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David Dvořák
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Journal Articles

Fully Plastic Failure Stresses and Allowable Crack Sizes for Circumferentially Surface-Cracked Pipes Subjected to Tensile Loading

Kunio Hasegawa, David Dvořák, Vratislav Mareš, Bohumir Strnadel, Yinsheng Li
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. February 2022, 144(1): 011303.
Paper No: PVT-20-1284
https://doi.org/10.1115/1.4050321
Published Online: August 4, 2021
View Article titled, Fully Plastic Failure Stresses and Allowable Crack Sizes for Circumferentially Surface-Cracked Pipes Subjected to Tensile Loading
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Topics: Failure, Fracture (Materials), Pipes, Stress, Tension
Journal Articles

A Review of Fatigue Crack Growth Thresholds for Metals in Fitness-for-Service Codes: On the Uncertainty of Using the Thresholds at Negative Stress Ratios

Kunio Hasegawa, Bohumir Strnadel, Vratislav Mareš, David Dvořák, Saburo Usami
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. February 2022, 144(1): 011201.
Paper No: PVT-21-1001
https://doi.org/10.1115/1.4050773
Published Online: August 4, 2021
View Article titled, A Review of Fatigue Crack Growth Thresholds for Metals in Fitness-for-Service Codes: On the Uncertainty of Using the Thresholds at Negative Stress Ratios
Open the PDF for A Review of Fatigue Crack Growth Thresholds for Metals in Fitness-for-Service Codes: On the Uncertainty of Using the Thresholds at Negative Stress Ratios in another window
Topics: Fatigue cracks, Fitness-for-service, Stress, Steel
Proceedings Papers

Utilizing UAV Payload Design by Undergraduate Researchers for Educational and Research Development

William H. Semke, Richard R. Schultz, David Dvorak, Samuel Trandem, Brian Berseth, Matthew Lendway
Proc. ASME. IMECE2007, Volume 7: Engineering Education and Professional Development, 113-120, November 11–15, 2007
Paper No: IMECE2007-43620
https://doi.org/10.1115/IMECE2007-43620
View Paper titled, Utilizing UAV Payload Design by Undergraduate Researchers for Educational and Research Development
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Topics: Design, Undergraduate students, Unmanned aerial vehicles, Students, Electrical engineering, Flight, Systems engineering, Computer software, Delays, Governments