Multiobjective Optimization of Laser Milling Parameters of Microcavities for the Manufacturing of DES

被引：11
|
作者：
Teixidor, Daniel [1 ]
Ciurana, Joaquim [1 ]
Rodriguez, Ciro [2 ]
机构：
[1] Univ Girona, Girona 17071, Spain
[2] Tecnol Monterrey, Ctr Innovac Diseno & Tecnol, Nuevo Leon, Mexico
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2013年 / 28卷 / 12期
关键词：
Drug eluting stents; Laser milling; Microcavities manufacturing; Process parameter optimization; OBJECTIVE GENETIC ALGORITHMS; NEURAL-NETWORK APPROACH; MATERIALS SCIENCE; TOOL;
D O I：
10.1080/10426914.2013.832307
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A multiobjective optimization of the laser milling process of microcavities for the manufacturing of drug eluting stents (DES) is presented. The diameter, depth, and volume error are considered to be optimized in function of the process parameters (scanning speed, laser intensity, and pulse frequency). Several experiments are carried out following a design of experiments in a nanosecond pulsed Nd:YAG laser machine on 316L Stainless Steel as a work material. Two different geometries are studied, and they are considered as another variable for the model. The multiobjective optimization problem is solved by NSGA-II algorithm, and the nondominated Pareto-optimal fronts are obtained. The capability of the process to manufacture within a level of error is also investigated. Relative error capability maps for different scale of features are presented.
引用
收藏
页码：1370 / 1378
页数：9
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