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Rajiv Malhotra
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Journal Articles

A Differentiable Physics-Informed Machine Learning Approach to Model Laser-based Micro-Manufacturing Process

Accepted Manuscript
Manaswin Oddiraju, Jeremy Cleeman, Rajiv Malhotra, Souma Chowdhury
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng.
Paper No: MANU-24-1577
https://doi.org/10.1115/1.4067355
Published Online: December 6, 2024
View Article titled, A Differentiable Physics-Informed Machine Learning Approach to Model Laser-based Micro-Manufacturing Process
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Topics: Lasers, Machine learning, Manufacturing, Micromanufacturing, Physics, Heat conduction, Artificial neural networks, Boundary-value problems, Complex systems, Convolutional neural networks
Proceedings Papers

Real-Time Recovery From Cyberattacks on Manufacturing Processes

Brijesh Mangrolia, Jeremy Cleeman, Anandkumar Patel, Adrian Jackson, Rajiv Malhotra
Proc. ASME. ISFA2024, 2024 International Symposium on Flexible Automation, V001T01A001, July 21–24, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ISFA2024-139964
https://doi.org/10.1115/ISFA2024-139964
View Paper titled, Real-Time Recovery From Cyberattacks on Manufacturing Processes
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Topics: Cyber-attacks, Manufacturing, Artificial intelligence, Economics , Real-time control, Resilience, Resolution (Optics), Roads
Proceedings Papers

Toolpath Synthesis and Mechanical Properties in Multiplexed Fused Filament Fabrication

Jeremy Cleeman, Adrian Jackson, Anandkumar Patel, Rajiv Malhotra
Proc. ASME. MSEC2024, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering, V001T01A052, June 17–21, 2024
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2024-126798
https://doi.org/10.1115/MSEC2024-126798
View Paper titled, Toolpath Synthesis and Mechanical Properties in Multiplexed Fused Filament Fabrication
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Topics: Additive manufacturing, Manufacturing, Mechanical properties, Toolpaths, Junctions, Extruding, Resolution (Optics), Biomedicine, Geometry, Innovation
Journal Articles

Transfer Learning for Predictive Quality in Laser-Induced Plasma Micro-Machining

Mengfei Chen, Rajiv Malhotra, Weihong “Grace” Guo
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. December 2022, 10(4): 041003.
Paper No: JMNM-23-1028
https://doi.org/10.1115/1.4064010
Published Online: December 6, 2023
View Article titled, Transfer Learning for Predictive Quality in Laser-Induced Plasma Micro-Machining
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Topics: Acoustic emissions, Artificial neural networks, Lasers, Micromachining, Plasmas (Ionized gases), Signals
Proceedings Papers

Magnetically Assisted Laser Induced Plasma Micromachining (M-LIPMM)

Jeremy Cleeman, Weihong Guo, Rajiv Malhotra
Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T06A026, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-104931
https://doi.org/10.1115/MSEC2023-104931
View Paper titled, Magnetically Assisted Laser Induced Plasma Micromachining (M-LIPMM)
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Topics: Lasers, Magnetic fields, Micromachining, Plasmas (Ionized gases)
Proceedings Papers

Transfer Learning for Predictive Quality in Laser-Induced Plasma Micro-Machining

Mengfei Chen, Rajiv Malhotra, Weihong “Grace” Guo
Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T07A015, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-106174
https://doi.org/10.1115/MSEC2023-106174
View Paper titled, Transfer Learning for Predictive Quality in Laser-Induced Plasma Micro-Machining
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Topics: Acoustic emissions, Lasers, Micromachining, Plasmas (Ionized gases)
Proceedings Papers

Highly Parsimonious Multi-Fidelity Learning of Process Parameter-Performance Relationships: A Case Study With Fused Filament Fabrication

Jeremy Cleeman, Rajiv Malhotra
Proc. ASME. MSEC2023, Volume 2: Manufacturing Equipment and Automation; Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T06A031, June 12–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2023-105178
https://doi.org/10.1115/MSEC2023-105178
View Paper titled, Highly Parsimonious Multi-Fidelity Learning of Process Parameter-Performance Relationships: A Case Study With Fused Filament Fabrication
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Topics: Machine learning, Manufacturing
Proceedings Papers

Multiplexed 3D Printing of Thermoplastics

Jeremy Cleeman, Alex Bogut, Brijesh Mangrolia, Adeline Ripberger, Arad Maghouli, Kunal Kate, Rajiv Malhotra
Proc. ASME. MSEC2022, Volume 1: Additive Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation; Nano/Micro/Meso Manufacturing, V001T01A004, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-80882
https://doi.org/10.1115/MSEC2022-80882
View Paper titled, Multiplexed 3D Printing of Thermoplastics
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Topics: Additive manufacturing, Manufacturing, Resolution (Optics), Temperature, Bonding, Construction, Engineering simulation, Extruding, Failure, Flow (Dynamics)
Proceedings Papers

Enhancing Conductivity in 3D Bulk-Embedded Electronics

Md. Naim Jahangir, Jeremy Cleeman, Rajiv Malhotra
Proc. ASME. MSEC2020, Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T08A011, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8361
https://doi.org/10.1115/MSEC2020-8361
View Paper titled, Enhancing Conductivity in 3D Bulk-Embedded Electronics
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Topics: Additive manufacturing, Damage, Electrical conductivity, Electronics, Sintering, Thermal conductivity
Proceedings Papers

Conformal Circuit Fabrication via Flash Light Sintering and Forming

Harish Devaraj, Rajiv Malhotra
Proc. ASME. MSEC2019, Volume 2: Processes; Materials, V002T03A014, June 10–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2019-2778
https://doi.org/10.1115/MSEC2019-2778
View Paper titled, Conformal Circuit Fabrication via Flash Light Sintering and Forming
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Topics: Circuits, Manufacturing, Sintering
Journal Articles

Scalable Forming and Flash Light Sintering of Polymer-Supported Interconnects for Surface-Conformal Electronics

Harish Devaraj, Rajiv Malhotra
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. April 2019, 141(4): 041014.
Paper No: MANU-18-1713
https://doi.org/10.1115/1.4042610
Published Online: February 28, 2019
View Article titled, Scalable Forming and Flash Light Sintering of Polymer-Supported Interconnects for Surface-Conformal Electronics
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Topics: Circuits, Electronics, Fluence (Radiation measurement), Manufacturing, Polymers, Printing, Sintering, Temperature, Silver, Geometry
Proceedings Papers

Effect of Size Distribution on Optical Absorption During Intense Pulsed Light Sintering of Metal Nanoparticles

Harish Devaraj, Hyun-Jun Hwang, Rajiv Malhotra
Proc. ASME. IMECE2018, Volume 2: Advanced Manufacturing, V002T02A044, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-87038
https://doi.org/10.1115/IMECE2018-87038
View Paper titled, Effect of Size Distribution on Optical Absorption During Intense Pulsed Light Sintering of Metal Nanoparticles
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Topics: Absorption, Metals, Nanoparticles, Sintering, Bridges (Structures), Light, Manufacturing, Packing (Shipments), Packings (Cushioning), Silver
Proceedings Papers

Rapid Intense Pulse Light Sintering of Copper Sulphide Nanoparticle Films

Shalu Bansal, Zhongwei Gao, Chih-hung Chang, Rajiv Malhotra
Proc. ASME. MSEC2017, Volume 1: Processes, V001T02A067, June 4–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2017-2739
https://doi.org/10.1115/MSEC2017-2739
View Paper titled, Rapid Intense Pulse Light Sintering of Copper Sulphide Nanoparticle Films
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Topics: Copper, Nanoparticles, Sintering, Thin films, Electrical properties, Coatings, Crystal structure, Electronics, Metals, Semiconductors (Materials)
Proceedings Papers

Effect of Particle Shape on Neck Growth and Shrinkage of Nanoparticles

Elham Mirkoohi, Rajiv Malhotra
Proc. ASME. MSEC2017, Volume 2: Additive Manufacturing; Materials, V002T01A026, June 4–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2017-2811
https://doi.org/10.1115/MSEC2017-2811
View Paper titled, Effect of Particle Shape on Neck Growth and Shrinkage of Nanoparticles
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Journal Articles

Special Section: Scalable Nanomanufacturing

Rajiv Malhotra
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Editorial
J. Micro Nano-Manuf. December 2016, 4(4): 040201.
Paper No: JMNM-16-1040
https://doi.org/10.1115/1.4034644
Published Online: October 10, 2016
View Article titled, Special Section: Scalable Nanomanufacturing
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Topics: Nanomanufacturing
Proceedings Papers

Mechanical Properties and Chain Orientation in Single Point Incremental Forming of Semi-Crystalline Polyamide

Mohammad Ali Davarpanah, Shalu Bansal, Rajiv Malhotra
Proc. ASME. MSEC2016, Volume 1: Processing, V001T02A061, June 27–July 1, 2016
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2016-8533
https://doi.org/10.1115/MSEC2016-8533
View Paper titled, Mechanical Properties and Chain Orientation in Single Point Incremental Forming of Semi-Crystalline Polyamide
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Topics: Chain, Mechanical properties, Polymers, Relaxation (Physics), Differential scanning calorimetry, Ductility, Fracture toughness, Nylon fabrics, Rotation, Stress
Proceedings Papers

The Coupling Between Densification and Optical Heating in Intense Pulsed Light Sintering of Silver Nanoparticles

Shalu Bansal, Chih-Hung Chang, Rajiv Malhotra
Proc. ASME. MSEC2016, Volume 1: Processing, V001T02A082, June 27–July 1, 2016
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2016-8693
https://doi.org/10.1115/MSEC2016-8693
View Paper titled, The Coupling Between Densification and Optical Heating in Intense Pulsed Light Sintering of Silver Nanoparticles
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Topics: Heating, Nanoparticles, Silver, Sintering, Nanoscale phenomena, Temperature, Shapes, Sinter (Metallurgy), Thin films
Journal Articles

Influence of Single Point Incremental Forming on Mechanical Properties and Chain Orientation in Thermoplastic Polymers

Mohammad Ali Davarpanah, Shalu Bansal, Rajiv Malhotra
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. February 2017, 139(2): 021012.
Paper No: MANU-15-1650
https://doi.org/10.1115/1.4034036
Published Online: September 21, 2016
View Article titled, Influence of Single Point Incremental Forming on Mechanical Properties and Chain Orientation in Thermoplastic Polymers
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Topics: Chain, Mechanical properties, Polymers, Relaxation (Physics), Stress, Temperature, Yield stress, Deformation, Fracture toughness
Journal Articles

Special Issue: Innovations in Materials Forming Processes

Rajiv Malhotra, Ph.D, Matteo Strano, Ph.D., Edmund W. Chu, Ph.D.
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Guest Editorial
J. Manuf. Sci. Eng. September 2016, 138(9): 090301.
Paper No: MANU-16-1395
https://doi.org/10.1115/1.4034281
Published Online: August 3, 2016
View Article titled, Special Issue: Innovations in Materials Forming Processes
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Topics: Deformation, Forming techniques, Joining, Metalworking, Sheet metal work, Welding
Proceedings Papers

Effect of Incremental Depth and Part Shape on Failure Modes in Single Point Incremental Forming of Polymers

Mohammad Ali Davarpanah, Rajiv Malhotra
Proc. ASME. MSEC2015, Volume 1: Processing, V001T02A092, June 8–12, 2015
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2015-9263
https://doi.org/10.1115/MSEC2015-9263
View Paper titled, Effect of Incremental Depth and Part Shape on Failure Modes in Single Point Incremental Forming of Polymers
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Topics: Failure mechanisms, Polymers, Shapes, Failure, Metals, Tooling, Work hardening