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20212025
most citedSingle-camera Two-Wavelength Imaging Pyrometry for Melt Pool Temperature Measurement and Monitoring in Laser Powder Bed Fusion based Additive Manufacturing

94 citations · 98 across the 4 of their papers we have counts for

collaborators

4 papers

eess.SP2025

Integrating Machine Learning with Multimodal Monitoring System Utilizing Acoustic and Vision Sensing to Evaluate Geometric Variations in Laser Directed Energy Deposition

Ke Xu, Chaitanya Krishna Prasad Vallabh, Souran Manoochehri

Laser directed energy deposition (DED) additive manufacturing struggles with consistent part quality due to complex melt pool dynamics and process variations. While much research t…

cs.CV2024

Binocular Model: A deep learning solution for online melt pool temperature analysis using dual-wavelength Imaging Pyrometry

Javid Akhavan, Chaitanya Krishna Vallabh, Xiayun Zhao +1

In metal Additive Manufacturing (AM), monitoring the temperature of the Melt Pool (MP) is crucial for ensuring part quality, process stability, defect prevention, and overall proce…

eess.SY2023★ 4 cited

Influence of Spattering on In-process Layer Surface Roughness during Laser Powder Bed Fusion

Haolin Zhang, Chaitanya Krishna Prasad Vallabh, Xiayun Zhao

Laser powder bed fusion (LPBF) holds promise to efficiently produce metal parts. However, LPBF incurs stochastic melt pool (MP) spattering, which would roughen workpiece in-process…

eess.SY2021★ 94 cited

Single-camera Two-Wavelength Imaging Pyrometry for Melt Pool Temperature Measurement and Monitoring in Laser Powder Bed Fusion based Additive Manufacturing

Chaitanya Krishna Prasad Vallabh, Xiayun Zhao

Melt pool (MP) temperature is one of the determining factors and key signatures for the properties of printed components during metal additive manufacturing (AM). The state-of-the…