Jafar Razmi

Selected Publications:

1. Mian, J., Razmi J., and Ladani L., “Grain Scale Investigation of the Mechanical Anisotropic Behavior of Electron Beam Powder Bed Additively Manufactured Ti6Al4V Parts,” Metal., Metals 12 (1), 163., 2022
2. Ahsan, F., Razmi J., and Ladani, L., “Process Parameter Optimization in Metal Additive Manufacturing Using Image Processing and Statistical Analysis,” Metals, Metals 12 (1), 87., 2022
3. Mian, J., Razmi, J., and Ladani, L., “Grain-Scale Investigation of Mechanical Anisotropic Behavior of Electron Beam Powder Bed Additively Manufactured Ti6AL4V Parts,” Metals, Revision Submitted, Dec. 2021
4. Mian, M.J.,  Razmi, J.,  Ladani, L., “Defect Analysis and Fatigue Strength Prediction of As-built Ti6Al4V Parts, Produced Using Electron Beam Melting (EBM) AM Technology,” Materialia, Volume 16, May 2021, 101041 (Link)
5. Mian, J., Razmi, J., and Ladani, L., “Mechanical Behavior of Electron Beam Powder Bed Fusion Additively Manufactured Ti6Al4V Parts at Elevated Temperatures,” J. Manuf. Sci. Eng. Feb 2021, 143(2): 021013 (Link)
6. Paul, K., Stromer, J., Razmi, j., Pockaj, B.A. and Ladani, L., Identifying Various Breast Cancer Tumor Grades Through Frequency Spectral Variation of High-Frequency Ultrasound,” Appl. Sci. 2021, 11(11), 4924 (Link)
7. Ahsan, F., Razmi, J., and Ladani, L., “Experimental measurement of thermal diffusivity, specific heat capacity and conductivity of metallic powders at room and high temperatures,” Powder Technology, Volume 374, September 2020, Pages 648-657. (Link)
8. Ladani, L., Shanmugasundaram, S.A., and Razmi, J., “Investigating the level of Mechanical Anisotropy and Surface Roughness in Additively Manufactured Parts fabricated by Stereolithography (SLA) using statistical analysis,” Materials, Volume 13, Issue 11  10.3390/ma13112496. (Link)
9. Mian, J., Razmi, J., Ladani, L., “Defect Analysis and Fatigue Strength Prediction of As-built Ti6Al4V Parts, Produced Using Electron Beam Melting (EBM) AM Technology,” Materialia, Vol. 16., May 2021, 101041, Available online 27 February 2021, 101041. https://www.sciencedirect.com/science/article/abs/pii/S2589152921000442?via%3Dihub
10. Mian, J., Razmi, J. and Ladani, L., “Mechanical Behavior of Electron Beam Powder Bed Fusion Additively Manufactured Ti6Al4V Parts at Elevated Temperatures,” ASME, Journal of Manufacturing Science and Engineering, 143(2): 021013, Feb 2021.
11. Razmi, J., “Effect of Moisture on Mechanical Characteristic of Soil and Interaction of Soil-Pile in Integral Abutment Bridges” Journal of Bridge Structures, 16 (2021) 75-83 DOI: 10.3233/BRS-200175
12. Mian, J., Razmi, J. and Ladani, L., “Anisotropic Behavior of Additively Manufactured Ti6Al4V Parts at Elevated Temperatures,” ASME, Journal of Manufacturing Science and Engineering, Feb 2021, 143(2): 021013
13. Razmi, J., “Fatigue life of Steel Foundation in Bridges Highway Infrastructures using Successive Initiation Continuum Damage Modeling,” Engineering Mechanics Institute and probabilistic mechanics and reliability conference, 2032187., EMI/PMC 2021., Columbia University, New York City, May 2021, New York.
14. Md Jamal Mian., Ladani, L., Razmi, J., “Predicting Life Expectancy of AM Parts Using a Combined Framework of Experimental and Computational Data Science,” 2021 TMS Annual Meeting & Exhibition, Additive Manufacturing Fatigue and Fracture V, March 2021, Orlando, FL.
15. Faiyaz Ahsan., Ladani, L., Razmi, J., “Integrating Computational Modeling in Machine Learning for Process Optimization in Additive Manufacturing Processes,” 2021 TMS Annual Meeting & Exhibition, Additive Manufacturing of Metals: Applications of Solidification Fundamentals, March 2021, Orlando, FL.
16. Ahsan, F., Razmi, J. and Ladani, L., “Experimental measurement of thermal diffusivity, specific heat capacity and conductivity of metallic powders at room and high temperatures,” Powder Technology, Vol. 374, PP. 648-657, Sep 2020.
17. Shanmugasundaram, S.A., Razmi, J., Mian, J., and Ladani, L., “Mechanical Anisotropy and Surface Roughness in Additively Manufactured Parts Fabricated by Stereolithography (SLA) Using Statistical Analysis,” Journal of Materials, Vol.13(11), PP. 2496, June, 2020.
18. Razmi, J., “Elasto-plastic behavior of soil foundation in Integral Abutment Bridges under dynamic load and variable degrees of saturation” ACET, Advancements in Civil Engineering & Technology, Vol., 4(3), ACET.000587. 2020
19. Razmi, J., McCabe, M., “Design of Foundation under Dynamic Load in Integral Abutment Bridges for Resilience against Environmental and Climate Variations” ASCE, International Journal of Geomechanics, Vol. 20, Issue 3, March 2020
20. Razmi, J., Ladani, L., “Application of Successive Initiation Continuum Damage Modeling in Bridges Infrastructures,” Engineering Mechanics Institute and probabilistic mechanics and reliability conference, EMI/PMC 2020., Columbia University, New York City, 26-29,2020, New York.
21. Mian, J., Razmi, J., Ladani, L., “High Temperature Anisotropic Mechanical Behavior of E-beam Ti6Al4V Material,” TMS 2020, Annual Meeting and Exhibition, Additive Manufacturing Symposium, Feb. 23-27, 2020, San Diego, CA.
22. Ladani, L., Green, C., Razmi, J., “Optimizing Electron Beam Melting Powder Bed Process for Long Term Sustainable”, Conference -Wide Symposium on Additive Manufacturing, IMECE2019-10256,Nov 2019, Utah.
23. Shanmugasundaram, S., A., Razmi, J., Ladani, L., “Anisotropic Constitutive Behavior of Additively Manufactured Parts Using Stereolithography”, Advance Manufacturing, IMECE2019-12371, Nov 2019, Utah
24. Razmi, J., “Effect of Moisture Content on Pile Displacement Under Cyclic Dynamic Load in Integral Abutment Bridges” Journal of the Transportation Research Board (TRR Journal), Manuscript Number, 20-00909, Aug. 2019.
25. Razmi, J., "An Analytical Approach to Calculate Thermo-Mechanical Stresses in Integral Abutment Bridge Piles"., World Academy of Science, Engineering and Technology, International Science Index, Geotechnical and Geological Engineering., (2018), 12(6), 407.
26. Ahsan, F., Razmi, J., and Ladani, L., “Multi-Physics Modeling of Laser Interaction with Surface in Powder Bed Melting Process,” IMECE2018-86566, ASME IMECE 2018, ASME. IMECE2018, Vol. 2, Advanced Manufacturing, V002T02A085 Paper No: IMECE2018-86566 
27. Ahsan, F., Ladani, L., Razmi, J., “Modeling Evaporation in Powder Bed Processing of Inconel and Ti6Al4V Material,” 2019 TMS Annual Meeting & Exhibition, San Antonio, TX, March 2019.
28. Razmi, J., “Design of Transportation Infrastructure; IABs for Extended Fatigue Life” ASCE, International Conference on Transportation & Development 2018”, Poster, Pittsburgh, Pennsylvania, July 15-18, 2018.
29. Razmi, J., “An Analytical Approach to Calculate Thermo-mechanical Stresses in Integral Abutment Bridge Piles” 18US06ICSMGE, ICSMGE 2018: 20th International Conference on Soil Mechanics and Geotechnical Engineering”, New York, June 3-4, 2018.
30. Ladani, L., Razmi, J., "Simulation of Bead Formation using Multi-physics Modeling of Powder Bed Laser Melting of Inconel 718," Procedia Manufacturing Journal, Full Peer reviewed Paper, June 2018.
31. Ladani, L., Razmi, J., "Simulation of Bead Formation using Multi-physics Modeling of Powder Bed Laser Melting of Inconel 718," North American Manufacturing Research Conference, Texas A&M University, College Station, Texas, June 18-22, 2018.
32. Ahsan, F., Razmi, J., Ladani, L., “Multi-Physics Modeling of Laser Interaction with Surface in Powder Bed Melting Process”., Technical Paper Publication, International Mechanical Engineering Congress, IMECE2018-86566, Pittsburgh, PA, Nov 9 – 15, 2018.
33. Ladani, L., Razmi, J., “Bead Formation in Powder Bed Melting of Inconel Material” TMS Conference, Additive Manufacturing of Metals: Establishing Location Specific, Processing-Microstructure-Property-Relationships III., Annual Meeting & Exhibition, Phoenix AZ, March 11-15, 2018.
34. Razmi, J., “Fracture Mechanics-based and Continuum Damage Modeling Approach for Prediction of Crack Initiation and Propagation in Integral Abutment Bridges,” ASCE Journal of Computing in Civil Engineering, Vol. 30, Issue 4, July 2016.
35. Romano, J, Ladani, L., Razmi, J., Sadowski, M., “Temperature distribution and melt geometry in laser and electron-beam melting processes-A comparison among common materials,” Journal of Additive Manufacturing, Vol.8, pp.1-11, October 2015.
36. Razmi, J., Aggour, M.S., "Performance of piles in integral abutment bridges under thermo-mechanical cyclic loads, "ASCE, Journal of Bridge Structures, Vol.10, pp.11-17, July 26, 2014.
37. Razmi, J., Aggour, M.S., "Finite element simulation of pile behavior under thermo-mechanical loading in integral abutment bridges," Journal of Structure and Infrastructure Engineering, Vol. 10, No.5, pp. 643-653, 2014.
38. Ladani, L., Razmi, J., and Choudhury, “Mechanical Anisotropy and Strain Rate Dependency Behavior of Ti6Al4V Produced using E-Beam Additive Fabrication," Journal of Engineering Materials and Technology, Vol.136, No.3, 031006, June 05, 2014.
39. Razmi, J., Aggour, M.S. "Fatigue life analysis of piles in integral abutment bridges, a case study,” ASCE Journal of Bridge Engineering, Vol. 18, No. 10, pp. 1105–1117, October 2013.
40. Razmi, J., Aggour, M.S. "Fatigue crack initiation and propagation in piles of integral abutment bridges, "Computer-Aided Civil and Infrastructure Engineering, Vol. 28, Issue 5, pp. 389–402, 2013.
41. Razmi, J., “Thermo- mechanical fatigue of steel piles in integral abutment bridges,” Ph.D. Dissertation, Civil and Environmental Engineering Department, University of Maryland, College Park, May 2012.
42. Ladani, L., and Razmi, J. “Probabilistic design approach for cyclic fatigue life prediction of microelectronic interconnects,” IEEE Transactions on Advanced Packaging, Vol. 33, No. 2, pp. 559-568, May 2010.
43. Ladani, L., and Razmi, J., “Mechanical strength and failure characterization of Sn-Ag-Cu intermetallic compound joints at the micro scale," Journal of Electronic Materials, Vol. 41, No. 3, pp. 573-579, 2012.
44. Abdelhadi, O., Ladani, L., and Razmi, J., “Fracture toughness of bonds using interfacial stresses in four-point bending test," Journal of Mechanics of Materials, Vol. 43, pp. 885–900, 2011.
45. Ladani, L., Razmi, J., Bentley, J. “Microstructure and mechanical strength of snag-based solid liquid inter-diffusion bonds for 3 dimensional integrated circuits,” Journal of itheSolid Films. Vol. 518, Issue 17, pp. 4948–4954, 2010.
46. Ladani, L., and Razmi, J., “An anisotropic mechanical fatigue damage evolution model for Pb-free solder materials,” Journal of Mechanics of Materials, Vol. 41, pp. 878–885, 2009.
47. Ladani, L., and Razmi, J., “Interaction effect of voids and standoff height on thermo-mechanical durability of BGA solder joints,” Journal of IEEE Transactions on Device and Materials Reliability, Vol. 9, No. 3, pp. 348-355, September 2009.
48. Ladani, L., Das, D., Cartwright, J., Yenkner, B., and Razmi, J., “Implementation of six sigma in Celestica, with practical examples,” International Journal of Six Sigma and Competitive Advantage, Vol. 2, No 1, pp. 69-88, 2006.
49. Razmi, J., “Comparison of Fracture Mechanics and Continuum Based Damage Modeling Approach in Determining the Crack Path in Piles of Integral Abutment Bridges,” International Conference on Fatigue Damage of Structures Materials XI, MA, September 18-23, 2016.
50. Ladani L. and Razmi, J., “Mechanical Anisotropy at High Temperature in Additively Manufactured Ti6Al4V" 145th Annual Meeting & Exhibition TMS2016, Nashville, TN, Feb 14-18, 2016.
51. Razmi, J., Aggour, M.S., “Performance of piles in integral abutment bridges under thermo- mechanical cyclic loads," 7th New York City Bridge Conference, NY, DOI: 10.3233/BRS-140066, August 26-27, 2014.
52. Ladani, L., Razmi, J., and Bentley, J., "Crack initiation and propagation analysis of the intermetallic compound Cu6Sn5,” ASME IMECE 2010, IMECE2010-37115, Vancouver, BC, Canada, 2010.
53. Ladani, L., and Razmi, J., “Characterization of SnAg-based solid liquid inter-diffusion bonds for 3-dminesional integrated circuits,” ASME- Itherm 2010, Las Vegas, NV, June 2010.
54. Ladani, L., and Razmi, J., “Stochastic fatigue damage evolution modeling for visco-plastic materials in micro-electronics,” ASME Itherm 2010, Las Vegas, NV, June 2010.
55. Ladani, L., and Razmi, J., “IMC growth in solid-liquid interdifussion bonds,” DOI: 10.1109/ITHERM.2010.5501313, Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), 12th IEEE Intersociety Conference on Las Vegas, 2010.   
56. Ladani, L., and Razmi, J., “Bonding strength and microstructure of SnAg-based solid liquid inter-diffusion bonds,” ASME IMECE 2009, IMECE2009-11454, Vol. 5, Electronics and Photonics, 107-111, November 13–19, 2009 Paper No: IMECE2009-11454 DOI: https://doi.org/10.1115/IMECE2009-11454, Orlando, Fl
57. Ladani, L., and Razmi, J., “Interaction effect of voids and standoff height on thermo- mechanical durability of BGA solder joints,” ASME IMECE 2009, IMECE2009-11471, vol. 5, Electronics and Photonics, 113-120, November 13–19, 2009 Paper No: IMECE2009-11471 DOI: https://doi.org/10.1115/IMECE2009-11471, Orlando, Fl.
58. Ladani, L., and Razmi, J., “A Mechanical fatigue damage evolution model for PB-free solder materials,” ASME IMECE 2008, IMECE 2008-6100,  Now 2008, Vol. 13, Nano-Manufacturing Technology; and Micro and Nano Systems, Parts A and B, 603-609, No: IMECE2008-68100 DOI: https://doi.org/10.1115/IMECE2008-68100, Boston, MA.

Patents:

1. Razmi, J., Ladani, L., “Mechanical test fixture with submicron tolerance,” US 8,096,191 B2.