HR job title
- Associate Professor
- Contact Info
Sagapuram, Dinakar Assistant Professor
Positions
- Assistant Professor, Industrial and Systems Engineering, College of Engineering
Dr. Sagapuram focuses his teaching and research in advanced structural materials, materials processing, manufacturing and tribology. Specific topics of interest include mechanics of large-strain plasticity, plastic flow instabilities, localization and failure mechanisms with application to cutting and metal deformation processes; and process mechanics-structure-property relationships in lightweight alloy systems. His group integrates analytical and computational models with high-speed imaging, image analysis and other in-situ experimental tools to understand physical mechanisms that govern material deformation and process mechanics at micro to macro length-scales.
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Overview
Publications
selected publications
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academic article
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Chawla, H., Yadav, S., Aprahamian, H., & Sagapuram, D.
(2023).
Determining large-strain metal plasticity parameters using in situ measurements of plastic flow past a wedge. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.
479(2275), 20230061.
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Feng, G., & Sagapuram, D.
(2021).
A strong basis for friction as the origin of size effect in cutting of metals. International Journal of Machine Tools and Manufacture.
168, 103741-103741.
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Ma, X., Zhao, D., Yadav, S., Sagapuram, D., & Xie, K. Y.
(2020).
Grain-subdivision-dominated microstructure evolution in shear bands at high rates. MATERIALS RESEARCH LETTERS.
8(9), 328-334.
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Yadav, S., & Sagapuram, D.
(2020).
Nucleation properties of isolated shear bands. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.
476(2241), 20200529-20200529.
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Yadav, S., & Sagapuram, D.
(2020).
In situ analysis of shear bands and boundary layer formation in metals. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.
476(2234), 20190519-20190519.
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Sagapuram, D., Udupa, A., Viswanathan, K., Mann, J. B., M'Saoubi, R., Sugihara, T., & Chandrasekar, S.
(2020).
On the Cutting of Metals: A Mechanics Viewpoint. 142(11),
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Viswanathan, K., Yadav, S., & Sagapuram, D.
(2020).
Shear Bands in Materials Processing: Understanding the Mechanics of Flow Localization From Zener's Time to the Present. Applied Mechanics Reviews.
72(6),
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Feng, G., & Sagapuram, D.
(2020).
Size effect and friction in cutting of metals on the small scale. 69(1), 77-80.
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Mallick, D. D., Zhao, M., Parker, J., Kannan, V., Bosworth, B. T., Sagapuram, D., Foster, M. A., & Ramesh, K. T.
(2019).
Laser-Driven Flyers and Nanosecond-Resolved Velocimetry for Spall Studies in Thin Metal Foils. Experimental mechanics.
59(5), 611-628.
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Yadav, S., Feng, G., & Sagapuram, D.
(2019).
Dynamics of shear band instabilities in cutting of metals. 68(1), 45-48.
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Yadav, S., & Sagapuram, D.
(2019).
Nucleation and Boundary Layer Growth of Shear Bands in Machining. 141(10),
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Iquebal, A. S., Sagapuram, D., & Bukkapatnam, S.
(2019).
Surface plastic flow in polishing of rough surfaces. Scientific Reports.
9(1), 10617.
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Sagapuram, D., Viswanathan, K., Trumble, K. P., & Chandrasekar, S.
(2018).
A common mechanism for evolution of single shear bands in large-strain deformation of metals. Philosophical Magazine.
98(36), 3267-3299.
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Sagapuram, D., & Viswanathan, K.
(2018).
Evidence for Bingham plastic boundary layers in shear banding of metals. Extreme Mechanics Letters.
25, 27-36.
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Sagapuram, D., & Viswanathan, K.
(2018).
Viscous Shear Banding in Cutting of Metals. 140(11),
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Viswanathan, K., Udupa, A., Yeung, H. o., Sagapuram, D., Mann, J. B., Saei, M., & Chandrasekar, S.
(2017).
On the stability of plastic flow in cutting of metals. 66(1), 69-72.
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Sagapuram, D., Viswanathan, K., Mahato, A., Sundaram, N. K., M'Saoubi, R., Trumble, K. P., & Chandrasekar, S.
(2016).
Geometric flow control of shear bands by suppression of viscous sliding. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.
472(2192), 20160167-20160167.
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Kustas, A. B., Sagapuram, D., Trumble, K. P., & Chandrasekar, S.
(2016).
Texture Development in High-Silicon Iron Sheet Produced by Simple Shear Deformation. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science.
47A(6), 3095-3108.
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Sagapuram, D., Efe, M., Trumble, K. P., & Chandrasekar, S.
(2016).
Flow transitions and flow localization in large-strain deformation of magnesium alloy. Materials Science & Engineering: A.
659, 295-305.
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Sagapuram, D., Kustas, A. B., Compton, W. D., Tumble, K. P., & Chandrasekar, S.
(2015).
Direct Single-Stage Processing of Lightweight Alloys Into Sheet by Hybrid Cutting-Extrusion. 137(5), 051002.
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Askari, H., Maughan, M. R., Abdolrahim, N., Sagapuram, D., Bahr, D. F., & Zbib, H. M.
(2015).
A stochastic crystal plasticity framework for deformation of micro-scale polycrystalline materials. International journal of plasticity.
68, 21-33.
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Suslova, A., El-Atwani, O., Sagapuram, D., Harilal, S. S., & Hassanein, A.
(2015).
Corrigendum: recrystallization and grain growth induced by ELMs-like transient heat loads in deformed tungsten samples. Scientific Reports.
5(1), 8950.
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Sagapuram, D., Yeung, H. o., Guo, Y., Mahato, A., M'Saoubi, R., Compton, W. D., Trumble, K. P., & Chandrasekar, S.
(2015).
On control of flow instabilities in cutting of metals. 64(1), 49-52.
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Suslova, A., El-Atwani, O., Sagapuram, D., Harilal, S. S., & Hassanein, A.
(2014).
Recrystallization and grain growth induced by ELMs-like transient heat loads in deformed tungsten samples. Scientific Reports.
4(1), 6845.
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Sagapuram, D., Wang, Z., & Saldana, C.
(2014).
Thermal stability of nanotwinned and nanocrystalline microstructures produced by cryogenic shear deformation. Philosophical Magazine.
94(30), 3413-3430.
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Sagapuram, D., Efe, M., Moscoso, W., Chandrasekar, S., & Trumble, K. P.
(2013).
Controlling texture in magnesium alloy sheet by shear-based deformation processing. ACTA MATERIALIA.
61(18), 6843-6856.
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Guo, Y., Efe, M., Moscoso, W., Sagapuram, D., Trumble, K. P., & Chandrasekar, S.
(2012).
Deformation field in large-strain extrusion machining and implications for deformation processing. Scripta Materialia.
66(5), 235-238.
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Chawla, H., Yadav, S., Aprahamian, H., & Sagapuram, D.
(2023).
Determining large-strain metal plasticity parameters using in situ measurements of plastic flow past a wedge. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.
479(2275), 20230061.
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chapter
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Viswanathan, K., Udupa, A., Sagapuram, D., & Mann, J. B.
(2019).
What Do Chip Morphologies Tell Us About the Cutting Process?. Advances in Forming, Machining and Automation.
(pp. 349-359).
Springer Nature.
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Sagapuram, D., Efe, M., Moscoso, W., Chandrasekar, S., & Trumble, K. P.
(2016).
Non-Basal Textures in Magnesium Alloy Strips Produced by Extrusion-Machining. Essential Readings in Magnesium Technology.
(pp. 395-399).
Springer Nature.
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Sagapuram, D., Efe, M., Moscoso, W., Chandrasekar, S., & Trumble, K. P.
(2014).
NonBasal Textures in Magnesium Alloy Strips Produced by Extrusionmachining. Essential Readings in Magnesium Technology.
(pp. 395-399).
Wiley.
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Sagapuram, D., Efe, M., Moscoso, W., Chandrasekar, S., & Trumble, K. P.
(2012).
Non-Basal Textures in Magnesium Alloy Strips Produced by Extrusion-Machining. Magnesium Technology 2012.
(pp. 121-125).
Springer Nature.
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Viswanathan, K., Udupa, A., Sagapuram, D., & Mann, J. B.
(2019).
What Do Chip Morphologies Tell Us About the Cutting Process?. Advances in Forming, Machining and Automation.
(pp. 349-359).
Springer Nature.
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conference paper
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Yadav, S., & Sagapuram, D.
(2019).
NUCLEATION AND BOUNDARY LAYER GROWTH OF SHEAR BANDS IN MACHINING
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Yadav, S., Murthy, T. G., & Sagapuram, D.
(2018).
AN EXPERIMENTAL STUDY OF WEDGE INDENTATION OF POROUS SOLIDS: IMPLICATIONS FOR CUTTING AND DRILLING PROCESSES. v002t04a030-v002t04a030.
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Kuttolamadom, M., Liu, M., Wang, J., Tai, B., Noynaert, S., Sagapuram, D., & Kennedy, M.
(2018).
Board 78: Interdisciplinary Research Experiences for Undergraduates in Metrology and Non-Destructive Inspection
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Kuttolamadom, M., Liu, M. A., Wang, J., Tai, B. L., Noynaert, S. F., Sagapuram, D., & Kennedy, M. S.
(2018).
Interdisciplinary research experiences for undergraduates in metrology and non-destructive inspection. ASEE Annual Conference and Exposition, Conference Proceedings.
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Sagapuram, D., & Viswanathan, K.
(2018).
VISCOUS SHEAR BANDING IN CUTTING OF METALS. v002t04a032-v002t04a032.
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Yadav, S., Sagapuram, D., & Murthy, T. G.
(2017).
A comparative study of indentation deformation fields in porous ductile and brittle solids. 945-951.
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Kustas, A. B., Sagapuram, D., Chandrasekar, S., & Trumble, K. P.
(2015).
Deformation and recrystallization texture development in Fe-4% Si subjected to large shear deformation. IOP Conference Series: Materials Science and Engineering.
012054-012054.
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Sagapuram, D., Efe, M., Trumble, K. P., & Chandrasekar, S.
(2014).
Enabling shear textures and fine-grained structures in Magnesium sheet by machining-based deformation processing. IOP Conference Series: Materials Science and Engineering.
012155-012155.
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Guo, Y., Sagapuram, D., Mahato, A., MSaoubi, R., Trumble, K. P., & Chandrasekar, S.
(2014).
Understanding Deformation on Machined Surfaces. v001t01a007-v001t01a007.
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Sagapuram, D., Efe, M., Moscoso, W., Chandrasekar, S., & Trumble, K. P.
(2012).
Deformation Temperature Effects on Microstructure and Texture Evolution in High Strain Rate Extrusion-Machining of Mg-AZ31B. Materials Science Forum.
52-+.
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Sagapuram, D., Efe, M., Moscoso, W., Chandrasekar, S., & Trumble, K. P.
(2012).
NON-BASAL TEXTURES IN MAGNESIUM ALLOY STRIPS PRODUCED BY EXTRUSION-MACHINING. Magnesium Technology -Symposium-.
121-125.
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Yadav, S., & Sagapuram, D.
(2019).
NUCLEATION AND BOUNDARY LAYER GROWTH OF SHEAR BANDS IN MACHINING
Research
co-principal investigator on
- REU Site: Interdisciplinary Research Experiences in Metrology & Non-Destructive Inspection awarded by National Science Foundation - (Arlington, Virginia, United States) 2017 - 2021
- Workshop: US-Italy Collaborative Research in Advanced Manufacturing; Washington, D.C.; June 2017 awarded by National Science Foundation - (Arlington, Virginia, United States) 2017 - 2020
Teaching
teaching activities
- ISEN281 Essent Mdrn Mftg Meth Engr Des Instructor
- ISEN289 Sptp: Essentials Of Modern Man Instructor
- ISEN370 Production Systems Engr Instructor
- ISEN485 Directed Studies Instructor
- ISEN489 Sptp: Manuf Proc Engr Instructor
- ISEN491 Hnr-research Instructor
- ISEN654 Mfg Sys Plan And Anlys Instructor
- ISEN658 Principles Manuf Processes Instructor
- ISEN685 Directed Studies Instructor
- ISEN689 Sptp: Principles Of Mfg Proc Instructor
- ISEN691 Research Instructor
- MSEN691 Research Instructor
Background
education and training
- Ph.D. in Materials Engineering, Purdue University - (West Lafayette, Indiana, United States) 2013
- B.T. in Metallurgical & Materials Engineering, Indian Institute of Technology Madras - (Chennai, Tamil Nadu, India) 2009
awards and honors
Contact
first name
- Dinakar
has last name
- Sagapuram
mailing address
-
Texas A&M University
Industrial Engineering
3131 TAMU
College Station, TX 77843-3131
USA
Other
- dinakar@tamu.edu