Influence of Surface State in Micro-Welding of Copper by Nd:YAG Laser

Influence of Surface State in Micro-Welding of Copper by Nd:YAG Laser

Laser welding of copper is characterized by low and unstable light absorption around 1000 nm wavelength. Combination of high thermal conductivity and low melting point makes it difficult to obtain good welding quality and leads to low energy utilization. To improve efficiency and welding quality, a...

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Bibliographic Details
Main Authors: Martin Ruthandi Maina, Yasuhiro Okamoto, Reiki Inoue, Shin-ichi Nakashiba, Akira Okada, Tomokazu Sakagawa
Format: Article
Language:English
Published: MDPI AG 2018-11-01
Series:Applied Sciences
Subjects:
absorption rate
copper
heat conduction
keyhole
laser welding
Nd:YAG laser
Online Access:https://www.mdpi.com/2076-3417/8/12/2364

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