Boian Alexnadrov

Research Associate Professor

Honors

  • 2015 Fellow of the American Welding Society. .
  • 2013 Warren F. Savage Memorial Award. .
  • 2012 Lumley Research Award. .
  • 2012 William Spraragen Memorial Award. .
  • 2011 2011 Elmer L. Hann Award. .
  • 2010 Third Place DuBose-Crouse Award for Unique, Unusual, and New Techniques in Microscopy. .
  • 2010 First Place Award in Scanning Electron Microscopy. .
  • 2003-2004 Fellowship at the Welding Engineering Program, the Ohio State University. .
  • 2003 Fellowship at the Institute of Joining and Beam Technology, Otto von Guericke University. .
  • 2001 Cambridge Colleges Hospitality Scheme, Clare College Scholarship. .
  • 1994-1998 Joint European TEMPUS Projects 4019/93 and 9495/95, five short term Fellowships. .
  • 1992-1993 Joint European TEMPUS Project 1877/92. .
  • 1989 Bulgarian Ministry of Education, Scholarship at Dept. Physical Metallurgy. .
  • 1988 Bulgarian Ministry of Education, Scholarship at Dept. Physical Metallurgy. .

Journal Articles

2016

  • Frei J., B. Alexandrov, M. Rethmeier, 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, 459 - 473.
  • Riggs, B., Alexandrov B.T, Benatar A., Xu R., 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, 1 - 9.

2015

  • Mendoza,I; VILLALOBOS,D; Alexandrov,B,T, 2015, "Crack propagation of Ti alloy via adiabatic shear bands." MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 645, 306 - 310.
  • Duffey,Matthew,J; Marchal,Jacob,T; Loney,Matthew,R; Alexandrov,Boian,T; Shapiro,Alexander,E, 2015, "Evaluation of New Silver-Free Brazing Filler Metals." WELDING JOURNAL 94, no. 3, 40 - 46.
  • Marchal,Jacob,T; Duffey,Matthew,J; Loney,Matthew,R; Alexandrov,Boian,T; Shapiro,Alexander,E, 2015, "Silver-Free Filler Metals Meet Strength Requirements in Brazed Joints." WELDING JOURNAL 94, no. 11, 62 - 66.

2013

  • Alexandrov,B,T; LIPPOLD,J,C, 2013, "Use of the cast pin tear test to study solidification cracking." WELDING IN THE WORLD 57, no. 5, 635 - 648.
  • Alexandrov,Boian,T; Hope,Adam,T; Sutton,Benjamin,J; Lippold,John,C; Sowards,Jeffrey,W; McCracken,Steven,L, 2013, "Susceptibility to Solidification Cracking in High Chromium Nickel-Base Filler Metals for Nuclear Power Applications." TRENDS IN WELDING RESEARCH: PROCEEDINGS OF THE 9TH INTERNATIONAL CONFERENCE 9, 614 - 622.
  • Alexandrov,B,T; LIPPOLD,J,C; Sowards,J,W; Hope,A,T; Saltzmann,D,R, 2013, "Fusion boundary microstructure evolution associated with embrittlement of Ni-base alloy overlays applied to carbon steel." WELDING IN THE WORLD 57, no. 1, 39 - 53.

2012

  • Sowards,Jeffrey,W; Liang,Dong; Alexandrov,Boian,T; Frankel,Gerald,S; Lippold,John,C, 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, 1209 - 1222.
  • Yue,X; LIPPOLD,J,C; Alexandrov,B,T; Babu,S,S, 2012, "Continuous Cooling Transformation Behavior in the CGHAZ of Naval Steels." WELDING JOURNAL 91, no. 3, 67S - 75S.
  • 7. Alexandrov B.T., L. Wang L, J.A. Siefert, J.K. Tatman, J.C. Lippold, 2012, "Phase Transformations In Creep Strength Enhanced Ferritic Steel Welds." Machines, Technologies, Materials 6, no. 4, 33 - 36.
  • Lolla,T; Cola,G; Narayanan,B; Alexandrov,B; Babu,S,S, 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, 126 - 127.

2011

  • Paulson,K,M; Wang,J; Topham,N; Wu,C,Y; Alexandrov,B,T; Lippold,John,C; Es-Said,O,S, 2011, "Alternatives for Joining Stainless Steel to Reduce Cr(VI) Emissions and Occupational Exposures." JOURNAL OF SHIP PRODUCTION AND DESIGN 27, no. 2, 91 - 97.
  • 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.
  • T. Lolla, G. Cola, B. Narayanan, B.T. Alexandrov, S.S. Babu, 2011, Development of rapid heating and cooling (flash processing) process to produce advanced high strength steel microstructures. Materials Science and Technology 27, 863 - 875.
  • Alexandrov,B,T; Hope,A,T; Sowards,J,W; Lippold,J,C; McCracken,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.
  • 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.
  • Sowards J.W., D. Liang, B.T. Alexandrov, G.S Frankel, J.C. Lippold, 2011, "A New Chromium-free Welding Consumable for Joining Austenitic Stainless Steels." Welding Journal 90, 63 - 76.

2010

  • Liang D., J.W. Sowards, G.S Frankel, B.T. Alexandrov, J.C. Lippold, 2010, "Corrosion Resistance Of Welds In Type 304l Stainless Steel Made With A Nickel-Copper-Ruthenium Welding Consumable." Corrosion Science 52, 2439 - 2451.
  • Liang D., J.W. Sowards, G.S Frankel, B.T. Alexandrov, J.C. Lippold, 2010, "A corrosion study of nickel-copper and nickel-copper-palladium welding filler metals." Materials and Corrosion 61, 909 - 919.

2007

  • Alexandrov B. T. and J. C. Lippold, 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.

2006

  • Alexandrov B. T. and J. C. Lippold, 2006, "In-Situ Weld Metal Continuous Cooling Transformation Diagrams." Welding in the World 50, no. 9/10, 65 - 74.

2005

  • Alexandrov B. T., K. Theis, M. Streitenberger, H. Herold and I. Martinek, 2005, "Cold Cracking in Weldments of Steel S690 QT." Welding in the World 49, no. 5/6, 64 - 73.

2003

  • Alexandrov B. T., 2003, "Hydrogen Diffusion Coefficient and Modelling of Hydrogen Behavior in Welded Joints of Structural Steels." Welding in the World 47, no. 9/10, 21 - 29.
  • Alexandrov B., L. Mraz, 2003, "Applicability of Index for the Microstructural Inhomogeneity of Structural Steels." Journal of Materials Science and Technology 11, no. 1, 56 - 65.

2002

  • Alexandrov B.T., 2002, "In-situ CCT Diagrams in HAZ of Low Alloy Structural Steels." Scientific News 9, 107 - 113.
  • Alexandrov B.T., 2002, "In-situ Investigation of the Phase Transformations in Ferritic Weld Metal." Scientific News 9, 114 - 121.
  • Saev G.I., B.T. Alexandrov, M.N. Lolov and R. Rachkov, 2002, "Welding and Testing of Liquefied Gas Containers." Scientific News 9, 101 - 106.
  • Alexandrov B., E. Ganchovski, and M. Rachim, 2002, "Evaluation of Susceptibility to Cold Cracking during Laser Beam Welding of High Strength Steels." Machine-building Technologies 51, no. 1, 67 - 71.

2000

  • Alexandrov B. and G. Saev, 2000, "Hydrogen Behaviour and Testing Duration by the Methods SIV 19 HT and Implant Test." Machine-building 50, no. 2/3, 31 - 34.

1992

  • Velkov K., and B. T. Alexandrov, 1992, "Device for Investigating the Kinetics of Diffusible Hydrogen Effusion from Welded Joints." Welding Production 64, no. 2, 35 - 37.

1989

  • Velkov K., and B. T. Alexandrov, 1989, "Behaviour of Hydrogen in Heat Affected Zone during Welding of Steel 23G2SAF." Wiss. Z. Uniwersitat Rostock 38, no. 7, 50 - 52.
  • Alexandrov B. T., 1989, "Procedure and Equipment for Controlled Electrolytic Charging with Hydrogen." Technical Ideas 42, no. 1, 115 - 119.