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Proceedings Papers

Layer-Wise Melt Pool Temperature Evolution in Laser Powder Bed Fusion: An Experimental Study Using a Single Camera Based Two-Wavelength Imaging Pyrometry

Chaitanya Krishna Prasad Vallabh, Shawn Hinnebusch, Albert C. To, Xiayun Zhao
Proc. ASME. MSEC2022, Volume 2: Manufacturing Processes; Manufacturing Systems, V002T05A032, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-85387
https://doi.org/10.1115/MSEC2022-85387
View Paper titled, Layer-Wise Melt Pool Temperature Evolution in Laser Powder Bed Fusion: An Experimental Study Using a Single Camera Based Two-Wavelength Imaging Pyrometry
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Topics: Imaging, Lasers, Temperature, Wavelength
Journal Articles

A Novel Mathematical Formulation for Density-Based Topology Optimization Method Considering Multi-Axis Machining Constraint

Hao Deng, Albert C. To
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2022, 144(6): 061702.
Paper No: MD-21-1433
https://doi.org/10.1115/1.4053333
Published Online: January 17, 2022
View Article titled, A Novel Mathematical Formulation for Density-Based Topology Optimization Method Considering Multi-Axis Machining Constraint
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Topics: Density, Design, Machining, Optimization, Topology, Milling
Journal Articles

A Parametric Level Set Method for Topology Optimization Based on Deep Neural Network

Hao Deng, Albert C. To
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. September 2021, 143(9): 091702.
Paper No: MD-20-1595
https://doi.org/10.1115/1.4050105
Published Online: March 18, 2021
View Article titled, A Parametric Level Set Method for Topology Optimization Based on Deep Neural Network
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Topics: Artificial neural networks, Design, Optimization, Topology
Journal Articles

Computer-Aided Design-Based Topology Optimization System With Dynamic Feature Shape and Modeling History Evolution

Jikai Liu, Albert C. To
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2020, 142(7): 071704.
Paper No: MD-19-1040
https://doi.org/10.1115/1.4045301
Published Online: December 18, 2019
View Article titled, Computer-Aided Design-Based Topology Optimization System With Dynamic Feature Shape and Modeling History Evolution
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Topics: Computer-aided design, Design, Modeling, Optimization, Topology, B-splines, Shapes
Journal Articles

Predicting Microstructure Evolution During Directed Energy Deposition Additive Manufacturing of Ti-6Al-4V

Cengiz Baykasoglu, Oncu Akyildiz, Duygu Candemir, Qingcheng Yang, Albert C. To
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. May 2018, 140(5): 051003.
Paper No: MANU-17-1600
https://doi.org/10.1115/1.4038894
Published Online: February 23, 2018
View Article titled, Predicting Microstructure Evolution During Directed Energy Deposition Additive Manufacturing of Ti-6Al-4V
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Topics: Additive manufacturing, Heat, Lasers, Lenses (Optics), Temperature, Simulation, Cooling, Modeling, Cycles, Heating and cooling
Journal Articles

Efficient Design-Optimization of Variable-Density Hexagonal Cellular Structure by Additive Manufacturing: Theory and Validation

Pu Zhang, Jakub Toman, Yiqi Yu, Emre Biyikli, Mesut Kirca, Markus Chmielus, Albert C. To
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. April 2015, 137(2): 021004.
Paper No: MANU-14-1172
https://doi.org/10.1115/1.4028724
Published Online: April 1, 2015
View Article titled, Efficient Design-Optimization of Variable-Density Hexagonal Cellular Structure by Additive Manufacturing: Theory and Validation
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Topics: Density, Design, Finite element analysis, Optimization, Topology, Additive manufacturing
Journal Articles

Highly Enhanced Damping Figure of Merit in Biomimetic Hierarchical Staggered Composites

Pu Zhang, Albert C. To
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. May 2014, 81(5): 051015.
Paper No: JAM-13-1440
https://doi.org/10.1115/1.4026239
Published Online: January 15, 2014
View Article titled, Highly Enhanced Damping Figure of Merit in Biomimetic Hierarchical Staggered Composites
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Topics: Composite materials, Damping, Stiffness, Platelets, Biomimetics, Tension
Journal Articles

On Scattering in a Piezoelectric Medium by a Conducting Crack

Shaofan Li, Albert C. To, Steven D. Glaser
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. November 2005, 72(6): 943–954.
https://doi.org/10.1115/1.2047627
Published Online: April 9, 2005
View Article titled, On Scattering in a Piezoelectric Medium by a Conducting Crack
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Topics: Acoustics, Electromagnetic scattering, Fracture (Materials), Radiation scattering, Scattering (Physics), Waves, Displacement