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How does laser engineered net shaping affect the surface roughness of cobalt chromium alloys? 


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Laser engineered net shaping (LENS) significantly impacts the surface roughness of cobalt-chromium (Co-Cr) alloys. Studies show that laser polishing techniques, such as laser re-melting and adaptive remelting strategies, can effectively reduce surface roughness by up to 87%. Parameters like laser power, scanning velocity, and beam diameter play crucial roles in smoothing the surface. Additionally, the use of proper laser parameters and strategies can lead to a substantial decrease in surface roughness while increasing surface hardness of Co-Cr specimens. Furthermore, the choice of shielding gas, object distance, and other laser polishing parameters also influence the surface roughness of Co-Cr alloys. Overall, LENS processes, when optimized correctly, can significantly enhance the surface quality of Co-Cr alloys for various applications.

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Laser power in laser engineered net shaping affects surface roughness of cobalt chromium alloys, with higher power potentially leading to increased roughness due to its impact on the printed parts.
Laser polishing in laser engineered net shaping can significantly impact the surface roughness of cobalt-chromium alloys, achieving enhanced surface quality with specific parameters like defocusing distance and laser power.
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Laser parameters in selective laser melting (SLM) can reduce surface roughness of cobalt-chromium alloys by up to 45% compared to traditional melting, enhancing surface quality and hardness.
Laser polishing in additive manufacturing significantly reduces surface roughness of cobalt-chromium alloys by up to 87%, with laser power being the most influential parameter followed by hatch spacing and scanning velocity.

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