Laser beam welding method for carbon steels
    1.
    发明授权
    Laser beam welding method for carbon steels 失效
    碳钢激光焊接方法

    公开(公告)号:US6066828A

    公开(公告)日:2000-05-23

    申请号:US62139

    申请日:1998-04-17

    IPC分类号: B23K26/24 B23K26/26 B23K26/32

    摘要: The invention relates to a laser beam welding method for carbon steels applied to laser beam welding of carbon steels of different carbon content, and in order to improve uniformity of fused metal in the welded region, a laser beam is applied obliquely to the joint region between the carbon steels from the side of the carbon steel having the lower carbon content. When manufacturing a vehicle wheel 1 by this method, the laser beam is applied obliquely from the side of the hub 3 of rolled steel plate which contains about 0.1% of carbon to the joint region with the boss 2 of carbon steel for machine structural use which contains about 2% of carbon so as to fuse the end of the hub 3 and cause it to penetrate into the welded region.

    摘要翻译: 本发明涉及应用于不同碳含量的碳钢的激光束焊接的碳钢的激光束焊接方法,为了提高焊接区域中熔融金属的均匀性,将激光束倾斜地施加到焊接区域之间的接合区域 来自具有较低碳含量的碳钢侧的碳钢。 当通过该方法制造车轮1时,将激光束从包含约0.1%的碳的轧制钢板的轮毂3的侧面倾斜地施加到与用于机械结构用途的碳钢的凸台2的接合区域 含有约2%的碳,以便熔合轮毂3的端部并使其进入焊接区域。

    Method of dissimilar metal attachment to ship hulls
    2.
    发明授权
    Method of dissimilar metal attachment to ship hulls 失效
    不同金属附着在船体上的方法

    公开(公告)号:US5782194A

    公开(公告)日:1998-07-21

    申请号:US745983

    申请日:1996-11-08

    申请人: David G. Tipton

    发明人: David G. Tipton

    摘要: A bimetallic hull mount assembly (10) for reducing galvanic corrosion of a hull (12), including a foundation (14), made of a first material, welded to the hull (12), also made of the first material; and an insert (16), made of a second material, different from the first material, welded to the foundation (14); wherein a weld area (15) between the insert (16) and the foundation (14) is covered with paint (19), and where the insert (16) is welded to the foundation (14) in a controlled welding manufacturing environment, utilizing high performance dissimilar welding techniques to produce a dissimilar metal weld and the foundation (14) is welded to the hull (12) with a standard shipyard weld.

    摘要翻译: 一种用于减少船体(12)的电偶腐蚀的双金属船体安装组件(10),其包括由第一材料制成的基座(14),焊接到船体(12),其也由第一材料制成; 以及焊接到所述基座(14)上的与所述第一材料不同的第二材料制成的插入件(16)。 其特征在于,所述插入件(16)和所述基座(14)之间的焊接区域(15)被涂料(19)覆盖,并且在受控焊接制造环境中将所述插入件(16)焊接到所述基座(14) 产生不同金属焊接的高性能不同的焊接技术,并且基础(14)用标准船厂焊接焊接到船体(12)。

    Brazing technology
    3.
    发明授权
    Brazing technology 失效
    钎焊技术

    公开(公告)号:US5664723A

    公开(公告)日:1997-09-09

    申请号:US549464

    申请日:1995-10-27

    申请人: Suri A. Sastri

    发明人: Suri A. Sastri

    IPC分类号: B23K1/19 B23K31/00

    摘要: A method of braze joining a copper member to a substrate of metal or ceramic material is disclosed according to which a diffusion barrier coating as defined is applied to the substrate alone, and a selected brazing alloy is interposed between copper member and substrate, followed by a two-step heating treatment. In the first step the assembly is heated at a temperature and for a time sufficient to melt the brazing alloy and cause a bond to form between the brazing alloy and the copper member and between the brazing alloy and the substrate. In the second step the temperature is raised and maintained in the range from about 600.degree. C. to about 950.degree. C. in a "solutionizing heat treatment" (as defined) for a time sufficient to allow the brazing alloy to form an "extended solid solution" (as defined) with copper in a controlled fashion to convert the bond to a strong joint which is resistant to thermal stress.

    摘要翻译: 公开了将铜构件焊接到金属或陶瓷材料的基板上的方法,根据该方法将限定的扩散阻挡涂层单独施加到基板上,并且将选定的钎焊合金插入在铜构件和基板之间, 两步加热处理。 在第一步骤中,将组件在足以熔化钎焊合金的温度下加热并在钎焊合金和铜构件之间以及钎焊合金和衬底之间形成结合。 在第二步中,在“溶解热处理”(定义)中将温度升高并维持在约600℃至约950℃的范围内,时间足以允许钎焊合金形成“延伸的 固溶体“(定义)与铜以受控的方式将结合转变成耐热应力的强关节。

    Method of manufacturing spotwise partial clad material
    4.
    发明授权
    Method of manufacturing spotwise partial clad material 失效
    制造SPOTWISE部分覆盖材料的方法

    公开(公告)号:US5234150A

    公开(公告)日:1993-08-10

    申请号:US582844

    申请日:1990-10-11

    摘要: The present invention relates to a method of efficiently manufacturing a spotwise partial clad material, which is used for a lead frame of a semiconductor integrated circuit such as a flat package. According to the method, a substrate material to which metal foil pieces having a determined size have been tacked at a highly accurate pitch is prepared by continuously pre-tacking a metal foil as fed at a constant feeding rate to a substrate material as fed also at a constant feeding rate at determined intervals by spot-welding by any of resistance welding, ultrasonic welding or laser welding or thereafter cutting and removing the unnecessary parts by laser-cutting or by the use of rotary cutters, or alternatively, it is prepared by cutting a metal foil as fed at a constant feeding rate with a punch with simultaneously tacking the resulting metal foil piece to a substrate material as fed also at a constant feeding rate by spot-welding of using the punch as an electroconductive material part. The obtained metal-tacked substrate material is pressure-welded and rolled, whereupon the intended and determined thickness of the rolled material is ensured by cascade control for load-constant control and elongation percentage-constant control and the intended load in rolling is controlled by detecting the intended position from the pitch of the rolled material and the intended standard point of the non-rolled material.

    摘要翻译: PCT No.PCT / JP90 / 01195 Sec。 371 1990年10月11日第 102(e)1990年10月11日PCT PCT 1990年9月19日PCT公布。 公开号WO91 / 04123 日本1991年04月4日。本发明涉及一种有效制造点状局部包覆材料的方法,该方法用于诸如扁平封装的半导体集成电路的引线框架。 根据该方法,以高精度的间距将具有确定的尺寸的金属箔片固定到其上的基板材料通过将以恒定的进给速率馈送的金属箔连续地预定位到基板材料上来制备, 通过电阻焊接,超声波焊接或激光焊接中的任何一种通过点焊进行确定的间隔的恒定进给速率,或者之后通过激光切割或通过使用旋转切割机切割和去除不需要的部分,或者通过切割 金属箔以恒定的进给速度用冲头进给,同时将所得的金属箔片固定在基板材料上,该基板材料也以恒定的进给速率通过使用冲头作为导电材料部件进行点焊来进给。 将得到的金属粘合基材进行压焊和轧制,通过级联控制负载常数控制和伸长百分比恒定控制来确保轧制材料的预定和确定的厚度,并且通过检测来控制轧制中的预期负荷 来自轧制材料的间距的预期位置和未轧制材料的目标标准点。

    Method for padding a copper type alloy material upon a base of aluminum
type metal using laser beam oscillating transversely to its tracking
direction
    5.
    发明授权
    Method for padding a copper type alloy material upon a base of aluminum type metal using laser beam oscillating transversely to its tracking direction 失效
    使用横向于其跟踪方向振荡的激光束将铜合金材料填充到铝型金属基底上的方法

    公开(公告)号:US4725708A

    公开(公告)日:1988-02-16

    申请号:US885678

    申请日:1986-07-15

    摘要: In this method for padding, a layer of a copper type alloy material in powdered form is laid upon a portion of a base of aluminum type metal which is to be padded. Then a laser beam, concentrated to a spot from about 0.5 mm to about 2.0 mm in diameter with an output density of from about 80 watt/mm.sup.2 to about 20,000 watt/mm.sup.2, is irradiated upon this layer of powdered copper type alloy material upon the base of aluminum type metal. The laser beam and the base of aluminum type metal are relatively moved in a relative longitudinal direction at a longitudinal speed of from about 100 mm per minute to about 3000 mm per minute; and they are also reciprocatingly moved in a relative direction substantially transverse to the longitudinal direction at an transverse oscillating frequency of above about 80 Hz. Thereby, good padding efficiency is obtained. The copper type alloy material may initially be applied as a powder including a binder and then be dried, before the laser irradiation; or it may be applied automatically substantially during the laser irradiation.

    摘要翻译: 在这种填充方法中,将要填充的铝型金属的基底的一部分放置成粉末状的铜合金材料层。 然后将激光束集中到直径为约0.5mm至约2.0mm的点,输出密度为约80瓦特/平方米至约20,000瓦特/平方毫米,照射在该层粉末状铜合金材料上 铝型金属基座。 激光束和铝型金属基体在相对纵向方向上以约100mm /分钟的纵向速度相对移动至约3000mm /分钟; 并且它们也在基本上横向于纵向的相对方向上以高于约80Hz的横向振荡频率往复运动。 从而获得良好的填充效率。 铜类合金材料可以在激光照射之前最初作为包括粘合剂的粉末施加,然后被干燥; 或者可以在激光照射期间基本上自动施加。

    Laser welding aluminum to copper
    7.
    发明授权
    Laser welding aluminum to copper 失效
    激光焊接铝到铜

    公开(公告)号:US4224499A

    公开(公告)日:1980-09-23

    申请号:US953019

    申请日:1978-10-20

    申请人: Marshall G. Jones

    发明人: Marshall G. Jones

    摘要: Copper and aluminum conductors are butt welded or corner welded by a two-part process involving heating and melting the Cu-Al interface with energy from a pulse laser and simultaneously generating a contact pressure. The laser wavelength is 1.06 micrometers or less and a single 8 millisecond pulse is used. Brittle intermetallics are found in the flash but the narrow fusion zone in the weld is substantially free of intermetallics. High conductivity aluminum is successfully welded to electrolytic tough pitch (ETP) copper wire.

    摘要翻译: 铜和铝导体通过两部分工艺进行对焊或角焊,包括用脉冲激光器的能量加热和熔化Cu-Al界面并同时产生接触压力。 激光波长为1.06微米或更小,使用单个8毫秒的脉冲。 在闪光中发现脆性金属间化合物,但焊缝中的窄熔融区域基本上不含金属间化合物。 高导电性铝成功焊接到电解坚硬节距(ETP)铜线上。

    Method for making non-tangling beaded filament coils
    8.
    发明授权
    Method for making non-tangling beaded filament coils 失效
    制造非锥形光纤线圈的方法

    公开(公告)号:US3792224A

    公开(公告)日:1974-02-12

    申请号:US3792224D

    申请日:1971-07-19

    发明人: PETRO J RIVELY C

    摘要: The tangling of hellically-coiled wire articles during bulk handling and shipment is prevented by providing integral modules or beads of fused metal at each end of the articles which enclose the severed ends of the wire. In the case of tungsten wire coils that are designed for use in electric lamps and similar devices and are wound on iron mandrels, the fused beads are composed of tungsten-iron alloy and formed in situ during coil manufacture by melting the ends of the mandrel with a concentrated heat source such as a focused laser beam. The tungsten-iron alloy beads remain on the end turns of the coil during the subsequent mandrel-dissolving operation, are ductile and are formed without embrittling the tungsten wire. Various methods and an apparatus for manufacturing such beadedend coils on a mass production basis using a CO2 laser are disclosed. Since the beads can readily be made larger than the diameter of the coil and be spaced a predetermined distance apart, they provide built-in guides or ''''reference points'''' for mounting incandescent lamp type filament coils on their lead wires and thus accurately controlling the lighted-length of the mounted coils.

    摘要翻译: 在批量处理和装运期间,通过在包裹线的切断端的物品的每一端提供整体模块或金属熔合金属珠来防止整体处理和运输中的线圈缠绕线制品。 在设计用于电灯和类似装置并缠绕在铁芯上的钨丝线圈的情况下,熔融珠由钨 - 铁合金组成,并且在线圈制造期间通过将芯棒的端部熔化 聚焦热源如聚焦激光束。 在随后的芯棒溶解操作期间,钨 - 铁合金珠保持在线圈的端匝上,是延展性的并且不会使钨丝脆化而形成。

    Laser cladding a turbine engine vane platform
    9.
    发明授权
    Laser cladding a turbine engine vane platform 失效
    激光熔覆涡轮发动机叶片平台

    公开(公告)号:US6154959A

    公开(公告)日:2000-12-05

    申请号:US375124

    申请日:1999-08-16

    摘要: A method of refurbishing turbine engine vanes in which an alloy blend of a cobalt based superalloy and a nickel based superalloy corresponding to the base material of the turbine vane cobalt platform and the base nickel material of the replacement turbine vane airfoils is laser clad to the gaspath surfaces of the turbine vane platform. Laser cladding with the alloy blend allows the use of replacement airfoils with improved castings in the form of improved nickel based superalloys, and allows a coating to be uniformly applied to the gaspath surfaces of the vane. According to the method, the platforms are separated from the airfoils and laser clad with a blend of cobalt based superalloy and nickel based superalloy. The vane is then reassembled using the laser clad platform and at least one replacement airfoil.

    摘要翻译: 一种翻新涡轮发动机叶片的方法,其中对应于涡轮机叶片钴平台的基础材料的钴基超级合金和镍基超级合金的合金共混物和替换的涡轮叶片翼型件的基底镍材料被激光包覆到气路 涡轮叶片平台的表面。 使用合金混合物的激光熔覆允许以改进的镍基超级合金的形式使用具有改进的铸件的替换翼型,并且允许将涂层均匀地施加到叶片的气路面。 根据该方法,将平台与翼型件分离,并用钴基超级合金和镍基超级合金的共混物激光包覆。 然后使用激光包层平台和至少一个替换翼型将叶片重新组装。

    Method and apparatus for Nd: YAG hardsurfacing
    10.
    发明授权
    Method and apparatus for Nd: YAG hardsurfacing 失效
    用于Nd:YAG硬表面的方法和装置

    公开(公告)号:US5889254A

    公开(公告)日:1999-03-30

    申请号:US899696

    申请日:1997-07-25

    摘要: A method and apparatus are provided for hardsurface cladding a workpiece such as a tip shroud notch face of a turbine bucket configured for contact engagement with an adjacent tip shroud notch face. A continuous wave laser beam is generated in a Nd:YAG laser and directed on the notch face at a spot to provide heat thereat. A hardsurface cladding wire is dispensed at the spot under a shielding gas for being melted by the laser beam to form a molten cladding layer on the notch face. The laser beam and wire are traversed over the notch face to form a cladding layer over the entire notch face, which is cooled and solidified in a hardsurface cladding layer integrally bonded to the notch face.

    摘要翻译: 提供了一种用于硬表面包覆工件的方法和装置,所述工件例如被配置为与相邻尖端护罩切口面接触接合的涡轮机叶片的尖端护罩切口面。 在Nd:YAG激光器中产生连续波激光束,并在一个点处指向切口面以在其上提供热量。 硬表面包层线在保护气体下方的点处被分配,以被激光束熔化,从而在切口面上形成熔融包覆层。 激光束和导线横过切口面,在整个切口面上形成覆层,在与凹口面整体接合的硬表面覆层中冷却固化。