2014-3925
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Topics: Carbon nanotubes, Composite materials, Finite element analysis, Machining, Polymers, Damage, Cutting, Polymer composites, Temperature, Deformation
Proceedings Papers

Analysis of Debris Motion in Vibration Assisted Reverse Micro Electrical Discharge Machining

Sachin A. Mastud, Naman S. Kothari, Ramesh K. Singh, Johnson Samuel, Suhas S. Joshi
Proc. ASME. MSEC2014, Volume 1: Materials; Micro and Nano Technologies; Properties, Applications and Systems; Sustainable Manufacturing, V001T03A017, June 9–13, 2014
Paper No: MSEC2014-4157
DOI: https://doi.org/10.1115/MSEC2014-4157
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Topics: Electrical discharge machining, Vibration, Electrodes, Particulate matter, Flow (Dynamics), Fluids, Reciprocating motion, Displacement, Machining, Simulation results
Journal Articles

A Fundamental Study and Modeling of the Micro-Droplet Formation Process in Near-Field Electrohydrodynamic Jet Printing

William Carter, George C. Popell, Johnson Samuel, Sandipan Mishra
Journal: Journal of Micro and Nano-Manufacturing
Article Type: Research-Article
J. Micro Nano-Manuf. June 2014, 2(2): 021005.
Paper No: JMNM-13-1067
DOI: https://doi.org/10.1115/1.4027099
Published Online: April 8, 2014
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Topics: Drops, Inks, Printing, Signals, Modeling, Shapes
Journal Articles

Estimating the Cohesive Zone Model Parameters of Carbon Nanotube–Polymer Interface for Machining Simulations

Lingyun Jiang, Chandra Nath, Johnson Samuel, Shiv G. Kapoor
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research-Article
J. Manuf. Sci. Eng. June 2014, 136(3): 031004.
Paper No: MANU-12-1292
DOI: https://doi.org/10.1115/1.4024941
Published Online: March 26, 2014
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Topics: Carbon nanotubes, Composite materials, Nanoindentation, Simulation, Stress, Polymers, Finite element analysis