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Featured Scientific Journals & Papers

Diminishing comminution of urinary stones with subsequent laser pulses   New!

Yuri A. Pishchalnikov Applaud Medical, Inc., 953 Indiana St., San Francisco, CA 94107, yuri.pishchalnikov@applaudmedical.com William M. Behnke-Parks Applaud Medical, Inc., San Francisco, CA Marshall L. Stoller Dept. of Urology, Univ. of California San Francisco, San Francisco, CA, "Diminishing comminution of urinary stones with subsequent laser pulses", The Journal of the Acoustical Society of America 150, A329-A329 (2021) https://doi.org/10.1121/10.0008467

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Strain-Rate-Dependent mechanical behavior of a non-Equimolar CoCrFeMnNi high entropy alloy with a segmented coarse grain structure   New!

Haoyang Li, Chenwei Shao, Okan K. Orhan, David Funes Rojas, Mauricio Ponga, James D. Hogan, Strain-Rate-Dependent mechanical behavior of a non-Equimolar CoCrFeMnNi high entropy alloy with a segmented coarse grain structure, Materialia, Volume 21, 2022, 101271, ISSN 2589-1529, https://doi.org/10.1016/j.mtla.2021.101271. (https://www.sciencedirect.com/science/article/pii/S258915292100274X) Abstract: The mechanical response of a Co11.3Cr20.4Fe22.6Mn21.8Ni23.9 (wt%) high entropy alloy with a segmented coarse grain structure is investigated using strain-rate-dependent uniaxial compression experiments. The composition is verified using ab-initio simulations by examining thermal stability through the reduction of Gibbs free energy relative to similar equi-molar alloys. The segmented grain structure, combining high-angle coarse-grains with low-angle sub-grains, provides good hardness (∼3 GPa) and strain-hardening (∼2600 MPa/ε). Yield strength shows strain-rate-dependent behavior with high strain-rate sensitivity. Here, the macroscopic deformation is correlated with the microscopic plastic failure mechanisms, facilitated by advanced in situ visualization and analysis. Results reveal that the formation of deformation bands occur before yield, while the interactions between microscopic plastic deformation mechanisms and the low-angle sub-grain boundaries significantly affect the apparent surface deformation features and mechanical properties.

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Ultra-high speed X-ray imaging of dynamic fracturing in cementitious materials under impact

Ultra-high speed X-ray imaging of dynamic fracturing in cementitious materials under impact Bratislav Lukić, Maria Blasone, Yannick Duplan, Pascal Forquin, Emilio Escauriza, Michael Rutherford, David Chapman, Daniel Eakins, Margie Olbinado, Alexander Rack EPJ Web Conf. 250 01014 (2021) DOI: 10.1051/epjconf/202125001014

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A liquid breakdown driven non-invasive microjet injection system

Hwichan Ham, Jack J. Yoh, A liquid breakdown driven non-invasive microjet injection system, Medical Engineering & Physics, 2021,

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Investigation of the 2D assumption in the image-based inertial impact test

Van Blitterswyk, J, Fletcher, L, Pierron, F. Investigation of the 2D assumption in the image‐based inertial impact test. Strain. 2021; 57:e12369. https://doi.org/10.1111/str.12369

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Graphene Formation through Pulsed Wire Discharge of Graphite Strips in Water: Exfoliation Mechanism

Tanaka, S.; Inao, D.; Hasegawa, K.; Hokamoto, K.; Chen, P.; Gao, X. Graphene Formation through Pulsed Wire Discharge of Graphite Strips in Water: Exfoliation Mechanism. Nanomaterials 202111, 1223. https://doi.org/10.3390/nano11051223

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Supersonic needle-jet generation with single cavitation bubbles

Appl. Phys. Lett. 118, 134103 (2021); https://doi.org/10.1063/5.0045705 Submitted: 28 January 2021 . Accepted: 15 March 2021 . Published Online: 01 April 2021

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Electronegative microchannel guided streamer propagation for in-liquid spark breakdown applications

Appl. Phys. Lett. 118, 103905 (2021); https://doi.org/10.1063/5.0042591 Submitted: 31 December 2020 . Accepted: 18 February 2021 . Published Online: 11 March 2021

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Probing inertial cavitation damage in viscoelastic hydrogels using dynamic bubble pairs

Yang, Jin & Cramer, Harry & Buyukozturk, Selda & Franck, Christian. (2021). Probing inertial cavitation damage in viscoelastic hydrogels using dynamic bubble pairs. 10.13140/RG.2.2.17764.50565. 

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Two-dimensional dynamic damage accumulation in engineered brittle materials

Brendan M.L. Koch, Calvin Lo, Haoyang Li, Tomoko Sano, Jonathan Ligda, James David Hogan, Two-dimensional dynamic damage accumulation in engineered brittle materials, Engineering Fracture Mechanics, doi: https://doi.org/10.1016/j.engfracmech.2021.107539

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Hypervelocity Impact Response of Polyethylene Plates

Jacob Rogers, Paul T. Mead, Khari Harrison, Kalyan Raj Kota, James D. Leaverton, Gavin Lukasik, Waruna D. Kulatilaka, Justin W. Wilkerson, Thomas E. Lacy, Published Online:4 Jan 2021, https://doi.org/10.2514/6.2021-0887

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Real-time damage characterization for GFRCs using high-speed synchrotron X-ray phase contrast imaging

Jinling Gao, Nesredin Kedir, Cody D. Kirk, Julio Hernandez, Junyu Wang, Shane Paulson, Xuedong Zhai, Todd Horn, Garam Kim, Jian Gao, Kamel Fezzaa, Francesco De Carlo, Pavel Shevchenko, Tyler N. Tallman, Ronald Sterkenburg, Giuseppe R. Palmese, Weinong Chen, Real-time damage characterization for GFRCs using high-speed synchrotron X-ray phase contrast imaging, Composites Part B: Engineering, Volume 207,
2021, 108565, ISSN 1359-8368, https://doi.org/10.1016/j.compositesb.2020.108565.

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