JPS6431599A - Backing material for one-side welding - Google Patents
Backing material for one-side weldingInfo
- Publication number
- JPS6431599A JPS6431599A JP18511987A JP18511987A JPS6431599A JP S6431599 A JPS6431599 A JP S6431599A JP 18511987 A JP18511987 A JP 18511987A JP 18511987 A JP18511987 A JP 18511987A JP S6431599 A JPS6431599 A JP S6431599A
- Authority
- JP
- Japan
- Prior art keywords
- weld
- reinforcement
- height
- beads
- depth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
PURPOSE:To lessen an increase in the propulsion resistance of a ship by the height of the reinforcement of weld of penetration beads by thermally spraying ceramics having a specific m.p. to the surface of a metallic base plate provided with a required width and depth to provide a thin film thereon, thereby controlling the height of the reinforcement of weld of the beads to a specific value. CONSTITUTION:The ceramics (ZrO2+CaO, etc.) having the m.p. (at least >=1700 deg.C) higher than the temp. of a weld metal is thermally sprayed to the front face side of a thin metallic film 2 (steel sheet, aluminum alloy sheet, etc.) having the groove of the width and depth required for formation of the penetration beads to form the thin film layer 3 sized about 0.5-1.5mm, by which the backing strip 1 is constituted. The shape of the grooves after the thermal spraying is adjusted to about 5-15mm groove width and about 2-3mm groove depth. Materials 4 to be welded are then mounted on the backing strip 1 and are subjected to one-side welding. The height of the reinforcement of weld of the penetration beads is thereby confined to at least 2-3mm, by which the increase in the propulsion resistance by the influence of the height of the reinforcement of weld on the outside surface of the hull of the ship is decreased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18511987A JPS6431599A (en) | 1987-07-24 | 1987-07-24 | Backing material for one-side welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18511987A JPS6431599A (en) | 1987-07-24 | 1987-07-24 | Backing material for one-side welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431599A true JPS6431599A (en) | 1989-02-01 |
Family
ID=16165198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18511987A Pending JPS6431599A (en) | 1987-07-24 | 1987-07-24 | Backing material for one-side welding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431599A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5395142A (en) * | 1992-05-07 | 1995-03-07 | Hmc H. Meyer & Co. Spezialstahl Gmbh | Welding joint and backing sleeve therefore |
| WO2018130695A1 (en) * | 2017-01-16 | 2018-07-19 | Saipem S.P.A. | Welding support block made of metal with a ceramic material layer thereon; internal lin-up clamp for holding two pipes in alignement comprising such welding support block; method of welding together two pipes |
-
1987
- 1987-07-24 JP JP18511987A patent/JPS6431599A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5395142A (en) * | 1992-05-07 | 1995-03-07 | Hmc H. Meyer & Co. Spezialstahl Gmbh | Welding joint and backing sleeve therefore |
| WO2018130695A1 (en) * | 2017-01-16 | 2018-07-19 | Saipem S.P.A. | Welding support block made of metal with a ceramic material layer thereon; internal lin-up clamp for holding two pipes in alignement comprising such welding support block; method of welding together two pipes |
| US11471968B2 (en) | 2017-01-16 | 2022-10-18 | Saipem S.P.A. | Welding support block |
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