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Harish Irrinki

ac6fmf@r.postjobfree.com +1-925-***-****

EDUCATION July 2018

(GPA: 4.0)

Ph.D. in Mechanical Engineering

University of Louisville

Thesis: Material-Process-Property Relationship of 17-4 PH Stainless Steel Processed by Laser- Powder Bed Fusion (L-PBF)

Advisor: Dr. Sundar V. Atre

Fall 2013

(GPA: 4.0)

M.Sc. in Mechanical Engineering

University of Louisville

Spring 2009

(GPA: 3.8)

B.Tech. in Mechanical Engineering

Jawaharlal Nehru Technological University

EXPERTISE Materials Stainless steel/ Bronze/ Niobium/ Tungsten/ Molybdenum-rhenium/ Titanium Design Solid Works/ MATLAB/ Inspire/ CATIA/ Magics/ Netfabb/ Ansys/ R(DOE) 3D Printing Concept Laser Mlab/ EOS M 290/ 3DSystem ProX 320/ FDM/ Autodesk Characterization Universal tensile and hardness testing/ SEM/ XRD EXPERIENCE June 2016 - present University of Louisville, Louisville, KY USA Grosscurth Fellow and Graduate Research Assistant

• 4 years of experience in powder-based additive manufacturing design, process, materials and applications development and workflow

• Evaluated and qualified different polymer and metal 3D printers and responsible for the purchase of $300K metal 3D printer, $10K polymer 3D printers and developed an open source printer to meet R&D demands

• Maintained, operated and optimized metal and polymer 3D printers for a lab environment

• Developed a scientific fundamental understanding of the design-materials- process-property relationship for various stainless steel, refractory materials

• Performed optimization of design and AM process to develop applications for various OEM’s (Cummins, Walmart, Amaray, GE Concept Laser, HTS, Mirus, NAH, Sandvik Osprey)

• Communicated technical results with collaborators and business leaders at all levels through formal technical presentations and informal discussions

• Responsible for a 3D printing simulation package donation worth $250K 2

Sep. 2017-Dec. 2017 Tesla

Manufacturing Engineering Intern

• Validated and qualified various AM process (powder-bed, direct energy deposition, electron and laser beam welding) process to develop a techno- economic model

• Demonstrates the techno-economic merits in resulted in adapting AM technology in automobile production using my model Oct. 2014-Jan.2015 Oregon State University

Research Assistant

• Designed and built a height adjusting working table for people with special needs/developmental disabilities for various maintenance and material handling operations by working closely with Willamette Valley Rehabilitation Center (WVRC)

• Implemented 5 step method in concept generation and built customized table under $150

Jul. 2013-Mar.2014 Veljan Hydrair Limited

Research Assistant

• Designed and simulated a human centered mechanical cleaning system using SolidWorks and ANSYS platform

• Design recommendations include using of developed biodegradable cleaning solvents, industrial grade customizable PLC controllers along with servo mechanism motors

Mar. 2013-Jun.2013 Nuclear Fuel Complex

Research Assistant

• Designed and simulated a comprehensive material handling system using SolidWorks and ANSYS platform

• Led a team of 3 undergraduate students and presented a report on system design specifications and perform analysis of 40% increase in storage space and 50% increase in overall work efficiency

AWARDS

2018

2018 & 2017

Hsing Chuang Award for Excellence in Graduate Study NSF- MPIF Student Grant

2017 Metal Injection Molding (MIM) Conference Grant 2017

2016-18

NSF I’Corps Grant, NSF- University of Louisville

Grosscurth Fellowship, University of Louisville

2016

2016

AMPM Best Poster Award

CPMT Axel Madsen Award

2016 Outstanding Presentation Award, ASME

3

OUTREACH H.Irrinki, T. Harper, G.Gupta, J.Stitzel, S.Badwe, O. Gulsoy, S.V.Atre, “Effects of powder characteristics and processing conditions on the corrosion performance of 17-4 PH stainless steel fabricated by laser- powder bed fusion,” Progress in Additive Manufacturing, vol. 3, pp 1 -11, 2018 S.Pasebani, S.Badwe, H.Irrinki, S.V.Atre “Effect of Atomizing Media and Post Processing on the Mechanical Properties of 17-4 PH Stainless Steel Processed via Laser-Powder Bed Fusion,” Additive Manufacturing, vol. 22, pp 127- 137, 2018

H.Irrinki, J.J.Dilip, J.Stitzel, S.Pasebani, S.Badwe, K.H.Kate, O. Gulsoy, S.V.Atre “Mechanical Properties and Microstructures of 17-4 PH Stainless Steel Processed by Laser-Powder Bed Fusion,” Powder Technology, vol. 331, pp 192 – 203, 2018

H.Irrinki, B.Barmore, M.Dexter, R.K.Enneti, J.Stitzel, S.Pasebani, S.Badwe, S.V. Atre, R.Malhotra

“Effects of Powder Attributes and Laser Powder Bed Fusion (L-PBF) Process Conditions on the Densification and Mechanical Properties of 17-4 PH Stainless Steel,” JOM, vol.68, pp 860 – 868, 2016 H.Irrinki, B.Barmore, K.H.Kate, S.V. Atre, “Material Selection for the Production of Injection Molds using Additive Manufacturing,” Metal AM, vol. 2, no. 2, pp 77- 89, 2016 H.Irrinki, S. Nath, M. Ahlfors, O. Gulsoy, J. Stitzel, S.V.Atre “Effect of Hot isostatic Pressing on the Mechanical Properties and Microstructures of 17-4 PH Stainless Steel Processed via Laser-Powder Bed Fusion,” American Ceramics Society, 2018

S.D. Nath, H.Irrinki, M.Kearns, O. Gulsoy, S.V.Atre, “Mechanical Properties and Microstructures of 420 Stainless Steel Processed by Laser-Powder Bed Fusion,” Additive Manufacturing, 2018 (under review) CONFERENCE TALKS

H.Irrinki, S. Nath, M. Ahlfors, O. Gulsoy, J. Stitzel, S.V.Atre “Effect of Powder Attributes and Hot isostatic Pressing on the Mechanical Properties and Microstructures of 17-4 PH Stainless Steel Processed via Laser-Powder Bed Fusion,” AMPM, June, 2018, San Antonio, USA H.Irrinki, S.D. Nath, S.V.Atre, “Mechanical Properties and Microstructures of Bronze Processed by Laser- Powder Bed Fusion,” AMPM, June, 2018, San Antonio, USA H.Irrinki, M.Buxani, J.Ballaro, M.Gatsche, K.H.Kate, S.V.Atre, “ Design and Evaluation of Injection Mold Tool Fabricated by Laser Powder-Bed Fusion with Conformal Cooling Channels,” AMPM, June, 2018, San Antonio, USA

S.D. Nath, H.Irrinki, M.Kearns, O. Gulsoy, S.V.Atre, “Mechanical Properties and Microstructures of 420 Stainless Steel Processed by Laser-Powder Bed Fusion,” AMPM, June, 2018, San Antonio, USA S.D. Nath, H.Irrinki, G. Gupta, M.Kearns, O. Gulsoy, S.V.Atre, “Evaluation of Corrosion Properties of 420 Stainless Steel Processed by Laser-Powder Bed Fusion,” AMPM, June, 2018, San Antonio, USA

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