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Low fluence boundary laser shock peening

机译:低注量边界激光冲击喷丸

摘要

A method for laser shock peening an article including laser shock peening a first area (14) with at least one high fluence laser beam (16) and laser shock peening a border area (20) between the first area (14) and a non-laser shock peened area (22) of the article with at least one first low fluence laser beam (24). The border area (20) may be laser shock peened with a second low fluence laser beam (45) or more low fluence laser beams wherein the second low fluence laser beam (45) and others have a lower fluence than the first low fluence laser beam (24). The border area (20) may be laser shock peened with progressively lower fluence laser beams starting with the one first fluence laser beam (24) wherein the progressively lower fluence laser beams are in order of greatest fluence to least fluence in a direction outwardly from the first area through the border area (20) to the non-laser shock peened area (22). IMAGE
机译:一种用于对物品进行激光冲击硬化的方法,该方法包括用至少一个高通量激光束对第一区域(14)进行激光冲击硬化,以及在第一区域(14)和非区域之间的边界区域(20)进行激光冲击硬化。用至少一个第一低通量激光束(24)对制品的激光冲击硬化区域(22)进行激光冲击。边界区域(20)可以被第二低通量激光束(45)或更多个低通量激光束冲击,其中第二低通量激光束(45)和其他低通量激光束的通量小于第一低通量激光束的通量。 (24)。边界区域(20)可以是从一个第一能量密度激光束(24)开始的,逐渐降低能量密度的激光束的激光冲击,其中,该能量密度逐渐降低的激光束以从最大能量密度到最小能量密度的顺序在从第一能量密度激光束向外的方向上。第一区域通过边界区域(20)到达非激光冲击硬化区域(22)。 <图像>

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