19. Yao Qiao, Seunghyun Ko, Jose Ramos, Ethan Nickerson, Adam Denny, Gabrielle Schuler,  Nate Brown, Anthony Guzman, Cesar Moriel, Madhusudhan Pallaka, Yelin Ni, Khaled Shahwan, and Kevin Simmons has submitted a journal manuscript "Fully-recyclable Unidirectional Thermoplastic Polymer-fiber-reinforced Polymers (PFRPs): Investigating the Effects of Processing Temperature, Pressure, and Fiber Volume Fraction"

18. Yao Qiao, Yongsoon Shin,  Madhusudhan Pallaka, Ethan Nickerson, Lisa Fring, Seunghyun Ko, Jose Ramos, Felix Wu, and Kevin Simmons has submitted a journal manuscript "Polymer-fiber-reinforced Polymers (PFRPs) with Enhanced Interfacial Bonding between Polypropylene Fiber and Polyethylene Matrix".

17. Seunghyun Ko, Yao Qiao, Timothy Roosendaal, Adam Denny, Jose Ramos, Khaled Shahwan, and Kevin Simmons has submitted a journal manuscript "Low-velocity Impact Resistance and Failure Characteristics of All Thermoplastic Woven Polymer-Fiber-Reinforced Plastic Composites".

16. Yao Qiao will attend and give a presentation "Characterization of Temporal Changes of Interfacial Air Voids During Adhesive Curing or Bonding for Adhesively-Bonded Structures" at 2024 ASME- International Mechanical Engineering Congress & Exposition (IMECE). This paper will be published. The co-workers include Seunghyun Ko, Yongsoon Shin, Jose Ramos, Justin Olson, and Kevin Simmons.

15. Yao Qiao will attend and give a presentation "Comparison of Fabricating Polymer-fiber-reinforced Polymers (PFRPs) between Powder Impregnation and Film Stacking Methods " at 39th American Society for Composites Conference, US-Japan Joint Symposium,  and ASTM D30 Meeting. This paper will be published. The co-workers include Yelin Ni, Raveen John, Ethan Nickerson, Seunghyun Ko, Khaled Shahwan, and Kevin Simmons.

14. Yao Qiao will attend and give a presentation "Enhancing Fracture Performance of Adhesively-Bonded Metal-CFRTP Dissimilar Joints under Moisture Exposure via Plasma Surface Modification" at 2024 SPE – ACCE (Automotive Composites Conference & Exhibition). This paper will be published. The co-workers include Yongsoon Shin, Sridhar Niverty, Ethan Nickerson, Robert Seffens, Jose Ramos, Justin Olson, Vineet Joshi, and Kevin Simmons.

13. Yao Qiao has attended the DOE - Vehicle Technologies Annual Merit Review in June at the Hyatt Regency Crystal City in Arlington, Virginia.

12. Yao Qiao has been invited to give a seminar in the Department of Mechanical, Industrial, and Manufacturing Engineering at Oregon State University. The presentation is related to the bonding of thermoplastic composites.

11. It is a great summer as there are two students working with Yao Qiao as mentors for surfaces and interfaces. These students are from North Carolina State University and Northwestern University, participating in the Science Undergraduate Laboratory Internships (SULI) supported by the DOE Office of Science.

10. Yao Qiao gave a presentation "Equivalent Properties of Interfacial Void Defects at the CFRTP-adhesive Interface and Their Detrimental Effects on the Bonding Performance of Metal-CFRTP Dissimilar Joints" at the ASME - Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference 2024. This paper has been published. The co-workers include Yongsoon Shin, Seunghyun Ko, Avik Samanta, Robert J. Seffens, Jose L. Ramos, Daniel R. Merkel, Khaled W. Shahwan, and Kevin L. Simmons. 

9. Yao Qiao gave a presentation "Exploring Failure of Adhesively-bonded Joints with Different Void Sizes at the Same Void Volume Fraction through a Micro-scale Numerical Modeling" at the ASME - Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference 2024. This paper has been published. The co-workers include Seunghyun Ko, Yongsoon Shin, and Kevin L. Simmons. 

8. Yao Qiao attended and co-chaired the session "Surface and Interface" at the ASME - Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference 2024.

7. Yu Z, Kanbargi N, Gupta S, Shin Y, Qiao Y, Bowland CC, Merkel DR, Simmons KL, and Naskar AK published a journal article "ABL-Based Thermoplastic Rubber Adhesive for Enhanced Metal-to-Metal Joining" on Polymer Composites.

6. Yao Qiao has been invited to give a presentation on the topic of adhesive bonding - How to Better Characterize Fracture Energies of Adhesively-bonded Metal and Composite Joints to SAMPE (the North America Society for the Advancement of Material and Process Engineering) Bonding and Joining Technical Committee.

5. Yao Qiao, Yongsoon Shin, Jose Ramos, Mark Engelhard, Robert Seffens, Daniel Merkel, and Kevin Simmons published a journal paper "Plasma Treatment on Both Adhesive Tape and Adherends for Significantly Enhanced CFRTP-related Adhesive Joints" on Applied Surface Science.

4. Yao Qiao has been organizing with Rassel Raihan for the topic ‘Surface, Interface, and Joints’ in the track of Advances in Aerospace Technology at 2024 ASME- International Mechanical Engineering Congress & Exposition (IMECE). This topic is supported by ASME Aerospace Division Structures and Materials Technical Committee.

3. Daniel Merkel, Yao Qiao, and Shiyao Lin are serving as guest editors for a special issue (Advances in Mechanical Testing of Polymer Composites) in MDPI-Polymers (IF-5.0). This special issue is online (https://www.mdpi.com/journal/polymers/special_issues/FN500D14N1) and the deadline for submission is December 2024.

2. Yao Qiao has been appointed to co-chair one session for Adhesives in Transportation, Electric Vehicles, and E-mobility at the 47th Annual Meeting - The Adhesion Society. 

1. Yao Qiao has been promoted to senior materials scientist III at Pacific Northwest National Laboratory (PNNL). 

22. Yao Qiao, Robert Seffens, Ethan Nickerson, Timothy Roosendaal, Daniel Merkel, Yongsoon Shin, Ramos Jose, Seunghyun Ko, Avik Samanta, Madhu Pallaka, Angel Ortiz, and Kevin Simmons published a journal paper "A Study of Adhesive Bonding in Metal-Metal, Metal-CFRP, and CFRP-CFRP Material Combinations under Shear Deformation: Fracture Morphologies and Damage Mechanisms" on International Journal of Adhesion and Adhesives.

21. Yao Qiao, Daniel Merkel, Wenbin Kuang are serving as guest editors for a special issue (Decarbonization and Sustainability in Polymer Composites) in MDPI-Materials (IF-3.4). This special issue is online (https://www.mdpi.com/journal/materials/special_issues/306946916K) and the deadline for submission is December 2024.

20. Yao Qiao moderated two sessions (Non-destructive Evaluation & Materials Testing, and Green & Sustainability) in CAMX – the Composites and Advanced Materials Expo 2023.

19. Yao Qiao gave a presentation "Processing Temperature Effect on Failure Behavior of Unidirectional Thermoplastic Polymer-fiber-reinforced Polymers (PFRPs)" on 38th American Society for Composites Conference. This paper will be published. The co-workers include Seunghyun Ko, Jose L. Ramos, Ethan K. Nickerson, Adam C. Denny,  Khaled W. Shahwan, and Kevin L. Simmons.

18. Seunghyun Ko, Yao Qiao, Timothy J. Roosendaal, Adam C. Denny, Jose L. Ramos, Wenbin Kuang, Khaled W. Shahwan, and Kevin Simmons published a conference paper "Low-velocity repeated impact behaviors of Polymer Fiber Reinforced Plastics (PFRPs)" on 38th American Society for Composites Conference.

17. Yao Qiao has joined ASTM (American Society for Testing and Materials) as a member, aiming to contribute to D30/D14.

16. Yao Qiao has been invited as a guest editor for a special issue in MDPI-Materials (IF-3.4).

15. Yao Qiao has been invited to become a topic organizer of the Materials track (Surface and Interface) and co-organize the existing topics at ASME - Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference 2024.

14. Yao Qiao has been appointed to co-chair two sessions (Materials Characterization, and Progressive Damage and Failure Analysis ) at the 38th Annual Technical Conference of the American Society for Composites (ASC), 2023. 

13. Yongsoon Shin, Yao Qiao, Yelin Ni, Ramos Jose, Ethan Nickerson, Daniel Merkel, and Kevin Simmons published a journal paper "Interfacial bond characterization of epoxy adhesives to aluminum alloy and carbon fiber-reinforced polyamide by vibrational spectroscopy " on Surfaces and Interfaces.

12. Yao Qiao has been reviewed and selected by the committee to join the Structures and Materials Technical Committee (SMTC) in ASME - Aerospace Structures, Structural Dynamics, and Materials (SSDM).

11. Yao Qiao co-chaired the session entitled "Structural Dynamics and Control of Morphing Wing and Smart Structures" at the ASME - Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference 2023.

10. Yao Qiao gave a presentation "A Micro-scale Numerical Investigation of Internal and Interfacial Void Defects in Adhesive on Failure Behavior of Adhesively-Bonded Materials with Rough Surfaces" at the ASME - Aerospace Structures, Structural Dynamics, and Materials (SSDM) Conference 2023. This work has been published. The co-workers include Seunghyun Ko, Avik Samanta, Yongsoon Shin, Daniel R. Merkel, Anthony Guzman, Jose L. Ramos, Kevin L. Simmons. 

9. Yao Qiao, Kaiwen Guo, and Marco Salviato published a journal paper "Size Effect and Scaling in Quasi-static and Fatigue Fracture of Graphene Polymer Nanocomposites" on Polymer Composites.

8. Scott Whalen, Brandon Scott Taysom, Nicole Overman, Md. Reza-E-Rabby, Yao Qiao, Thomas Richter, Timothy Skszek, and Massimo DiCiano published a journal letter "Porthole die extrusion of aluminum 6063 industrial scrap by shear assisted processing and extrusion" on Manufacturing Letters.

7. Yao Qiao had little contributions to the SAMPE (North America Society for the Advancement of Material and Process Engineering) 2023 State of Technology Industry Report (Pages 37-43) - SAMPE's Technical Committee (TC1) on "Composites Factory of the Future-Industry 4.0". The members include Kevin Simmons (chair) and Muthu Elen.

6. Seunghyun Ko, Yao Qiao, Jose Ramos, Wenbin Kuang, Adam Denny, Timothy Roosendaal, Kevin Simmons published a conference paper "Low-velocity Impact Performances Of Healed Polymer Fiber-reinforced Plastics" on SAMPE Conference (North America Society for the Advancement of Material and Process Engineering).

5. Yao Qiao published and gave a presentation "Effects of Air Plasma Treatment with Gradient Speeds on Fracture Behavior of Adhesively-bonded Metal-CFRTP Dissimilar Joints" on SAMPE 2023 (the North America Society for the Advancement of Material and Process Engineering). The co-workers include Ethan Nickerson, Timothy J. Roosendaal, Jose L. Ramos, Kevin L. Simmons. 

4. Nihal Kanbargi, David Hoskins, Sumit Gupta, Zeyang Yu, Yongsoon Shin, Yao Qiao, Daniel R. Merkel, Christopher C. Bowland, Nicole Labbe, Kevin L. Simmons, Amit K. Naskar published a journal paper "A Renewable Lignin-based Thermoplastic Adhesive for Steel Joining" on European Polymer Journal.

3. A cover image on one of the issues in the journal of Polymer Composites was based on the paper "A Review of the Fabrication Methods and Mechanical Behavior of Thermoplastic Polymer Fiber - Thermoplastic Polymer Matrix Composites".(https://doi.org/10.1002/pc.27282)

2. Yao Qiao gave a presentation "How to Maximize the Enhancement on the Fracture Resistance of Adhesively-bonded CFRTP-related Dissimilar Joints via Air Plasma Surface treatment?" on 46th Annual Meeting - The Adhesion Society. The co-workers include Yongsoon Shin, Madhusudhan Reddy Pallaka, Ethan Nickerson, Daniel Merkel, Robert Seffens, Jose Ramos, Angel Ortiz, and Kevin Simmons.

1. Yao Qiao gave a presentation "Unveiling the Effects of Adherend Surface Roughness, Adhesive, and Interface on Fracturing Adhesively-bonded Materials via Micro-scale Computational Modeling" on 46th Annual Meeting - The Adhesion Society. The co-workers include Yongsoon Shin, Daniel Merkel, Robert Seffens, Ethan Nickerson, Timothy Roosendaal, Seunghyun Ko, Avik Samanta, Jose Ramos, and Kevin Simmons.

7. Yao Qiao, Yongsoon Shin, Madhusudhan Reddy Pallaka, Ethan Nickerson, Daniel Merkel, Robert Seffens, Angel Ortiz, Jose Ramos, and Kevin Simmons at PNNL published a journal paper "Plasma Surface Modification Coupled with Thermal and Step-over Distance Effects on Significant Fracture Improvement of Adhesively-bonded Metal-CFRTP Dissimilar Materials" on Composites Science and Technology.

6. Yao Qiao, Lisa Fring, Madhusudhan Reddy Pallaka, and Kevin Simmons at PNNL published a journal paper "A Review of the Fabrication Methods and Mechanical Behavior of Thermoplastic Polymer Fiber - Thermoplastic Polymer Matrix Composites" on Polymer Composites. (Cover image)

5. Yao Qiao, Yongsoon Shin, Ethan Nickerson, Daniel Merkel, Angel Ortiz, and Kevin Simmons at PNNL published a conference paper "Adhesively-bonded Metal-CFRTP Bi-materials: Enhanced Crack Growth Resistance via Plasma and Quantified Fracture via Size Effect Method" on 37th American Society for Composites Conference.

4. Yao Qiao, Daniel Merkel, Ethan Nickerson, Robert Seffens, Yongsoon Shin, Madhusudhan Reddy Pallaka, Jose Ramos, Angel Ortiz, and Kevin Simmons at PNNL published a conference paper "The Roles of Interface, Adherend, and Adhesive in Plasma- and Other-treated Joints of Metals and FRP Materials Under Shear Deformation" on 37th American Society for Composites Conference.

3. Yao Qiao, Daniel Merkel, Ethan Nickerson, Yongsoon Shin, Robert Seffens, Angel Ortiz, and Kevin Simmons at PNNL published a journal paper "Mode I Tensile Fracture Behavior of Adhesively-bonded Metal-Metal, Metal-CFRP, CFRP-CFRP Bi-material Combinations Analyzed from Size Effect Method" on the Composite Part A-Applied Science and Manufacturing.

2. Yongsoon Shin, Yao Qiao, Nathan Canfield, Zeyang Yu, Harry M Meyer III, Daniel Merkel, Ethan Nickerson, Nihal Kanbargi, Angel Ortiz, Amit Naskar, and Kevin Simmons at PNNL and ORNL published a journal paper "Significant slowdown of plasma-optimized surface energy deactivation by vacuum sealing for efficient adhesive bonding" on the Composites Part B-Engineering.

1. Yao Qiao, Madhusudhan Reddy Pallaka, Ethan Nickerson, Lisa Fring, and Kevin Simmons published a conference paper "Understanding the elastic, plastic, and damage features in fracturing of self-reinforced thermoplastic composites via non-destructive digital imaging correlation" on SPIE Conference - Smart Structures + Non-destructive Evaluation.

3. Yao Qiao joined Pacific Northwest National Laboratory (PNNL) for the research on materials.

2. Yao Qiao, Qiwei Zhang, Nakagawa Troy, and Marco Salviato published a conference paper "A Size Effect Study on the Splitting Crack Initiation and Propagation in Off-axis Layers of Composite Laminates" on 36th American Society of Composites (Virtual) Conference.

1. Weixin Li, Yao Qiao, Joel Fenner, Kyle Warren, Marco Salviato, Zdeněk P Bažant, and Gianluca Cusatis published a journal paper "Elastic and Fracture Behavior of Three-Dimensional Ply-to-Ply Angle Interlock Woven Composites: Through-Thickness, Size Effect, and Multiaxial Tests" on the Composite Part C-Open Access.

5. Yao Qiao defended his final exam with the presentation entitled "Understanding the Mechanical Behavior of Polymer Composites across Stress States, Length and Time Scales via Size Effect, Multi-axial Testing and Computational Modeling".

4. Yao Qiao was awarded Autumn quarter fellowship (it includes Percy Halpert Memorial Grant Endowment, Joel M. Kenney Scholarship Fund, and James Chao-Yao Koh and Maria Lee Koh Endowed Fellowship Honoring and in Memory of Chi-Hwa Lee and Jean Wei Ting-Lee) from College of Engineering at University of Washington.

3. Yao Qiao was awarded Excellence in Doctoral Research from Department of Aeronautics and Astronautics at University of Washington (Ruth C. Hertzberg Endowed Fellowship).

2. Yao Qiao, Qiwei Zhang, and Marco Salviato published a conference paper "Effects of In-situ Stress State on the Plastic Deformation, Fracture, and Size Scaling of Thermoset Polymers and Related Fiber-reinforced Composites" on 35th American Society of Composites (Virtual) Conference.

1. Yao Qiao and Marco Salviato published a journal paper "Micro-computed tomography analysis of damage in notched composite laminates under multi-axial fatigue" on the Composite Part B-Engineering.

3. Yao Qiao, Antonio Alessandro Deleo, and Marco Salviato published a journal paper "A study on the multi-axial fatigue failure behavior of notched composite laminates" on the Composite Part A-Applied Science and Manufacturing.

2. Yao Qiao and Marco Salviato published a journal paper "Strength and cohesive behavior of thermoset polymers at the microscale: a size-effect study" on the Engineering Fracture Mechanics.

1. Yao Qiao and Marco Salviato published a journal paper "Study of the fracturing behavior of thermoset polymer nanocomposites via cohesive zone modeling" on the Composite Structures.

1. Kevin Guo, Yao Qiao, and Marco Salviato published a conference paper "Scaling of fatigue crack growth in pristine epoxy" on the 33rd American Society of Composites Conference at Seattle, USA.

2. Cory Hage Mefford, Yao Qiao, and Marco Salviato published a journal paper "Failure behavior and scaling of graphene nanocomposites" on the Composite Structures.

1. The conference paper on the quasi-brittle behavior of graphene nanocomposites co-authered by Yao Qiao, Cory Hage Mefford, and Marco Salviato was selected globally as one of the five finalists for competing the Tsai Best Paper award in the 21st international Conference on Composites Materials (ICCM) held at Xi'an, China.