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Burke is basking in brilliant run for St Thomas' - Connacht Tribune

Burke is basking in brilliant run for St Thomas' - Connacht Tribune
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A Route for Avoiding Defects During Additive Manufacturing


Date Time
A Route for Avoiding Defects During Additive Manufacturing
Laser powder bed fusion is a dominant additive manufacturing technology that has yet to reach its potential. The problem facing industry is that tiny bubbles or pores sometimes form during the printing process, and these pores create weak spots in finished products.
When a slow-speed, high-power laser is melting metal powder during the 3D printing of a part, a keyhole-shaped cavity in the melt pool can result. Pores, i.e., defects, form at the bottom of the keyhole. New research published in Science reveals how the pores are generated and become defects trapped in solidifying metal. ....

United States , Anthony Rollett , Xuxiao Li , Niranjand Parab , Kamel Fezzaa , Cang Zhao , Tao Sun , Carnegie Mellon Next Manufacturing Center , University Of Utah , University Of Virginia , Argonne National Laboratory , Tsinghua University , Carnegie Mellon , Next Manufacturing Center , Wenda Tan , ஒன்றுபட்டது மாநிலங்களில் , காங் ழோ , தாவோ சூரியன் , கார்னகி மெலந் அடுத்தது உற்பத்தி மையம் , பல்கலைக்கழகம் ஆஃப் உட்டா , பல்கலைக்கழகம் ஆஃப் வர்ஜீனியா , ஆர்கோன் தேசிய ஆய்வகம் , கார்னகி மெலந் , அடுத்தது உற்பத்தி மையம் , வெண்டா பழுப்பு ,