Method for analyzing microstructure nucleation mechanism of laser welding seam
A microstructure, laser welding technology, applied in the preparation of test samples, testing metal structure, material inspection products, etc., can solve the problem of not being able to independently identify multiple nucleation mechanisms and their causes, and no research on welds. The central equiaxed crystal nucleation mechanism and the inability to distinguish the two types of weld microstructures can achieve the effects of low sample preparation cost, improved repeatability and high accuracy.
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[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0045] see Figure 12 and figure 1 , the method for analyzing the nucleation mechanism of the microstructure of the laser welding seam provided by the present invention, the method is proposed for individually and one by one identifying and confirming the specific nucleation mechanism when there are multiple nucleation mechanisms in the microstructure of the weld, It combines material metallur...
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