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weld repair considerations

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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
... preparation, weld repair process selection, joint selection, filler metal selection, weld repair considerations, deposition techniques, postweld heat treatment, and verification of weld repair quality. castings ferrous materials filler metal selection nonferrous materials postweld heat treatment...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001444
EISBN: 978-1-62708-173-3
... beam spot and the joint to be welded. The article describes various scanning techniques for welding dissimilar metals and provides information on the application of electron-beam wire-feed process for repairs. It concludes with a discussion on EBW of heat-resistant alloys, refractory metals, aluminum...
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: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001476
EISBN: 978-1-62708-173-3
... has a number of conflicting advantages and limitations in specific situations. Productivity is usually not an important consideration on most repair jobs. Each process can be ranked in terms of its deposition rate in kilograms (pounds) of weld metal deposited per hour. However, there are other...
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
... special knowledge and treatments developed specifically for each material. This article emphasizes the special metallurgical welding considerations for welding solid-solution and precipitation hardening nickel alloys, cobalt alloys, and superalloys. cobalt alloys hardening nickel alloys...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005727
EISBN: 978-1-62708-171-9
... necessary for appropriate comparisons between materials. These considerations should not be considered alone but in conjunction with the TS process, because this also influences the coating quality. Some of the quality-control tests that should be considered are powder manufacture, particle size, powder...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003046
EISBN: 978-1-62708-200-6
.... Allen R.C. , Bird J. , and Clarke J.D. , Mater. Sci. Technol. , Vol 4 , Oct 1988 7. Lees W.A. , Mater. Sci. Technol. , Vol 4 , Dec 1988 8. Cheng H.N. , Adhes. Age , Dec 1988 9. Taylor N.S. , Welds in Thermoplastic Composite Materials...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
... weld is defective and requires corrective measures or rejection. Thus, repairs may be made unnecessarily and solely by implication, without a critical engineering assessment. Consequently, the engineering community now tends to use the word “discontinuity” or “flaw” instead of “defect.” The...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001442
EISBN: 978-1-62708-173-3
... layers of weld metal to the face of the joint or surface to be welded. It differs from buildup in that the primary purpose of buttering is to satisfy some metallurgical consideration. It is used primarily for the joining of dissimilar metal base metals, as is described in the final section of this...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005561
EISBN: 978-1-62708-174-0
... Abstract This article provides an overview of integrated weld modeling and discusses the fundamentals of the underlying physics and methodologies involved in process modeling. It presents approaches for microstructure modeling that help to predict phase fractions as well as grain size in the...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005524
EISBN: 978-1-62708-197-9
... Crystals , Sci. Technol. Weld. Join. , Vol 9 , 2004 , p 1 – 12 166. Vitek J.M. , The Effect of Welding Conditions on Strain Grain Formation in Single Crystal Welds—Theoretical Analysis , Acta Mater. , Vol 53 , 2005 , p 53 – 67 167. Mokadem S. , Laser Repair of Superalloy...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005609
EISBN: 978-1-62708-174-0
... solidification solid-liquid interface growth rate solute redistribution supercooling temperature gradient welding MICROSTRUCTURAL EVOLUTION during solidification of the fusion zone represents one of the most important considerations for controlling the properties of welds. A wide range of...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001487
EISBN: 978-1-62708-173-3
... Abstract Safety is an important consideration in all welding, cutting, and related work. This article discusses the basic elements of safety general to all welding, cutting, and related processes. It includes safety procedures common to a variety of applications. The most important component of...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005635
EISBN: 978-1-62708-174-0
... Abstract This article presents an overview of the rules, regulations, and techniques implemented to minimize the safety hazards associated with welding, cutting, and allied processes. Safety management, protection of the work area, process-specific safety considerations, and robotic and...
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
... welding gas metal arc welding gas tungsten arc welding gray iron groove-face grooving joint design malleable iron oxyfuel welding peening plasma spraying repair welding shielded metal arc welding submerged arc welding thermal spraying thermite welding welding CAST IRON is considerably...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001465
EISBN: 978-1-62708-173-3
... consideration that makes various welding methods viable for space applications. Typical space welding applications generally fall into three categories: On-orbit construction of large structures Repair welding on-orbit and for exploration flights beyond the vicinity of the earth Welding and repair of...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006391
EISBN: 978-1-62708-192-4
... shielding gas is required, and additions of helium can be used to improve fluidity and penetration. The hardfacing material is in the form of a rod and is introduced into the weld pool. The process is most suitable for repairing small amounts of hardfacing, or application into difficult to access areas...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003205
EISBN: 978-1-62708-199-3
... Abstract This article discusses different types of joining processes, including welding, brazing, soldering, mechanical fastening, and adhesive bonding. It examines two broad classes of welding: fusion welding and solid-state welding. The article discusses the process selection considerations...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001413
EISBN: 978-1-62708-173-3
... article presents compositions and typical microstructures of corrosion-resistant stainless steel casting alloys in tabular form. It presents special considerations for the welding of martensitic stainless steel castings. The article reviews the two most serious problems encountered in the welding of...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003489
EISBN: 978-1-62708-195-5
... to enhance the accuracy of bead placement and size. The use of robots to apply paste adhesive is analogous to their use to locate spot welds. In the automotive industry, several vans with plastic skins bonded to a steel structural frame are assembled using paste adhesives applied by robots. Film...