Study on the Influence of Ultrafast Laser Welding Parameters on Glass Bonding Performance.

Weld width and heat-affected zone width show an increasing trend with the increase of the scanning times, the width increases faster when the scanning times are 5~45 times, and the width is basically unchanged when the scanning times are more than 45 times, which indicating that the scanning times have a small influence on the weld width and heat-affected zone width.

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When the single pulse energy is greater than 19.6 μJ, due to the excessive increase in energy, ablation latent heat is easily formed in the laser action area, and defects in the bonding weld gradually increase, which has an adverse effect on the connection strength, so the shear strength shows a decreasing trend.

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