公开(公告)号：US06238187B1

公开(公告)日：2001-05-29

申请号：US09418115

申请日：1999-10-14

申请人： Jeff L. Dulaney ,  Allan H. Clauer ,  Joseph F. Clarady ,  Robert Baumgarten ,  Jerry G. Weinstein ,  Benjamin R. Hack

发明人： Jeff L. Dulaney ,  Allan H. Clauer ,  Joseph F. Clarady ,  Robert Baumgarten ,  Jerry G. Weinstein ,  Benjamin R. Hack

IPC分类号： B63H126

CPC分类号： B23P6/005 ,  C21D10/005 ,  F01D5/005

摘要： A method is disclosed for repairing damage to an airfoil. The method provides for the removal of a section of the airfoil that substantially encompasses the damaged area, which consequently leaves a void and a cut-away surface in the airfoil. A replacement piece larger than the residual void is provided for use in replacing the section removed from the airfoil. A joining operation welds or otherwise joins the replacement piece to the airfoil at the cut-away surface to form a joined airfoil. The joined airfoil has a seam between the airfoil and the replacement piece. At least a portion of the seam is processed by laser shock peening to induce compressive residual stresses therein.

摘要翻译： 公开了一种修复对翼型的损伤的方法。 该方法提供了去除基本上包围损坏区域的翼型部分，从而在翼型件中留下空隙和切除表面。 提供大于残余空隙的替换件，用于替换从翼型移除的部分。 接合操作在切割表面处焊接或以其他方式将更换件连接到翼型件以形成接合的翼型件。 连接的翼型件在翼型件和替换件之间具有接缝。 通过激光冲击喷丸处理至少一部分接缝以在其中引起压缩残余应力。

公开(公告)号：US06747240B2

公开(公告)日：2004-06-08

申请号：US10372520

申请日：2003-02-21

申请人： Richard D. Tenaglia ,  Jeff L. Dulaney ,  Allan H. Clauer

发明人： Richard D. Tenaglia ,  Jeff L. Dulaney ,  Allan H. Clauer

IPC分类号： B23K2600

CPC分类号： C21D10/005 ,  B23K26/009 ,  B23K26/18 ,  B23K26/356 ,  B23K2103/42 ,  B23K2103/50

摘要： A method and apparatus for increasing the effectiveness and efficiency of laser shock processing of a solid material. The method includes applying an energy absorbing coating to a portion of the surface of a solid material, applying an ultraviolet curable resin to the coated portion of the surface of the solid material, applying an ultraviolet light to the curable resin to form a pellicle over the energy absorbing coating on the surface of the solid material, and applying a transparent overlay to the pellicular portion of the solid material. A pulse of coherent laser energy is directed to the coated portion of the solid material to create a shockwave. After the pulse of coherent energy is directed to the solid material, a high-speed jet of fluid may be directed to the coated portion of the solid material to remove the remaining coating from the solid material.

摘要翻译： 一种用于提高固体材料的激光冲击加工的有效性和效率的方法和装置。 该方法包括将能量吸收涂层施加到固体材料表面的一部分上，将紫外线固化树脂施加到固体材料表面的涂覆部分上，向可固化树脂施加紫外光以在该固化树脂上形成防护薄膜 在固体材料表面上的能量吸收涂层，以及将透明覆盖层施加到固体材料的薄膜部分。 相干激光能量的脉冲被引导到固体材料的涂覆部分以产生冲击波。 在相干能量的脉冲被引导到固体材料之后，高速喷射的流体可以被引导到固体材料的涂覆部分，以从固体材料中除去剩余的涂层。

公开(公告)号：US06236016B1

公开(公告)日：2001-05-22

申请号：US09234381

申请日：1999-01-20

申请人： Jeff L. Dulaney ,  Allan H. Clauer ,  Steven M. Toller

发明人： Jeff L. Dulaney ,  Allan H. Clauer ,  Steven M. Toller

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。

公开(公告)号：US20110126605A1

公开(公告)日：2011-06-02

申请号：US13023513

申请日：2011-02-08

申请人： Richard D. Tenaglia ,  Allan H. Clauer ,  Jeff L. Dulaney ,  David F. Lahrman ,  Steve Toller

发明人： Richard D. Tenaglia ,  Allan H. Clauer ,  Jeff L. Dulaney ,  David F. Lahrman ,  Steve Toller

IPC分类号： C21D7/06

CPC分类号： C21D10/005 ,  G01N3/20 ,  G01N3/62 ,  G01N2203/0248 ,  G01N2203/0664

摘要： A bend bar is available for use in a quality control test for testing for a consistency of residual stress effects in a particular material using a given a laser peening process. The bar is composed of the particular material to be tested and has a bar length and a bar thickness. The particular material has a characteristic maximum stress penetration depth for compressive residual stresses that can be formed in using the given laser peening process. The bar thickness is chosen so as to be at least twice the characteristic maximum stress penetration depth. The bar has a test surface that extends parallel to the bar length and perpendicular to the bar thickness. After forming a spot pattern on the test surface using the given laser peening process, the deflection generated in the bar due to the compressive residual stresses induced by laser peening can then be measured and used as a quality control measurement.

摘要翻译： 弯曲杆可用于质量控制测试，用于使用给定的激光喷丸处理来测试特定材料中的残余应力效应的一致性。 该棒由待测试的特定材料组成，具有棒长度和棒厚度。 特定材料具有特定的最大应力穿透深度，用于在使用给定的激光喷丸处理过程中形成的压缩残余应力。 选择棒厚度至少是特征最大应力穿透深度的两倍。 棒具有平行于棒长度并垂直于棒厚度的测试表面。 在使用给定的激光喷丸处理方法在测试表面上形成斑点图案之后，可以测量由于激光喷丸处理引起的压缩残余应力而在棒中产生的偏转并用作质量控制测量。

公开(公告)号：US06664506B2

公开(公告)日：2003-12-16

申请号：US10207560

申请日：2002-07-29

申请人： Allan H. Clauer ,  David F. Lahrman ,  Jeff L. Dulaney ,  Steve M. Toller

发明人： Allan H. Clauer ,  David F. Lahrman ,  Jeff L. Dulaney ,  Steve M. Toller

IPC分类号： B23K2600

CPC分类号： F01D5/286 ,  B23K26/0622 ,  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 midplane. 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。

公开(公告)号：US06483578B1

公开(公告)日：2002-11-19

申请号：US09592534

申请日：2000-06-12

申请人： Allan H. Clauer ,  Steven M. Toller ,  Jeff L. Dulaney ,  David F. Lahrman

发明人： Allan H. Clauer ,  Steven M. Toller ,  Jeff L. Dulaney ,  David F. Lahrman

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。

公开(公告)号：US6144012A

公开(公告)日：2000-11-07

申请号：US964798

申请日：1997-11-05

申请人： Jeff L. Dulaney ,  Allan H. Clauer ,  Steven M. Toller

发明人： Jeff L. Dulaney ,  Allan H. Clauer ,  Steven M. Toller

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。

公开(公告)号：US07470335B2

公开(公告)日：2008-12-30

申请号：US11023228

申请日：2004-12-27

申请人： Steven M. Toller ,  Allan H. Clauer ,  Jeff L. Dulaney

发明人： Steven M. Toller ,  Allan H. Clauer ,  Jeff L. Dulaney

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。

公开(公告)号：US07321105B2

公开(公告)日：2008-01-22

申请号：US10784725

申请日：2004-02-20

申请人： Allan H. Clauer ,  Jeff L. Dulaney ,  David F. Lahrmann ,  David Sokol

发明人： Allan H. Clauer ,  Jeff L. Dulaney ,  David F. Lahrmann ,  David Sokol

IPC分类号： B23K26/00

CPC分类号： B23K26/067 ,  B23K26/0604 ,  B23K26/0608 ,  B23K26/0624 ,  B23K26/064 ,  B23K26/0643 ,  B23K26/0648 ,  B23K26/0652 ,  B23K26/0884 ,  B23K26/356 ,  C21D10/005

摘要： A laser peening apparatus is available for laser peening a hidden surface of a workpiece, the hidden surface not being line-of-sight accessible to laser energy for treatment thereof. The apparatus includes a pulsed laser system and a laser directing unit. The pulsed laser system is configured for generating the laser energy used for laser peening. The laser directing unit operatively receives and channels the laser energy generated by the pulsed laser system. The laser directing unit includes a laser transmission end and is capable of variably and selectively positioning that laser transmission end. The laser directing unit is thereby configured for variably and selectively directing laser energy upon the hidden surface via the laser transmission end.

摘要翻译： 激光喷丸装置可用于对工件的隐藏表面进行激光喷丸处理，隐藏的表面不能被可见的激光能量用于其处理。 该装置包括脉冲激光系统和激光定向单元。 脉冲激光系统被配置为产生用于激光喷丸的激光能量。 激光引导单元可操作地接收和通道由脉冲激光系统产生的激光能量。 激光引导单元包括激光传输端，并能够可变地和选择性地定位该激光传输端。 因此，激光引导单元被配置为经由激光传输端将激光能量可变地和选择性地引导到隐藏的表面上。

公开(公告)号：US06583384B2

公开(公告)日：2003-06-24

申请号：US09911070

申请日：2001-07-23

申请人： Richard D. Tenaglia ,  Jeff L. Dulaney ,  Allan H. Clauer

发明人： Richard D. Tenaglia ,  Jeff L. Dulaney ,  Allan H. Clauer

IPC分类号： B23K2600

CPC分类号： C21D10/005 ,  B23K26/009 ,  B23K26/18 ,  B23K26/356 ,  B23K2103/42 ,  B23K2103/50

摘要： The invention, in another form thereof, comprises a method of laser shock peening the surface of a solid material with or without the use of a transparent overlay material. An energy absorbing coating is applied to a portion of the surface of a solid material. An ultraviolet-curable resin coating is applied to the energy absorbing coating and the curable resin is exposed to an ultraviolet light and forms a pellicle over the energy absorbing coating. A pulse of coherent energy is directed to the energy absorbing coating of the solid material to create a shock wave.

摘要翻译： 本发明的另一种形式包括使用或不使用透明覆盖材料的激光冲击硬化固体材料的表面的方法。 将能量吸收涂层施加到固体材料表面的一部分上。 将紫外线固化树脂涂层施加到能量吸收涂层上，并将可固化树脂暴露于紫外线，并在能量吸收涂层上形成防护薄膜。 相干能量的脉冲被引导到固体材料的能量吸收涂层以产生冲击波。