发明公开

  • 专利标题: VERFAHREN ZUR HERSTELLUNG EINER SCHWEISSVERBINDUNG SOWIE VERFAHREN ZUR REPARATUR EINER SCHWEISSVERBINDUNG
  • 专利标题(英): Method for producing a welded connection and method for repairing a welded connection
  • 专利标题(中): 一种用于生产焊缝和方法修复焊缝
  • 申请号: EP06753696.1
    申请日: 2006-05-18
  • 公开(公告)号: EP1827752A1
    公开(公告)日: 2007-09-05
  • 发明人: BRÜCKNER, ErhardENGELHARD, GerhardGÜGEL, Siegfried
  • 申请人: AREVA NP GmbH
  • 申请人地址: Freyeslebenstrasse 1 91058 Erlangen DE
  • 专利权人: AREVA NP GmbH
  • 当前专利权人: AREVA NP GmbH
  • 当前专利权人地址: Freyeslebenstrasse 1 91058 Erlangen DE
  • 代理机构: Mörtel & Höfner
  • 优先权: DE102005035585 20050729
  • 国际公布: WO2007014585 20070208
  • 主分类号: B23K33/00
  • IPC分类号: B23K33/00 B23K9/23
VERFAHREN ZUR HERSTELLUNG EINER SCHWEISSVERBINDUNG SOWIE VERFAHREN ZUR REPARATUR EINER SCHWEISSVERBINDUNG
摘要:
The invention relates to a method for producing a welded connection between a first and a second component (1, 2), which components (1, 2) have in each case an inner side (8, 9), an outer side (6, 7) and an end side (10, 12) which connects said inner and outer sides, wherein the first component (1) is formed from a ferritic base body (13) which supports a plating (14) at the inside and whose end side (15) is provided with a buffer layer (16) made from an Ni-based alloy, and wherein the second component (2) is formed from an austenitic material. Said method has the following steps: a) the two components (1, 2) are arranged relative to one another such that their end sides (10, 12) between them enclose a weld groove (18), b) a root (25) which is made from an austenitic material and connects the plating (14) to the end side (12) of the second component (2) is welded in the weld groove (18), c) an intermediate layer (28) made from a nickel alloy having at least 90 % nickel is welded onto the root (25), which intermediate layer (28) is connected to the end side (24) of the plating (14) and the end side (12) of the second component (2), d) a weld seam (19) is then produced in the remaining weld groove (18) using a nickel-based welding filler material.
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