Laser marking of contrast images for optical read-out systems

Yulmetova, Olga S.; Tumanova, M. A.

doi:10.1088/1742-6596/917/5/052007

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Cited by 7 publications

(1 citation statement)

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“…There were studies on the laser marking effect on steel properties in works [11,12]. According to these studies, laser marking changes the structure of the treated surface, which leads to a decrease in corrosion resistance and raises the chance of corrosion centers formation.…”

Section: Introductionmentioning

confidence: 99%

Temperature Influence on Readability of the QR-Code on Titanium Alloy

Konchus

Salpagarov

Sivenkov

2022

KEM

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This work shows readability of the QR code of the structural alloy Ti2 surface after the thermal influence. The main goal is the readability estimation after exposure to temperatures exceeding operating alloy temperatures and in destruction crash conditions. Contrast and readability were measured by using a Samsung smartphone and the program Adobe Photoshop CC 2017. The graphs of contrast change depending on the heating temperature were drawn. These graphs illustrate that significant changes in contrast are observed in the range from 500 to 600°C due to darkening of the base metal and the substrate, as well as fading of the dark elements of the code.

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Section: Introductionmentioning

confidence: 99%