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Surface characteristic of stainless steel sheet after pulsed laser forming

机译:脉冲激光成形后不锈钢薄板的表面特性

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摘要

Laser forming is a non-contact and die-less forming technique of producing bending, spatial forming, modifying and adjusting the curvature of the metallic sheet by using the controlled laser beam energy. One of the problems in laser forming is controlling the characteristic of laser scanned surface. The aim of the investigation is to explore the relation between the surface behaviors of heat affected zone (HAZ) scanned by pulse laser and the pulse parameters of the laser. This paper illustrated the fundamental theory of pulsed laser affected material, and pays attention to the microstructure, micro-hardness and the anticorrosion in the HAZ generated by the laser scanning. Metallographic microscope, scanning electron microscope (SEM), micro-hardness testing system are used to examine the surface characteristics. The work presented in this paper is beneficial to understand the mechanism of pulse laser affect to materials and improve controlling the surface behaviors scanned by pulsed laser.
机译:激光成型是一种非接触式和无模具成型技术,通过使用受控的激光束能量来产生弯曲,空间成型,修改和调整金属板的曲率。激光成形中的问题之一是控制激光扫描表面的特性。研究的目的是探索脉冲激光扫描的热影响区(HAZ)的表面行为与激光脉冲参数之间的关系。本文阐述了脉冲激光影响材料的基本原理,并关注了激光扫描产生的热影响区的组织,显微硬度和防腐性能。使用金相显微镜,扫描电子显微镜(SEM),显微硬度测试系统检查表面特性。本文的工作有助于理解脉冲激光对材料的影响机理,并改善对脉冲激光扫描表面行为的控制。

著录项

  • 来源
    《Applied Surface Science》 |2010年第23期|P.7018-7026|共9页
  • 作者单位

    School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China School of Material Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;

    rnCollege of Civil Engineering and Refrigeration Engineering, Harbin University of Commerce, Harbin 150001, China;

    rnSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China;

    rnSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China;

    rnSchool of Material Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    heat affected zone (HAZ); microstructure; micro-hardness; pulse parameter; laser forming;

    机译:热影响区(HAZ);微观结构显微硬度脉冲参数激光成型;

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