Invited talks

[4].  Solid state additive manufacturing, as part of the 'Three days workshop on Additive Manufacturing: From Design to Deployment”,  by The Indian Institute of Metals (IIM), IIT Hyderabad chapter. (17-03-2026 to 19-03-2026).  

[3]. Emerging trends in solid-state welding, repairing, and metal additive manufacturing, as part of  one day workshop on 'Welding 4.0: Latest and Future Developments in Welding Technologies' organised by The Institution of Engineers (India), Kochi Local Centre, Kathrikadavu Kaloor, Ernakulam, Kerala - 682 017 on 07/03/2026. 

[2]. Evolution of friction welding in meeting the modern industry needs, Indo-UK Sparc program, Metal additive manufacturing & friction stir processing: present and future, 16th & 17th Sept. 2020. Jointly organized by IIT Patna, IIT Hyderabad, University of Manchester and University of Surrey. (an online webinar)

[1]. Tool durability in stationary shoulder friction stir welding, TMS-2019 (The minerals, materials and materials science conference), 14th March, 2019, San Antonio, Texas, USA. 

Guest lectures

[4].  Online training program on “Metal Additive Manufacturing – Advanced Trends” for BHEL Engineers on 16.03.2026 (Monday) organised by Corporate R&D Division, BHEL, Hyderabad. Delivered a lecture on 'Modeling melt pool, defects, and residual stresses in additive manufacturing'. (Online lecture)

[3].  Program on ‘Metal Additive Manufacturing’ held on 18th and 19th December 2023, Corporate R&D Division, BHEL, Hyderabad. Delivered a lecture on ‘Process Modeling of Metal Additive Manufacturing Processes’. (Online lecture)

[2]. Design for Additive Manufacturing,  Program on Design for Additive Manufacturing held on 11 and 12th January, 2023, Jointly organized by Corporate Learning and Development (CLD)-Human Resource Development Institute (HDRI), Noida; Welding and Research Institution (WRI), BHEL; and CTM-AMPT (Two day's online lecture series).

[1]. Program on Design for Additive Manufacturing held on 11 and 12th January, 2023, Jointly organized by Corporate Learning and Development (CLD)-Human Resource Development Institute (HDRI), Noida; Welding and Research Institution (WRI), BHEL; and CTM-AMPT (Two day's online lecture series). Delivered two lectures on '1. Design for Additive Manufacturing' and '2. Process Modeling of Additive Manufacturing Processes', respectively on 11th and 12th Jan. 2023.    

Publications

International Journals_SCI/SCIE indexed (Listed upside down) 

[15]. Mohan Raj Pandiyan, Yoshiaki Morisada, Kohsaku Ushioda, Hidetoshi Fujii, Buchibabu Vicharapu, Spatial and temporal evolution of temperature, hardness, and residual stress in linear friction welding of wrought and 3D-printed near-net blanks,  Materials & Design, 265, 115892 (2026). https://doi.org/10.1016/j.matdes.2026.115892 [IF: 7.9]

[14]. Sabine Le Roux, Mehdi Salem, Mohammad Shabbar, Buchibabu Vicharapu, Nelson Muthu, Kamel Moussaoui, Anis Hor, Vincent Velay, Effect of process parameters on surface integrity in laser powder bed fusion of Ti-6Al-4V alloy, Sci Rep 15, 43786 (2025). https://doi.org/10.1038/s41598-025-27513-9 [IF: 3.9] 

[13]. Mohan Raj Pandiyan, Arjun Pankajakshan, Chandra Sekhar Perugu, Satish Vasu Kailas, Buchibabu Vicharapu. Towards understanding the structure-property evolution mechanisms in wrought-to-printed and printed-to-printed linear friction welded Ti alloy near net blanks for aerospace applications,  Journal of Materials Processing Technology 338, 118756. https://doi.org/10.1016/j.jmatprotec.2025.118756 [IF: 7.5]

[12]. R Rapaka, H Ladi, D Raja, G Muvvala, T Mukherjee, B Vicharapu, Understanding in-process responses in multi-layer friction stir additive manufacturing: temperature, viscosity, tool torque, and mechanical properties, Journal of Materials Processing Technology 330, 118491. https://doi.org/10.1016/j.jmatprotec.2024.118491 [IF: 7.5]

[11]. Ram Rapaka, Cleber Rodrigo de Lima Lessa, Guilherme Vieira Braga Lemos, Arlan Pacheco Figueiredo, Buchibabu Vicharapu, Thomas Clarke, Amitava De, (2203) Friction taper stitch welding of a duplex stainless steel,  Scientific Reports, 13, 21354. https://doi.org/10.1038/s41598-023-48754-6 [IF: 3.9] 

[10]. Elisangela Pelizzari Bossle, Buchibabu Vicharapu, Guilherme Vieira Braga Lemos, Cleber Rodrigo de Lima Lessa, Luciano Bergmann, Jorge Fernandez dos Santos, Thomas Gabriel Rosauro Clarke, Amitava De, (2023), Metals, 13(1), 146-164. DOI: https://doi.org/10.3390/met13010146 Open Access [IF: 2.695] 

[9].  Vicharapu, B*., Liu, H., Morisada, Y., Fujii, H., De, A., (2021), Degradation of nickel-bonded tungsten carbide tools in friction stir welding of high carbon steel, International Journal of Advanced Manufacturing Technology, 106, 1573-1586. DOI: https://doi.org/10.1007/s00170-021-07159-3. [IF: 2.633]

[8]. Kar, A., Vicharapu,  B*., Morisada, Y., Fujii, H., (2020). Elucidation of interfacial microstructure and properties in friction stir lap welding of aluminium alloy and mild steel, Materials Characterization, 110572. DOI: 10.1016/j.matchar.2020.110572. [IF: 3.562] 

[7].  Kanan, L.F., Vicharapu, B*.,  Pissanti, D.R., Kwietniewski,  C.E.F.,  Clarke, T., De,  A.,  (2020).  An Investigation on Girth Friction Welding of Duplex Stainless Steel Pipes, Journal of Manufacturing Processes,  51, 73-82.  DOI: 10.1016/j.jmapro.2020.01.032. [IF: 4.086]     (First FEM based temperature-displacement fully coupled model for girth friction welding process)

[6]. Vicharapu, B*., Liu, H., Fujii, H., Narasaki, K., Ma, N., De, A., (2020), Probing residual stresses in stationary shoulder friction stir welding, International Journal of Advanced Manufacturing Technology, 106, 1573-1586. DOI: 10.1007/s00170-019-04570-9. [IF: 2.601]    

[5]. Landell, R., Kanan, L.F., Buzzatti, D., Vicharapu, B*., De, A., Clarke, T., (2020), Material flow during friction hydro-pillar processing, Science and Technology of Welding and Joining, 25(3), 228-234. DOI: 10.1080/13621718.2019.1679963. [IF: 2.358]     (First FEM based temperature-displacement fully coupled model for material flow for FHPP).

[4].  Kanan. L.F., Vicharapu. B., Bueno, A.F.B., Clarke, T*., De,  A., (2018).  Friction Hydro-pillar Processing of a high carbon steel -Joint structure and properties, Metallurgical and Materials Transactions B, 49(2), 699-706. DOI: 10.1007/s11663-018-1171-5. [IF: 1.952] 

[3]. Vicharapu. B., Kanan, L. F., Clarke, T*.,  De, A., (2017). An Investigation on Friction Hydro-pillar Processing (FHPP), Science and Technology of Welding and Joining, 22(7), 555-561. (DOI:10.1080/13621718.2016.1274849).  [IF: 2.358]     (First FEM based pure heat transfer model for FHPP)

[2]. Buchibabu, V., Reddy, G. M., De, A*., (2017).  Probing torque, traverse force and tool durability in friction stir welding of aluminum alloys, Journal of Materials Processing Technology, 241(1), 86 - 92. (DOI: 10.1016/j.jmatprotec.2016.11.008). [IF: 4.178]

[1]. Buchibabu, V.,  Reddy, G. M., Kulkarni, D. V., De, A*., (2016).  Friction stir welding of a thick Al-Zn-Mg alloy plate,  Journal of Materials Engineering and Performance, 25(3), 1163 - 1171. (DOI: 10.1007/s11665-016-1924-8). [IF: 1.331]

International Journals_Non-SCI/SCIE indexed (Listed upside down) 

[1]. B. Vicharapu., G.V.B. Lemos*., L. Bergmann., J.F. dos Santos., A. De., T. Clarke., (2020). Probing underlying mechanisms for pcBN tool decay during friction stir welding of nickel-based alloys, Technologia em metalurgia, (The Journal Technology in Metallurgy, Materials and Mining), 18(1), 1-10.  Article download link: https://www.lume.ufrgs.br/handle/10183/221231# 

Conferences (Listed upside down)

[7]. Vicharapu, B., Liu, H., Fujii, H., Ma, N., De, A., (2019), Probing tool durability in stationary shoulder friction stir welding, Friction Stir Welding and Processing X, TMS Series, Springer Nature, https://doi.org/10.1007/978-3-030-05752-7_9 

[6].  Vicharapu, B*., Liu, H., Fujii, H., Ma, N., (2019), Computation of residual stresses in friction stir based welding techniques, The 8th International conference of Welding Science and Engineering (WSE 2019). (Presented at Osaka, Japan on 22nd, Nov.)

[5]. Kar, A*., Morisada, Y., Vicharapu, B., Fujii, H., (2019), Effect of tool rotation speed on microstructure evolution and mechanical properties of dissimilar friction stir lap weld, The 8th International conference of Welding Science and Engineering (WSE 2019).   

[4]. Vicharapu, B*., Liu, H., Morisada, Y., Fujii, H., (2019) Assessment of tool wear in friction stir welding of high carbon steel, Japan Welding Society Autumn Meeting. https://doi.org/10.14920/jwstaikai.2019f.0_350 (Presented at Tohoku, Japan, on 17th-19th, Sept.) 

[3].  Vicharapu, B*., Liu, H., Fujii, H., Ma, N., De, A., (2019), Computation of residual stresses in conventional and stationary shoulder friction stir welding, Japan Welding Society Spring Meeting. https://doi.org/10.14920/jwstaikai.2019s.0_52 (Presented at Tokyo, Japan, 17th, April)

[2].  Vicharapu, B*., Liu, H., Fujii, H., Ma, N., De, A., (2018), Effect of plate thickness on tool durability index in FSW of aluminum alloy, Japan Welding Society Autumn Meeting, https://doi.org/10.14920/jwstaikai.2018f.0_186  (Presented at Matsuyama, Japan, 14th, September)

[1]. Buchibabu, V., De, A*., (2015), Real-time monitoring of torque and traverse force in friction stir welding, National Welding Conference, NWS 2015, 1-4, Jamshedpur, India. (Presented at Jamshedpur, India, 10th, Feb, 2016)