4 January 2008 Optimization of laser processing techniques and parameters for laser transformation hardening with multi-objectives
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The new idea of the optimum controlling of laser processing technique and parameters with multi-objectives and multi-variables was put forth. With the comprehensive discussion about the quality index of laser transformation hardening (LTH), a hierarchical structure of the LTH quality index system and a decision-making framework model of the quality control were set up. Then, based on the conclusions of the sensitivities of LTH parameters' influences on the case indexes, the principle of LTH's parameters optimization was discussed by means of fuzzy decision method. With the combination of the principle and the sectionlly changing scanning velocity technique, which can effectively the uniformity of longitudinal case-distribution, a decision-making framework for optimal controlling on the laser scanning technique and the parameters with multi-objectives were put forward. An optimization model was developed and the validity of the model was verified both by theoretical computation and experimental results.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gang Wu, Gang Wu, Lei Hong, Lei Hong, } "Optimization of laser processing techniques and parameters for laser transformation hardening with multi-objectives", Proc. SPIE 6825, Lasers in Material Processing and Manufacturing III, 68250H (4 January 2008); doi: 10.1117/12.754312; https://doi.org/10.1117/12.754312


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