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"Effect of Pyrolytic Carbon Interface Thickness on Conductivity and Tri" by Pei Wang, Guanyu Deng et al.


Abstract
To improve electrical conductivity of the carbon-based pantograph strip, a sliding contact material of pyrolytic carbon (PyC) coated-copper foam/carbon composite was fabricated by chemical vapor deposition technology, followed by densifying processes of furan resin impregnation and carbonization. Morphology, electrical conductivity, wear and friction behavior of the composites are investigated to clarify the effect of PyC thickness (from 0 μm to 280 μm) on tribological behaviors and current transfer characteristic. The results show that there is a good interface combination between copper foam and resin carbon matrix in the composites after the improvement of interface wettability by inserting PyC layer. The composite has great advantages in electrical conductivity and density due to the copper foam and PyC layer with three-dimensional structure. With increasing the PyC thickness, both electrical conductivity and wear resistance of the composite have steadily increa ....

Analytical Model , Opper Foam , Electrical Conductivity , Yrolytic Carbon , பகுப்பாய்வு மாதிரி ,

Innovations in Dredging webinar starts this Friday


Innovations in Dredging webinar starts this Friday
February 22, 2021,
by
Zlatan Hrvacevic
This week, Western Dredging Association (WEDA) will hold their next webinar, the Innovations in Dredging.
The Innovations in Dredging webinar – set for Friday, February 26, 2021 (from 11 AM to noon EST) – will feature two presentations by Aiden Horan and Xiuhan Chen.
Innovations in Dredging Topics & Presenters
• Innovative Scow Boarding System
• A 3D Analytical Model for Linear Rock Cutting Process
Ir.
A 3D Analytical Model for Linear Rock Cutting Process
This research explains the analytical derivation for upgrading the current rock cutting models from 2D to 3D, from cutting with sharp tools to cutting with wear flat. The analytical derivation is supported by experimental research. ....

Aiden Horan , Xiuhan Chen , J Cashman Inc , Delft University Of Technology , Western Dredging Association , Dredging Topics , Innovative Scow Boarding , Vice President Of Engineering , Analytical Model , Linear Rock Cutting , Postdoc Researcher , Delft University , உதவி ஹொரன் , ஜு காஷ்மேன் இன்க் , டெல்ஃப்ட் பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம் , மேற்கு அகழ்வாராய்ச்சி சங்கம் , அகழ்வாராய்ச்சி தலைப்புகள் , புதுமையானது ஸ்கோ போர்டிங் , துணை ப்ரெஸிடெஂட் ஆஃப் பொறியியல் , பகுப்பாய்வு மாதிரி , நேரியல் பாறை வெட்டுதல் , டெல்ஃப்ட் பல்கலைக்கழகம் ,

Innovations in Dredging set for February 26


Innovations in Dredging set for February 26
February 9, 2021,
by
Eldin Ganic
WEDA’s next webinar – Innovations in Dredging – will take place on Friday, February 26, 2021, from 11 AM to noon EST. 
The Innovations in Dredging Webinar will feature two presentations by Aiden Horan, the Vice President Of Engineering & Innovation, J. Cashman, Inc., and Xiuhan Chen, the Vice President, ANAMAR Environmental Consulting, Inc.
A 3D Analytical Model for Linear Rock Cutting Process
This research explains the analytical derivation for upgrading the current rock cutting models from 2D to 3D, from cutting with sharp tools to cutting with wear flat.
The analytical derivation is supported by experimental research. ....

Aiden Horan , Xiuhan Chen , J Cashman Inc , Environmental Consulting Inc , Dredging Webinar , Vice President Of Engineering , Analytical Model , Linear Rock Cutting , உதவி ஹொரன் , ஜு காஷ்மேன் இன்க் , சுற்றுச்சூழல் ஆலோசனை இன்க் , அகழ்வாராய்ச்சி வெபினார் , துணை ப்ரெஸிடெஂட் ஆஃப் பொறியியல் , பகுப்பாய்வு மாதிரி , நேரியல் பாறை வெட்டுதல் ,