Boian Alexnadrov

Research Associate Professor

Honors

  • 20151101 Fellow of the American Welding Society.
  • 20131101 Warren F. Savage Memorial Award.
  • 20121101 William Spraragen Memorial Award.
  • 20120501 Lumley Research Award.
  • 20110101 2011 Elmer L. Hann Award.
  • 20100101 First Place Award in Scanning Electron Microscopy.
  • 20100101 Third Place DuBose-Crouse Award for Unique, Unusual, and New Techniques in Microscopy.
  • 20031001-20040901 Fellowship at the Welding Engineering Program, the Ohio State University.
  • 20030501-20030601 Fellowship at the Institute of Joining and Beam Technology, Otto von Guericke University.
  • 20010701-20010801 Cambridge Colleges Hospitality Scheme, Clare College Scholarship.
  • 19940101-19980101 Joint European TEMPUS Projects 4019/93 and 9495/95, five short term Fellowships.
  • 19921001-19930101 Joint European TEMPUS Project 1877/92.
  • 19891001-19891201 Bulgarian Ministry of Education, Scholarship at Dept. Physical Metallurgy.
  • 19881001-19881101 Bulgarian Ministry of Education, Scholarship at Dept. Physical Metallurgy.

Journal Articles

2018

  • Shapiro, A.E.; Landis, A.; Orr, A.; Wieneke, M. et al., 2018, "Testing Options for Silver-Free Brazing Alloys." WELDING JOURNAL 97, no. 5, 56-60 - 56-60.
  • Frei, J.; Alexandrov, B.T.; Rethmeier, M., 2018, "Low heat input gas metal arc welding for dissimilar metal weld overlays part II: the transition zone." Welding in the World 62, no. 2, 317-324 - 317-324.
  • Shapiro, A.E.; Landis, A.; Orr, A.; Wieneke, M. et al., 2018, "Brazing & solderring today;testing options for silver-free brazing alloys brazed joints using a silver-free brazing alloy were evaluated to find its potential for reducing production costs." Welding Journal 97, no. 5, 56-59 - 56-59.

2017

  • Fink, C.; Alexandrov, B.T., 2017, "Effect of post-weld heat treatment on fusion boundary microstructure in dissimilar metal welds for subsea service." Materialpruefung/Materials Testing 59, no. 6, 547-554 - 547-554.
  • Riggs, B.; Benatar, A.; Alexandrov, B.T.; Xu, R., 2017, "Experimental Validation of Damage Zone Models for Lap-Shear Brazed Joints Using DIC." WELDING JOURNAL 96, no. 11, 421S-428S - 421S-428S.

2016

  • 2016, "Low heat input gas metal arc welding for dissimilar metal weld overlays part I: the heat-affected zone." Welding in the World 60, no. 3,
  • Riggs, B.B.; Alexandrov, B.B.; Benatar, A.A.; Xu, R.R., 2016, "Thermodynamic and kinetic simulations of high temperature brazing: microstructure evolution in CMSX-4 joints." Science and Technology of Welding and Joining 1-10 - 1-10.
  • 2016, "Metallurgical characterisations of CMSX-4 vacuumbrazed with BNi-2 and BNi-9." Science and Technology of Welding and Joining DOI: 10.1080/13621718.2016.1218415,

2015

  • Duffey, M.J.; Marchal, J.T.; Loney, M.R.; Alexandrov, B.T. et al., 2015, "Evaluation of new silver-free brazing filler metals: The results of wetting and shear strength testing, and metallurgical characterization of silver-free filler metals designated for brazing low-carbon steel, stainless steel, and ni-plated carbon steel are reported." Welding Journal 94, no. 3, 40-46 - 40-46.
  • 2015, "Evaluation of New Silver-Free Brazing Filler Metals." WELDING JOURNAL 94, no. 3,
  • 2015, "Silver-Free Filler Metals Meet Strength Requirements in Brazed Joints." WELDING JOURNAL 94, no. 11,
  • 2015, "Crack propagation of Ti alloy via adiabatic shear bands." MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 645,

2013

  • 2013, "Use of the cast pin tear test to study solidification cracking." WELDING IN THE WORLD 57, no. 5,
  • 2013, "Fusion boundary microstructure evolution associated with embrittlement of Ni-base alloy overlays applied to carbon steel." WELDING IN THE WORLD 57, no. 1,

2012

  • Yue, X.; Lippold, J.C.; Alexandrov, B.T.; Babu, S.S., 2012, "Continuous cooling transformation behavior in the CGHAZ of naval steels: Continuous cooling transformation diagrams have been constructed for the coarse-grain heat-affected zone of HSLA-65, HSLA-100, and HY-100 steels." Welding Journal 91, no. 3,
  • 2012, "Continuous Cooling Transformation Behavior in the CGHAZ of Naval Steels." WELDING JOURNAL 91, no. 3,
  • 2012, "Solidification Behavior and Weldability of Dissimilar Welds Between a Cr-Free, Ni-Cu Welding Consumable and Type 304L Austenitic Stainless Steel." METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE 43A, no. 4,
  • 2012, "Phase Transformations In Creep Strength Enhanced Ferritic Steel Welds." Machines, Technologies, Materials 6, no. 4,
  • Lolla, T.; Cola, G.; Narayanan, B.; Alexandrov, B. et al., 2012, "Letter to the editor." Materials Science and Technology 28, no. 1, 124-127 - 124-127.
  • 2012, "Comment on 'Development of rapid heating and cooling ( flash processing) process to produce advanced high strength steel microstructures' by Lolla et al., with a response from the authors Response." MATERIALS SCIENCE AND TECHNOLOGY 28, no. 1,

2011

  • Alexandrov B.T., Hope A.T., Sowards J.W., Lippold J.C., and McCracken S.S., 2011, "Weldability Studies of High-Cr, Ni-base Filler Metals for Power Generation Applications." Welding in the World 55, no. 3/4, 65-76 - 65-76.
  • Sowards,J,W; Alexandrov,B,T; Lippold,John; Frankel,G,S, 2011, "Weldability of a New Ni-Cu Welding Consumable for Joining Austenitic Stainless Steels." HOT CRACKING PHENOMENA IN WELDS III 393-413 - 393-413.
  • 2011, Development of rapid heating and cooling (flash processing) process to produce advanced high strength steel microstructures. Materials Science and Technology 27,
  • 2011, "WELDABILITY STUDIES of HIGH-Cr, Ni-BASE filler metals for power generation applications." WELDING IN THE WORLD 55, no. 3-4,
  • 2011, "Alternatives for Joining Stainless Steel to Reduce Cr(VI) Emissions and Occupational Exposures." JOURNAL OF SHIP PRODUCTION AND DESIGN 27, no. 2,
  • 2011, "A New Chromium-free Welding Consumable for Joining Austenitic Stainless Steels." Welding Journal 90,

2010

  • 2010, "A corrosion study of nickel-copper and nickel-copper-palladium welding filler metals." Materials and Corrosion 61,
  • 2010, "Corrosion Resistance Of Welds In Type 304l Stainless Steel Made With A Nickel-Copper-Ruthenium Welding Consumable." Corrosion Science 52,

2008

  • Siefert, J.; Alexandrov, B.; Lippold, J.; Sanders, J. et al., 2008, "Examination of phase transformations during PWHT of steel P91." Welding in the World 52, no. SPEC. ISS., 75-80 - 75-80.

2007

  • 2007, "Single Sensor Differential Thermal Analysis of Phase Transformations and Structural Changes during Welding and Postweld Heat Treatment." Welding in the World 51, no. 11/12,
  • Alexandrov, B.T.; Lippold, J.C., 2007, "Single sensor differential thermal analysis of phase transformations and structural changes during welding and postweld heat treatment." Welding in the World 51, no. 11-12, 48-59 - 48-59.

2006

  • Alexandrov, B.T.; Lippold, J.C., 2006, "In-situ weld metal continuous cooling transformation diagrams." Welding in the World 50, no. 9-10, 65-74 - 65-74.
  • 2006, "In-Situ Weld Metal Continuous Cooling Transformation Diagrams." Welding in the World 50, no. 9/10,
  • Alexandrov, B.; Theis, K.; Streitenberger, M.; Herold, H. et al., 2006, "Cold cracking in weldments of steel S 690 QT." Welding Research Abroad 52, no. 8, 6-15 - 6-15.

2005

  • 2005, "Cold Cracking in Weldments of Steel S690 QT." Welding in the World 49, no. 5/6,
  • Alexandrov, B.; Thels, K.; Streitenberger, M.; Herold, H. et al., 2005, "Cold cracking in weldments of steel S 690 QT." Welding in the World 49, no. 5-6, 64-73 - 64-73.

2004

  • Alexandrov, B.T., 2004, "Hydrogen diffusion coefficient and modelling of hydrogen behaviour in welded joints of structural steels." Welding Research Abroad 50, no. 12, 47-55 - 47-55.

2003

  • 2003, "Hydrogen Diffusion Coefficient and Modelling of Hydrogen Behavior in Welded Joints of Structural Steels." Welding in the World 47, no. 9/10,
  • Alexandrov, B.T., 2003, "Hydrogen diffusion coefficient and modelling of hydrogen behaviour in welded joints of structural steels." Welding in the World, Le Soudage Dans Le Monde 47, no. 9-10, 21-29 - 21-29.
  • 2003, "Applicability of Index for the Microstructural Inhomogeneity of Structural Steels." Journal of Materials Science and Technology 11, no. 1,

2002

  • 2002, "Welding and Testing of Liquefied Gas Containers." Scientific News 9,
  • 2002, "Evaluation of Susceptibility to Cold Cracking during Laser Beam Welding of High Strength Steels." Machine-building Technologies 51, no. 1,
  • 2002, "In-situ Investigation of the Phase Transformations in Ferritic Weld Metal." Scientific News 9,
  • 2002, "In-situ CCT Diagrams in HAZ of Low Alloy Structural Steels." Scientific News 9,

2000

  • 2000, "Hydrogen Behaviour and Testing Duration by the Methods SIV 19 HT and Implant Test." Machine-building 50, no. 2/3,

1992

  • 1992, "Device for Investigating the Kinetics of Diffusible Hydrogen Effusion from Welded Joints." Welding Production 64, no. 2,

1989

  • 1989, "Behaviour of Hydrogen in Heat Affected Zone during Welding of Steel 23G2SAF." Wiss. Z. Uniwersitat Rostock 38, no. 7,
  • 1989, "Procedure and Equipment for Controlled Electrolytic Charging with Hydrogen." Technical Ideas 42, no. 1,