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公开(公告)号：US06236016B1
公开(公告)日：2001-05-22
申请号：US09234381
申请日：1999-01-20
IPC分类号： B23K2600
CPC分类号： C22F3/00 , B23K26/06 , B23K26/064 , B23K26/0648 , B23K26/073 , C21D10/005
摘要： The invention relates to a method and apparatus for improving properties of a solid material by providing shockwaves therethrough. The method includes controlling the incident angle &THgr; of the laser beam applied to the workpiece so that the required residual stresses are created in the workpiece. Particular methods of control such as lenses, polarizers, and particular transparent overlay geometries are shown. The apparatus includes structure for controlling the position and incident angle of the laser beam then controlling the polarization and/or the shape of the incident impact area, based on such incident angle &THgr; or thickness of the workpiece.
摘要翻译： 本发明涉及通过提供冲击波来改善固体材料性能的方法和装置。 该方法包括控制入射角＆THgr; 的激光束施加到工件上，使得在工件中产生所需的残余应力。 示出了诸如透镜，偏振器和特定的透明覆盖几何形状的特定的控制方法。 该装置包括用于基于这样的入射角度控制激光束的位置和入射角然后控制入射冲击区域的偏振和/或形状的结构。 或工件的厚度。
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公开(公告)号：US07470335B2
公开(公告)日：2008-12-30
申请号：US11023228
申请日：2004-12-27
IPC分类号： C21D1/09
CPC分类号： C22F3/00 , C21D10/005 , C21D2261/00 , Y10T428/12493
摘要： A method of manufacturing a workpiece involves performing any one of various post-processing part modification steps on a workpiece that has been previously subjected to laser shock processing. In one step, material is removed from the compressive residual stress region of the processed workpiece. Alternately, the workpiece may be provided with oversized dimensions such that the removal process removes an amount of material sufficient to generate a processed workpiece having dimensions substantially conforming to design specifications. Alternately, the material removal process is adapted to establish a penetration depth for material removal that coincides with the depth at which the workpiece exhibits maximum compressive residual stress. Alternately, a first high-intensity laser shock processing treatment is performed on the workpiece, followed by the removal of material from the compressive residual stress region, and then a second low-intensity laser shock processing treatment is performed on the workpiece. Material may be removed from the compressive residual stress region through a workpiece surface different from the laser shock processed surface. Material may also be deposited onto the laser shock processed surface.
摘要翻译： 制造工件的方法涉及对先前已进行了激光冲击加工的工件进行各种后处理零件修改工序中的任一种。 在一个步骤中，材料从加工的工件的压缩残余应力区域移除。 替代地，工件可以设置有尺寸过大的尺寸，使得去除工艺去除足以产生具有基本上符合设计规格的尺寸的加工工件的材料量。 替代地，材料去除过程适于建立与工件表现出最大压缩残余应力的深度一致的材料去除的穿透深度。 或者，对工件进行第一次高强度激光冲击加工处理，然后从压缩残余应力区域去除材料，然后对工件进行第二次低强度激光冲击加工处理。 材料可以通过不同于激光冲击处理表面的工件表面从压缩残余应力区域移除。 材料也可以沉积到激光冲击处理的表面上。
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公开(公告)号：US06483578B1
公开(公告)日：2002-11-19
申请号：US09592534
申请日：2000-06-12
IPC分类号： G01J100
CPC分类号： C21D10/005 , G01J1/4257
摘要： A method and apparatus for measuring the quality of a laser peening process, which includes a test element, a mount for the test element, wherein the test element is mounted at a preselected point in the anticipated path of a laser pulse, the laser pulse irradiates the test element, the deflection of the test element is measured in the direction substantially perpendicular and away from the impacted surface of the test element, and the deflection measurement is compared to a previously generated chart showing the relationship between characteristics of test elements and desired material properties.
摘要翻译： 一种用于测量激光喷丸处理质量的方法和装置，其包括测试元件，用于测试元件的安装座，其中测试元件安装在激光脉冲的预期路径中的预选点处，激光脉冲照射 测试元件，测试元件的偏转在基本垂直和远离测试元件的冲击表面的方向上测量，并且将偏转测量与先前生成的图表进行比较，其中显示了测试元件和所需材料的特性之间的关系 属性。
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公开(公告)号：US6144012A
公开(公告)日：2000-11-07
申请号：US964798
申请日：1997-11-05
IPC分类号： B23K26/073 , C21D10/00 , B23K26/00
CPC分类号： C21D10/005 , B23K26/073
摘要： A method of laser shock peening a workpiece including the steps of laser shock peening at least one surface of the workpiece so that it extends over an area of the workpiece and forms a region having compressive residual stresses imparted by the laser shock peening extending into the workpiece from the surface, and firing a laser beam to produce the laser shock peened surface with more than one row of laser beam spots, wherein adjacent laser beam spots and/or rows are one of touching or spaced apart from each other.
摘要翻译： 一种对工件进行激光冲击硬化的方法，包括以下步骤：对工件的至少一个表面进行激光冲击硬化，使其在工件的区域上延伸，并形成具有由激光冲击喷丸延伸到工件中的压缩残余应力的区域 并且激发激光束以产生具有多于一行激光束斑点的激光冲击喷丸表面，其中相邻的激光束斑点和/或行是彼此接触或间隔开的一个。
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公开(公告)号：US07776165B1
公开(公告)日：2010-08-17
申请号：US12201519
申请日：2008-08-29
IPC分类号： C21D1/09
CPC分类号： C22F3/00 , C21D10/005 , C21D2261/00 , Y10T428/12493
摘要： A method of manufacturing a workpiece involves performing any one of various post-processing part modification steps on a workpiece that has been previously subjected to laser shock processing. In one step, material is removed from the compressive residual stress region of the processed workpiece. Alternately, the workpiece may be provided with oversized dimensions such that the removal process removes an amount of material sufficient to generate a processed workpiece having dimensions substantially conforming to design specifications. Alternately, the material removal process is adapted to establish a penetration depth for material removal that coincides with the depth at which the workpiece exhibits maximum compressive residual stress. Alternately, a first high-intensity laser shock processing treatment is performed on the workpiece, followed by the removal of material from the compressive residual stress region, and then a second low-intensity laser shock processing treatment is performed on the workpiece. Material may be removed from the compressive residual stress region through a workpiece surface different from the laser shock processed surface. Material may also be deposited onto the laser shock processed surface.
摘要翻译： 制造工件的方法涉及对先前已进行了激光冲击加工的工件进行各种后处理零件修改工序中的任一种。 在一个步骤中，材料从加工的工件的压缩残余应力区域移除。 替代地，工件可以设置有尺寸过大的尺寸，使得去除工艺去除足以产生具有基本上符合设计规格的尺寸的加工工件的材料量。 替代地，材料去除过程适于建立与工件表现出最大压缩残余应力的深度一致的材料去除的穿透深度。 或者，对工件进行第一次高强度激光冲击加工处理，然后从压缩残余应力区域去除材料，然后对工件进行第二次低强度激光冲击加工处理。 材料可以通过不同于激光冲击处理表面的工件表面从压缩残余应力区域移除。 材料也可以沉积到激光冲击处理的表面上。
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公开(公告)号：US06852179B1
公开(公告)日：2005-02-08
申请号：US09590866
申请日：2000-06-09
CPC分类号： C22F3/00 , C21D10/005 , C21D2261/00 , Y10T428/12493
摘要： A method of manufacturing a workpiece involves performing any one of various post-processing part modification steps on a workpiece that has been previously subjected to laser shock processing. In one step, material is removed from the compressive residual stress region of the processed workpiece. Alternately, the workpiece may be provided with oversized dimensions such that the removal process removes an amount of material sufficient to generate a processed workpiece having dimensions substantially conforming to design specifications. Alternately, the material removal process is adapted to establish a penetration depth for material removal that coincides with the depth at which the workpiece exhibits maximum compressive residual stress. Alternately, a first high-intensity laser shock processing treatment is performed on the workpiece, followed by the removal of material from the compressive residual stress region, and then a second low-intensity laser shock processing treatment is performed on the workpiece. Material may be removed from the compressive residual stress region through a workpiece surface different from the laser shock processed surface. Material may also be deposited onto the laser shock processed surface.
摘要翻译： 制造工件的方法涉及对先前已进行了激光冲击加工的工件进行各种后处理零件修改工序中的任一种。 在一个步骤中，材料从加工的工件的压缩残余应力区域移除。 替代地，工件可以设置有尺寸过大的尺寸，使得去除工艺去除足以产生具有基本上符合设计规格的尺寸的加工工件的材料量。 替代地，材料去除过程适于建立与工件表现出最大压缩残余应力的深度一致的材料去除的穿透深度。 或者，对工件进行第一次高强度激光冲击加工处理，然后从压缩残余应力区域去除材料，然后对工件进行第二次低强度激光冲击加工处理。 材料可以通过不同于激光冲击处理表面的工件表面从压缩残余应力区域移除。 材料也可以沉积到激光冲击处理的表面上。
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7.发明授权Method using laser shock processing to provide improved residual stress profile characteristics 失效使用激光冲击加工的方法来提供改进的残余应力分布特征公开(公告)号：US06875953B2
公开(公告)日：2005-04-05
申请号：US10662802
申请日：2003-09-12
CPC分类号： F01D5/286 , C21D10/005 , F05D2230/41 , Y02T50/672
摘要： Various laser shock processing methods are provided to establish selective compressive residual stress distribution profiles within a workpiece. An asymmetrical stress distribution profile may be formed through the thickness of a thin section of a gas turbine engine airfoil. One method involves simultaneously irradiating a workpiece with a set of laser beams to form a corresponding set of adjacent non-overlapping laser shock peened surfaces, enabling the shockwaves to encounter one another. Additionally, opposite sides of the workpiece may be irradiated at different times to form opposing laser shock peened surfaces, enabling the shockwaves to meet at a location apart from the mid-plane. Furthermore, opposite sides of the workpiece may be irradiated simultaneously using laser beams having different pulse lengths to form opposing laser shock peened surfaces. Moreover, opposite sides of the workpiece may be irradiated simultaneously to form a set of laterally offset laser shock peened surfaces.
摘要翻译： 提供各种激光冲击加工方法，以在工件内建立选择性压缩残余应力分布曲线。 可以通过燃气涡轮发动机翼型件的薄部分的厚度形成不对称的应力分布轮廓。 一种方法包括同时用一组激光束照射工件以形成相应的一组相邻的非重叠的激光冲击喷丸表面，使得冲击波彼此相遇。 此外，可以在不同时间照射工件的相对侧以形成相对的激光冲击喷丸表面，使得冲击波能够在远离中间平面的位置相遇。 此外，可以使用具有不同脉冲长度的激光束同时照射工件的相对侧，以形成相对的激光冲击喷丸表面。 此外，可以同时照射工件的相对侧，以形成一组横向偏移的激光冲击喷丸表面。
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公开(公告)号：US06469275B2
公开(公告)日：2002-10-22
申请号：US09861419
申请日：2001-05-18
IPC分类号： B23K2600
CPC分类号： B23K26/0648 , B23K26/06 , B23K26/356
摘要： A method and apparatus for improving properties of a solid material by providing shockwaves therethrough. The method includes controlling the incident angle &THgr; of the laser beam applied to the workpiece so that the required residual stresses are created in the workpiece. Particular methods of control such as lenses, polarizers, and particular transparent overlay geometries are shown. The apparatus includes structure for controlling the position and incident angle of the laser beam then controlling the polarization and/or the shape of the incident impact area, based on such incident angle &THgr; or thickness of the workpiece.
摘要翻译： 一种通过提供冲击波来改善固体材料性能的方法和装置。 该方法包括控制入射角＆THgr; 的激光束施加到工件上，使得在工件中产生所需的残余应力。 示出了诸如透镜，偏振器和特定的透明覆盖几何形状的特定的控制方法。 该装置包括用于基于这样的入射角度控制激光束的位置和入射角然后控制入射冲击区域的偏振和/或形状的结构; 或工件的厚度。
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公开(公告)号：US6002102A
公开(公告)日：1999-12-14
申请号：US806094
申请日：1997-02-25
CPC分类号： B23K26/0069 , B23K26/06 , B23K26/064 , B23K26/0643 , B23K26/0648 , B23K26/0665
摘要： The invention includes a laser processing method for processing a hidden surface of a workpiece, the hidden surface disposed within a recess having an opening. The method comprises inserting a reflective member into the recess and directing a pulse of coherent energy to reflect off of said reflective member and impact the hidden surface of workpiece to create a shock wave. Alteratively a surface of the recess may be modified to laser shock process the hidden surface.
摘要翻译： 本发明包括用于处理工件的隐藏表面的激光加工方法，所述隐藏表面设置在具有开口的凹部内。 该方法包括将反射构件插入到凹部中并且引导相干能量的脉冲以反射离开所述反射构件并撞击工件的隐藏表面以产生冲击波。 改变凹坑的表面可以被修改为激光冲击处理隐藏的表面。
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公开(公告)号：US5911890A
公开(公告)日：1999-06-15
申请号：US805735
申请日：1997-02-25
CPC分类号： C22F3/00 , B23K26/06 , B23K26/064 , B23K26/0648 , B23K26/073 , C21D10/005
摘要： A method and apparatus for improving properties of a solid material by providing shockwaves therethrough. The method includes controlling the incident angle .theta. of the laser beam applied to the workpiece so that the required residual stresses are created in the workpiece. Particular methods of control such as lenses, polarizers, and particular transparent overlay geometries are shown. The apparatus includes structure for controlling the position and incident angle of the laser beam then controlling the polarization and/or the shape of the incident impact area, based on such incident angle .theta..
摘要翻译： 一种通过提供冲击波来改善固体材料性能的方法和装置。 该方法包括控制施加到工件的激光束的入射角θ，使得在工件中产生所需的残余应力。 示出了诸如透镜，偏振器和特定的透明覆盖几何形状的特定的控制方法。 该装置包括用于基于这种入射角度θ来控制激光束的位置和入射角然后控制入射冲击区域的偏振和/或形状的结构。
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