Google Scholar Link: https://scholar.google.com/citations?authuser=2&user=-o1GnvcAAAAJ
Vallabh, Chaitanya Krishna Prasad, Haolin Zhang, David Scott Anderson, Albert C. To, and Xiayun Zhao. "Melt pool width measurement in a multi-track, multi-layer laser powder bed fusion print using single-camera two-wavelength imaging pyrometry." The International Journal of Advanced Manufacturing Technology (2024): 1-11.
Zhang, Zhi, Antony George, Md Ferdous Alam, Christopher Eubel, Chaitanya Vallabh, Max Shtein, Kira Barton, and David J. Hoelzle. "An additive manufacturing testbed to evaluate machine learning based autonomous manufacturing." Journal of Manufacturing Science and Engineering (2023): 1-17..
Akhavan, Javid, Jiaqi Lyu, Youmna Mahmoud, Ke Xu, Chaitanya Krishna Prasad Vallabh, and Souran Manoochehri. "Dataset of in-situ coaxial monitoring and print’s cross-section images by Direct Energy Deposition fabrication." Scientific Data 10, no. 1 (2023): 776.
Zhang, Haolin, Vallabh, Chaitanya Krishna Prasad, and Xiayun Zhao. "Machine learning enhanced high dynamic range fringe projection profilometry for in-situ layer-wise surface topography measurement during LPBF additive manufacturing." Precision Engineering 84 (2023): 1-14.
Zhang, Haolin, Vallabh, Chaitanya Krishna Prasad, and Xiayun Zhao. "Registration and fusion of large-scale melt pool temperature and morphology monitoring data demonstrated for surface topography prediction in LPBF." Additive Manufacturing 58 (2022): 103075.
Vallabh, Chaitanya Krishna Prasad, Soumya Sridar, Wei Xiong, and Xiayun Zhao. "Predicting melt pool depth and grain length using multiple signatures from in-situ single camera two-wavelength imaging pyrometry for laser powder bed fusion." Journal of Materials Processing Technology 308 (2022): 117724.
Vallabh, Chaitanya Krishna Prasad, and Xiayun Zhao. "Melt pool temperature measurement and monitoring during laser powder bed fusion based additive manufacturing via single-camera two-wavelength imaging pyrometry (STWIP)." Journal of Manufacturing Processes 79 (2022): 486-500.
Vallabh, Chaitanya Krishna Prasad, Yue Zhang, and Xiayun Zhao. "In-situ ultrasonic monitoring for Vat Photopolymerization." Additive Manufacturing 55 (2022): 102801.
Haolin, Zhang*, Vallabh, Chaitanya Krishna Prasad*, Yubo Xiong and Xiayun Zhao, “A systematic study and framework of fringe projection profilometry with improved measurement performance for in-situ LPBF process monitoring” Measurement (2022), in press (* co-first author), DOI: https://doi.org/10.1016/j.measurement.2022.110796
Vallabh, Chaitanya Krishna Prasad, and Xiayun Zhao, “Continuous comprehensive monitoring of melt pool morphology under realistic printing scenarios with laser powder bed fusion” 3D Printing and Additive Manufacturing (2021), http://doi.org/10.1089/3dp.2021.0060
Vallabh, Chaitanya Krishna Prasad, Yubo Xiong and Xiayun Zhao “3D Printing of Liquid Metal EGaIn through Laser Induced Forward Transfer: A proof-of-concept study”, Manufacturing Letters (2021), DOI: 10.1016/j.mfglet.2021.03.004
Vallabh, Chaitanya Krishna Prasad, and Cetin Cetinkaya “Single particle adhesion variability in additive manufacturing powders”, The Journal of Adhesion (2019), DOI: 10.1080/00218464.2019.1622094
Vallabh, Chaitanya Krishna Prasad, and Cetin Cetinkaya. "Adhesion distribution on the surface of a single microparticle." Applied Physics Letters 109.12 (2016): 121602.
Vallabh, Chaitanya Krishna Prasad, James D. Stephens, Grazyna Kmiecik-Lawrynowicz, Santokh Badesha, and Cetin Cetinkaya. "Effect of surface temperature on adhesion of nanoparticle-coated microparticles." Powder Technology 298 (2016): 57-64.
Vallabh, Chaitanya Krishna Prasad, James D. Stephens, and Cetin Cetinkaya. "Effect of surface temperature on microparticle-surface adhesion." Applied Physics Letters 107.4 (2015): 041607.
Vallabh, Chaitanya Krishna Prasad, James D. Stephens, Grazyna Kmiecik-Lawrynowicz, Santokh Badesha, Maura Sweeney, and Cetin Cetinkaya. "Predicting electrostatic charge on single microparticles." Powder Technology 286 (2015): 684-696.
Vallabh, Chaitanya Krishna Prasad, Armin Saeedi Vahdat, and Cetin Cetinkaya. "Charge contribution to patch-charged microparticle adhesion." Applied Physics Letters 105.21 (2014): 211905.
Xu, Xiaochi, Chaitanya Krishna Prasad Vallabh, Ajay Krishnan, Scott Volk, and Cetin Cetinkaya. "In-Process Thread Orientation Monitoring in Additive Manufacturing." 3D Printing and Additive Manufacturing 6, no. 1 (2019): 21-30.
Xu, Xiaochi, Chaitanya Krishna Prasad Vallabh, Stephen W. Hoag, Vivek S. Dave, and Cetin Cetinkaya. "Early detection of capping risk in pharmaceutical compacts." International journal of pharmaceutics 553, no. 1-2 (2018): 338-348.
Xu, Xiaochi, Connor Mack, Zachary J. Cleland, Chaitanya Krishna Prasad Vallabh, Vivek S. Dave, and Cetin Cetinkaya. "Correlation of solid dosage porosity and tensile strength with acoustically extracted mechanical properties." International journal of pharmaceutics 542, no. 1-2 (2018): 153-163.
Xu, Xiaochi, Chaitanya Krishna Prasad Vallabh, Zachary James Cleland, and Cetin Cetinkaya. "Phononic Crystal Artifacts for Real-Time In Situ Quality Monitoring in Additive Manufacturing." Journal of Manufacturing Science and Engineering 139, no. 9 (2017): 091001.
Farzi, Bahman, Chaitanya Krishna Prasad Vallabh, James D. Stephens, and Cetin Cetinkaya. "Pre-rolling leaning of microparticles." Powder Technology 311 (2017): 88-100.
Farzi, Bahman, Chaitanya Krishna Prasad Vallabh, James D. Stephens, and Cetin Cetinkaya. "Critical rolling angle of microparticles." Applied Physics Letters 108 (2016): 111602.
Vahdat, Armin Saeedi, Chaitanya Krishna Prasad Vallabh, Bruno C. Hancock, and Cetin Cetinkaya. "Ultrasonic approach for viscoelastic and microstructure characterization of granular pharmaceutical tablets." International journal of pharmaceutics 454, no. 1 (2013): 333-343.
1. Caputo, Alexander, Richard W. Neu, Vallabh, Chaitanya Krishna Prasad, Xiayun Zhao, and Haolin Zhang. "Investigating the Influence of Build Parameters and Porosity on Fatigue of AM IN718." In TMS Annual Meeting & Exhibition, pp. 571-591. Cham: Springer Nature Switzerland, 2023.
2. Lyu, Jiaqi, Javid Akhavan, Youmna Mahmoud, Ke Xu, Vallabh, Chaitanya Krishna Prasad, and Souran Manoochehri “Real-Time Monitoring and Gaussian Process-Based Estimation of the Melt Pool Profile in Direct Energy Deposition”, ASME MSEC 2023, In Press
3. Vallabh, Chaitanya Krishna Prasad, Shawn Hinnebusch, Albert C. To, and Xiayun Zhao. "Layer-Wise Melt Pool Temperature Evolution in Laser Powder Bed Fusion: An Experimental Study Using a Single Camera Based Two-Wavelength Imaging Pyrometry." In International Manufacturing Science and Engineering Conference, vol. 85819, p. V002T05A032. American Society of Mechanical Engineers, 2022.
4. Vallabh, Chaitanya Krishna Prasad, Yubo Xiong and Xiayun Zhao “In-situ monitoring of laser powder bed fusion process anomalies via a comprehensive analysis of off-axis camera data”, ASME 2020 15th International Manufacturing Science and Engineering Conference, DOI: https://doi.org/10.1115/MSEC2020-8300
5. Armin Saeedi Vahdat, Chaitanya Krishna Prasad Vallabh, Bruno C. Hancock, and Cetin Cetinkaya, “Viscoelastic and Microstructure Characterization of Granular Pharmaceutical Compactions”, 4th Canadian Conference on Nonlinear Solid Mechanics (CanCNSM 2013).
Zhao, Xiayun, and Chaitanya Krishna Prasad Vallabh. "Systems and methods of adaptive two-wavelength single-camera imaging thermography (ATSIT) for accurate and smart in-situ process temperature measurement during metal additive manufacturing." U.S. Patent No. 11,874,176. 16 Jan. 2024.
1. Layer-wise Melt Pool Temperature Evolution in Laser Powder Bed Fusion: An Experimental Study Using a Single Camera Based Two-Wavelength Imaging Pyrometry, ASME MSEC 2022, June 27 – July 1, 2022, Purdue University, IN
2. In-situ Melt Pool Monitoring and Temperature Estimation via Two-wavelength Pyrometry Using a Single Camera, Solid Freeform Fabrication 2021, August 2-4, 2021, Virtual Meeting