Method and apparatus for laser quenching
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United States of America Patent
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Oct 23, 2018
Grant Date -
Mar 17, 2016
app pub date -
Nov 7, 2013
filing date -
Feb 6, 2013
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Abstract
Provided are a method and an apparatus for laser quenching. The method utilizes a scanning galvanometer, and involves laser quenching via irradiation with intermittent, repeated scans, rather than a single scan as in the prior art. The method results in increased laser energy absorbed by the metal base and improved depth of thermal conduction, while avoiding melting at the metal surface, thus providing a significantly improved laser quenching process. The apparatus can include a laser, a control system, a light guiding system, a mechanical motion device and a galvanometer.
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