J52. Qiao Y, Le J, Salviato M. Experimental, Analytical, and Computational Study of Size Effect on the Fatigue Behavior and Damage Characteristics of Quasi-brittle Materials. To be submitted

J51. Qiao Y*, Simmons KL. An Experimental and Numerical Study of Plasma Treatment Effects on Adhesive Joints: Metals, CFRTPs, and Combinations. Submitted 

J50. Ramos JL, Qiao Y*, Ni Y, Nickerson EK, Simmons KL. Fabrication of Thermoplastic Polymer-Fiber-Reinforced Polymer Composites via Automated Powder Dispersion and Compression Molding. Submitted.

C49. Qiao Y*, Ni Y, John R, Nickerson EK, Schuler GM, Brown NL, Ko S, Shahwan KW, Simmons KL. Comparison of Fabricating Polymer-fiber-reinforced Polymers (PFRPs) between Powder Impregnation and Film Stacking Methods. Emerging Composites and Applications: Proceedings of the American Society for Composites 39th Technical Conference, Volume 5, Springer. Forthcoming

C48. Ni Y, Qiao Y, John R, Nickerson EK, Shahwan KW, Simmons KL. Effects of Cooling Rate on the Mechanical and Thermal Properties of Self-Reinforced Polyethylene Composites. 24th International Conference on Composite Materials (ICCM24), Baltimore, Maryland. Forthcoming

J47. Shin Y, Trevino AA, Qiao Y, Seffens RJ, Engelhard MH, Gilliam M, Garner G, Lukitsch M, Carlson B, Simmons KL. Enhanced adhesive bonding at the adhesive-CFRTP interface via plasma and silane coupling agents in adhesively-bonded metal-CFRTP joints. Composites Part B 2025;308:113009. (Link)

J46. Gilliam M, Shin Y, Qiao Y, Garner G, Tower A, Simmons KL, Carlson B, Lukitsch M. Pre-bonding Morphological and Chemical Changes of Laser Ablated Aluminum Surfaces and Effects of Humidity on Adhesive Bonding. Applied Surface Science, 2026;715:164523. (Link)

J45. Ni Y, Veeramany A, Ko S, Qiao Y, Nickerson EK, Sharafi S, Kevin Simmons. Effect of Hydrogen on the Reliability of Polyethylene Pipe Materials. The American Society of Mechanical Engineers (ASME) - Pressure Vessels & Piping Conference, 2025. (Link)

J44. Lu BZ, Qiao Y*, Nickerson EK, Shin Y, Schuler GM; Brown NL, Canfield NL, Simmons KL. Improving Adhesive Bonding of Short Carbon Fiber Thermoplastic Composites to Aluminum Alloys with a Hybrid Laser-plasma Surface Modification Strategy. Materials & Design 2025;257:114501. (Link)

J43. Qiao Y*, Taufique MFN, Simmons KL. Micro-structural Features and Material Properties Impact on Adhesive Metal Joints via Computational Modeling and Machine Learning. Results in Surfaces and Interfaces 2025;20:100591.  (Link)

C42. Trevino AA, Qiao Y*, Shin Y, Seffens RJ, Simmons KL. The Influence of Pre-Bonding Humidity on Plasma Treated Carbon Fiber Reinforced Plastics Adhesively Bonded Metal Joints. The American Society of Mechanical Engineers (ASME) - 3rd Annual Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference, 2025. (Link) 

J41. Lee A, Qiao Y*, Shin Y, Nickerson EK, Simmons KL. Multiple-Repeated Plasma Surface Treatments for Significantly Improving Bonding Performance of Metal-Carbon-Fiber-Reinforced Thermoplastic Polymer Dissimilar Adhesive Joints. Advanced Engineering Materials 2025;2402693.  (Link)

C40. Qiao Y*, Ko S, Shin Y, Ramos JL, Olson JL, Simmons KL. Characterization of Temporal Changes of Interfacial Air Voids During Adhesive Curing and Bonding for Adhesively-Bonded Structures. ASME 2024 International Mechanical Engineering Congress and Exposition (Link)

J39. Shin Y, Qiao Y**, Nickerson EK, Trevino AA, Gilliam M, Garner G, Lukitsch M, Carlson BE, SImmons KL. Functional Group Activation and Coupling Agent Migration Induced by Plasma Treatment in Adhesive for Enhanced Toughness of Metal-composite Joints. Progress in Organic Coatings  2025;200:109050. (Link)

J38. Whalen SA, Overman NR, Taysom BS, Milligan BK, Tillman M, Bishop D, Renner PA, Qiao Y, Montgomery RO. Fabrication of Bismuth-Telluride Thermoelectric Wires by Friction Extrusion. Materials & Design 2004;248:113527. (Link)

C37.Ko S, Qiao Y, Nickerson EK, Shin Y, Han K, Kuang W, Simmons KL. Investigating in-situ fracture behaviors of polymer pipeline materials in hydrogen and hydrogen-methane blended gas environments. The American Society of Mechanical Engineers (ASME) - Pressure Vessels & Piping Conference, 2024. (Link)

C36. Simmons KL, Ko S, Kuang W, Qiao Y, Shin Y, Han K, Menon N. In Situ and Ex Situ Studies on the Morphology Changes of Polymer Pipeline Materials for Use in Hydrogen and Hydrogen-Natural Gas Environments. The American Society of Mechanical Engineers (ASME) - Pressure Vessels & Piping Conference, 2024. (Link)

 J35. Qiao Y*, Ko S, Ramos JL, Nickerson EK, Denny AC, Schuler GM, Brown NL, Guzman A, Moriel CE, Pallaka MR, Ni Y, Shahwan KW, and Simmons KL. Effects of Processing Temperature, Pressure, and Fiber Volume Fraction on Mechanical and Morphological Behaviors of Fully-recyclable Unidirectional Thermoplastic Polymer-fiber-reinforced Polymers. Composites Part C: Open Access 2024;14:100497. (Link)

J34. Ko S, Qiao Y, Roosendaal TJ, Denny AC, Ramos JL, Shahwan KW, Simmons KL. Low-velocity Impact Resistance and Failure Characteristics of All Thermoplastic Woven Polymer-Fiber-Reinforced Plastic Composites. Journal of Composite Materials - ASC special issue, 2024. (Link)

J33. Qiao Y*, Shin Y,  Pallaka MR, Nickerson EK, Fring DL, Ko S, Ramos JL, Wu HF, Simmons KL. Polymer-fiber-reinforced Polymers with Enhanced Interfacial Bonding between Polypropylene Fiber and Polyethylene Matrix. Journal of Reinforced Plastics and Composites, 2024. (Link)

C32. Qiao Y*, Shin Y, Ko S, Samanta A, Seffens RJ, Ramos JL, Merkel DR, Shahwan KW, Simmons KL. Equivalent Properties of Interfacial Void Defects at the CFRTP-adhesive Interface and Their Detrimental Effects of the Bonding Performance of Metal-CFRTP Dissimilar Joints. The American Society of Mechanical Engineers (ASME) - 2nd Annual Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference, 2024. (Link)

C31. Qiao Y*, Ko S, Shin Y, Simmons KL. Exploring Failure of Adhesively-bonded Bi-materials with Different Void Sizes at the Same Void Volume Fraction through a Micro-scale Numerical Modeling. The American Society of Mechanical Engineers (ASME) - 2nd Annual Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference, 2024. (Link)

J30. Yu Z, Kanbargi N, Gupta S, Shin Y, Qiao Y, Bowland CC, Merkel DR, Simmons KL, Naskar AK. ABL-Based Thermoplastic Rubber Adhesive for Enhanced Metal-to-Metal Joining. Polymer Composites 2024. (Link)

J29. Qiao Y*, Shin Y, Ramos J, Engelhard M, Seffens R,  Merkel D, Simmons K. Plasma Treatment on Both Adhesive Tape and Adherends for Significantly Enhanced CFRTP-related Adhesive Joints. Applied Surface Science 2024;649:159092. (Link)

J28. Qiao Y*, Seffens R, Nickerson E, Roosendaal T, Merkel D, Shin Y, Ramos J, Ko S, Samanta A, Pallaka MR, Ortiz A, Simmons K. A Study of Adhesive Bonding in Metal-Metal, Metal-CFRP, and CFRP-CFRP Material Combinations under Shear Deformation: Fracture Morphologies and Damage Mechanisms. International Journal of Adhesion and Adhesives 2023;127:103511. (Link)

C27. Qiao Y*, Ko, S, Ramos JL, Nickerson EK, Denny AC, Shahwan KW, SImmons KL. Processing Temperature Effect on Failure Behavior of Unidirectional Thermoplastic Polymer-fiber-reinforced Polymers (PFRPs). The American Society for Composites (ASC) 38th Annual Technical Conference, Boston, Massachusetts, 2023. (Link1, Link2)

C26. Ko S, Qiao Y, Roosendaal TJ, Denny AC, Ramos JL, Kuang W, Shahwan KW, Simmons KL. Low-velocity Repeated Impact Behaviors of Polymer Fiber Reinforced Plastics (PFRPs). The American Society for Composites (ASC) 38th Annual Technical Conference, Boston, Massachusetts, 2023. (Link1, Link2)

J25. Shin Y, Qiao Y, Yelin Ni, Ramos JL, Nickerson EK, Merkel DR, Simmons KL. Interfacial bond characterization of epoxy adhesives to aluminum alloy and carbon fiber-reinforced polyamide by vibrational spectroscopy. Surfaces and Interfaces 2023;42(Part A):103346. (Link)

J24. Qiao Y, Guo K, Salviato M. Size Effect and Scaling in Quasi-static and Fatigue Fracture of Graphene Polymer Nanocomposites. Polymer Composites 2023. (Link)

C23. Qiao Y*, Ko S, Samanta A, Merkel DR, Shin Y, Guzman A, Nickerson EK, Ramos JL, Simmons KL. A Micro-scale Numerical Investigation of Internal and Interfacial Void Defects in Adhesive on Failure Behavior of Adhesively-bonded Bi-materials with Rough Surfaces. The American Society of Mechanical Engineers (ASME) - 1st Annual Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference, 2023. (Link1, Link2)

C22. Qiao Y*, Nickerson EK, Roosendaal TJ, Ramos JL, Simmons KL. Effects of Air Plasma Treatment with Gradient Speeds on Fracture of Adhesively-bonded Metal-CFRTP Dissimilar Joints. SAMPE Conference (North America Society for the Advancement of Material and Process Engineering), 2023. (Link1, Link2)

C21. Ko S, Qiao Y, Ramos JL, Kuang W, Denny AC, Roosendaal TJ, Simmons KL. Low-velocity Impact Performances Of Healed Polymer Fiber-reinforced Plastics. SAMPE Conference (North America Society for the Advancement of Material and Process Engineering), 2023. (Link1, Link2)

J20. Kanbargi N, Hoskins D, Gupta S, Yu Z, Shin Y, Qiao Y, Merkel DR, Bowland CC, Labbe N, Simmons KL, Naskar AK. A Renewable lignin-based thermoplastic adhesive for steel joining. European Polymer Journal 2023;189(8):111981. (Link)

J19. Whalen S, Taysom BS, Overman N, Reza-E-Rabby M, Qiao Y, Richter T, Skszek T, DiCiano M. Porthole Die Extrusion of Aluminum 6063 Industrial Scrap by Shear Assisted Processing and Extrusion. Manufacturing Letters 2023;36:52-56. (Link)

J18. Qiao Y*, Shin Y, Pallaka MR, EK Nickerson, Merkel DR, Seffens RJ, Ortiz A, Ramos LJ, Simmons KL. Plasma Surface Modification Coupled with Thermal and Step-over Distance Effects on Significant Fracture Improvement of Adhesively-bonded Metal-CFRTP Dissimilar Materials. Composites Science and Technology 2023;232:109833. (Link)

J17. Qiao Y*, Fring LD, Pallaka MR, Simmons KL. A Review of the Fabrication Methods and Mechanical Behavior of Thermoplastic Polymer Fiber - Thermoplastic Polymer Matrix Composites. Polymer Composites 2023;44(2):694-733. (Link)

Cover image (Link)

C16. Qiao Y*, Shin Y, Nickerson E, Merkel D, Ortiz A, Simmons K. Adhesively-bonded Metal-CFRTP Bi-materials: Enhanced Crack Growth Resistance via Plasma and Quantified Fracture via Size Effect Method. The American Society for Composites (ASC) 37th Annual Technical Conference, Tucson, Arizona, 2022. (Link1, Link2)

C15. Qiao Y*, Merkel D, Nickerson E, Seffens R, Shin Y, Pallaka M, Ramos J, Ortiz A, Simmons K. The Roles of Interface, Adherend, and Adhesive in Plasma-and Other-treated Joints of Metals and FRP Materials Under Shear Deformation. The American Society for Composites (ASC) 37th Annual Technical Conference, Tucson, Arizona, 2022. (Link1, Link2)

J14. Qiao Y*, Merkel D, Nickerson E, Shin Y, Seffens R, Ortiz A, Simmons K. Mode I Tensile Fracture Behavior of Adhesively-bonded Metal-Metal, Metal-CFRP, CFRP-CFRP Bi-material Combinations Analyzed by Size Effect Method. Composites Part A 2022:107025. (Link)

J13. Shin Y, Qiao Y, Canfield N, Yu Z, Meyer HM, Merkel DR, Nickerson EK, Kanbargi NS, Ortiz A, Naskar AK, Simmons KL. Significant slowdown of plasma-optimized surface energy deactivation by vacuum sealing for efficient adhesive bonding. Composites Part B 2022;240:110001. (Link)

C12. Qiao Y*, Pallaka MR, Nickerson E, Fring L, Simmons K. Understanding the elastic, plastic, and damage features in fracturing of self-reinforced thermoplastic composites via non-destructive digital imaging correlation. Proc. SPIE 12047, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVI, 1204707 (18 April 2022). (Link)

C11. Qiao Y, Zhang Q, Troy N, Salviato M. A Size Effect Study on the Splitting Crack Initiation and Propagation in Off-axis Layers of Composite Laminates. The American Society for Composites (ASC) 36th Annual Technical Conference (Virtual), 2021. (Link1, Link2)

D10. Qiao Y. Understanding the Mechanical Behavior of Polymer Composites Across Stress States, Length and Time Scales Via Size Effect, Multi-axial Testing and Computational Modeling, PhD dissertation, University of Washington, 2021.

J9. Zhang H, Gharavi N, Wong SHF, Deng Y, Bahadori-Jahromi A, Limkatany S, Qiao Y, Kuang JS. Effect of Concentrated Butt-Joints on Flexural Properties of Laminated Bamboo-Timber Flitch Beams. J Sandw Struct Mater 2021;0:1-19. (Link)

J8. Li W, Qiao Y, Fenner J, Warren K, Salviato M, Bažant ZP, Cusatis G. Elastic and Fracture Behavior of Three-Dimensional Ply-to-Ply Angle Interlock Woven Composites: Through-Thickness, Size Effect, and Multi-axial Tests. Compos Part C 2021;4:100098. (Link)

C7. Qiao Y, Zhang Q, Salviato M. Effects of In-situ Stress State on the Plastic Deformation, Fracture, and Size Scaling of Thermoset Polymers and Related Fiber-reinforced Composites. The American Society for Composites (ASC) 35th Annual Technical Conference (Virtual), 2020. (Link1, Link2)

J6. Qiao Y, Salviato M. Micro-Computed Tomography Analysis of Damage in Notched Composite Laminates under Multi-Axial Fatigue. Compos Part B 2020;187:107789. (Link)

J5. Qiao Y, Deleo AA, Salviato M. A Study on the Multi-axial Fatigue Failure Behavior of Notched Composite Laminates. Compos Part A 2019;127:1056. (Link)

J4. Qiao Y, Salviato M. Strength and Cohesive Behavior of Thermoset Polymers at the Microscale: A Size-effect Study. Eng Fract Mech 2019;213:100-17. (Link)

J3. Qiao Y, Salviato M. Study of the Fracturing Behavior of Thermoset Polymer Nanocomposites via Cohesive Zone Modeling. Compos Struct 2019;220:127-47. (Link)

C2. Guo K, Qiao Y**, Salviato M. Scaling of Fatigue Crack Growth in Pristine Epoxy. The American Society for Composites (ASC) 33rd Annual Technical Conference, 2018. (Link1, Link2)

J1. Mefford CH, Qiao Y, Salviato M. Failure Behavior and Scaling of Graphene Nanocomposites. Compos Struct 2017;176:961-72. (Link)