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Laser welding machine welding process produced three main cracks: knot cracks, liquefied cracks and reheat cracks. Crystalline cracks are related to the compositional heterogeneity of the weld macroscopic region. The central area of the weld is the latest part of the liquid phase crystallization, where the columnar crystals on both sides of the weld intersect at the same time, and a large number of low melting impurities are also accumulated here to form a centerline segregation, thereby…Continue
The “Nominal Ocular Dazzle Distance” concept was developed by Dr. Craig Williamson and Dr. Leon McLin, around 2015. This concept allows more precision when determining how much a visible-light laser exposure interferes with vision by causing dazzle or glare. There are two main parts:
1. Determining how wide an area of vision can be blocked by dazzle, before a given task is difficult or impossible.
2. Determining the …
Laser weapon is a weapon that can be used to attack the target with the laser beam, and to make it lose its operational capability. This kind of burning laser weapons, generally refers to the weapons which power have come to thousands of joule or more, caused that, it is also known as strong laser weapon. Those weapons used in laser interference optical system and…Continue
Despite the highly secretive of Russian laser weapons, but as early as December 2014, the former chief of the Russian armed forces Yuri Baluyevsky had announced that the Russian laser weapon are not falling behind the United States,they can destroy all weapons system".The USA WATM research institutions list Russia's most threatening new weapons,…Continue