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Weld repairs

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001476
EISBN: 978-1-62708-173-3
... Abstract Repair and maintenance of parts and components is carried out as a logical procedure that ensures the production of a usable and safe component or it can be approached haphazardly. This article describes the requirements and repair techniques of arc and oxyfuel welding processes...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005345
EISBN: 978-1-62708-187-0
... Abstract Repair welding is a necessary operation for most fabricators and can cost more than the price of the original component if performed improperly. This article provides a discussion on the repair welding of castings for ferrous and nonferrous materials. The discussion focuses...
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Published: 31 October 2011
Fig. 23 Sequence of operations required for electron beam welding repair of an air seal. See text for details. More
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Published: 30 January 2024
Fig. 24 A weld-repaired steel shaft failed by multiple-origin fatigue. Fracture initiated at small weld cracks that were the result of insufficient preheat during surface build-up weld repair. The fatigue origins were widely separated in the axial direction, so very large ratchet marks More
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006301
EISBN: 978-1-62708-179-5
... Abstract This article describes some examples of the different welding processes for gray, ductile, and malleable irons. These processes include fusion welding, repair welding, shielded metal arc welding, gas metal arc welding, flux cored arc welding, gas tungsten arc welding, submerged arc...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005614
EISBN: 978-1-62708-174-0
... beam-welded joints is also included. The article concludes with discussions on EBW defects, the use of filler metal for weld repair, and the control plans, codes, and specifications of the EBW process. electron beam welding electron beam welding defects filler metal heat-affected zone...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001082
EISBN: 978-1-62708-162-7
...-6AI-4V alloy. It also talks about the chemical milling and weld repair, and describes the product applications of titanium alloy castings. Tensile properties, standard industry specifications, and chemical compositions of various titanium alloy castings are tabulated. alloy types casting design...
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Published: 01 January 2006
Fig. 10 Weld decay of an ACI CN-7M stainless steel pump impeller that was field weld repaired with no postweld heat treatment. The pump service was P 2 O 5 solution at 80 °C (175 °F). (a) Overall view of impeller. (b) Closeup view of the weld repair and the associated weld decay, which More
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Published: 30 August 2021
) Optical micrograph of intergranular creep voiding/cracking in the base material, parallel to and below the fracture at the trailing edge. The weld repair material is on the right side of the image. More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
.... Steam turbine blades damaged by liquid-droplet impingement are normally not repaired; they are replaced. Conventional Weld Repairs Cavitation damage in hydroturbines and pumps is usually repaired by air-arc gouging to sound metal, cleaning the gouged area with a wire wheel or wire brush...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005338
EISBN: 978-1-62708-187-0
... defects centrifugal casting chemical properties hot isostatic pressing induction skull melting investment casting machining mechanical properties postweld heat treatment static casting vacuum arc skull melting vacuum induction melting foundry melting rammed graphite casting weld repair...
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Published: 31 August 2017
Fig. 20 Repair of a large crack in a gray iron punch-press frame by gas welding under conditions given in the table ( Example 11 ). Dimensions given in inches. Source: Ref 3 More
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Published: 01 January 1993
Fig. 6 Repair welding of AZ91C alloy aircraft wheel rim casting Manual GTAW Weld type Surfacing, for repair Welding position Flat Preheat None Shielding gas Helium, 0.6 m 3 /h (20 ft 3 /h) Electrode 2.4 mm ( 3 32 in.) diam EWP Filler metal 3.2 mm More
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Published: 01 January 1993
Fig. 7 Repair welding of a cast AZ92A alloy compressor housing Manual GTAW Joint type Butt Weld type 60° double-V-groove repair Shielding gas Argon, 0.6 m 3 /h (20 ft 3 /h) (a) Electrode 1.6 mm ( 1 16 in.) diam EWTh-2 Filler metal 1.6 mm ( 1 16 More
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Published: 01 January 1993
Fig. 8 Manual GTAW repair of sand castings Welding condition Example 8 Example 9 Example 10 Conditions for manual GTAW (a) Fixtures None Plates None Welding position Flat Flat Flat Shielding gas Argon; 0.57–0.68 m 3 /h (20–24 ft 3 /h) Argon; 0.68–0.79 m More
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Published: 01 January 1993
Fig. 16 Use of carbon backing to provide support when repair welding surfaces and contours More
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Published: 30 August 2021
Fig. 39 Macroetched cross section through a failed shaft showing a repair weld overlay around the entire circumference as well as two keyways that had been filled in by welding More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001440
EISBN: 978-1-62708-173-3
... the role of filler metals and shielding gases in welding titanium and titanium alloys. It describes the equipment used for gas-tungsten arc welding and concludes with information on repair welds. alpha titanium alloys aluminum austenitic stainless steel electron-beam welding friction welding...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001463
EISBN: 978-1-62708-173-3
... arc welding (FCAW) has been used, as well. Wet underwater welding has been demonstrated to be an acceptable repair technique at depths of 100 m (330 ft). However, wet welds have been made on carbon steel structures at depths as low as 200 m (660 ft). Welding that is performed in a dry, but high...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001425
EISBN: 978-1-62708-173-3
... for alteration or repair. In many cases it becomes necessary to splice new materials into old. Most of the above materials require special conditioning before repair welding. Solid-Solution Nickel Alloys These materials have good weldability and are often used in the as-welded condition. The alloys...