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weld

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820001
EISBN: 978-1-62708-339-3
... Abstract Corrosion failures of welds can occur even when the proper base metal and filler metal have been selected, industry codes and standards have been followed, and welds have been deposited that possess full weld penetration and have proper shape and contour. This chapter describes some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820177
EISBN: 978-1-62708-339-3
... Abstract This chapter reviews weld corrosion in three key application areas: petroleum refining and petrochemical operations, boiling water reactor piping systems, and components used in pulp and paper plants. The discussion of each area addresses general design and service characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... coupons can be exposed simultaneously, they can be tested in duplicate or triplicate (to measure scatter), and they can be fabricated to simulate such conditions as welding, residual stresses, or crevices. These variations can provide the engineer with increased confidence in selecting materials for new...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.9781627083591
EISBN: 978-1-62708-359-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930003
EISBN: 978-1-62708-359-1
... Abstract It is well established that solidification behavior in the fusion zone controls the size and shape of grains, the extent of segregation, and the distribution of inclusions and defects such as porosity and hot cracks. Since the properties and integrity of the weld metal depend...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
... Abstract Discontinuities are interruptions in the desirable physical structure of a weld. This article describes the types of weld discontinuities that are characteristic of the principal welding processes. Discontinuities covered are metallurgical discontinuities, discontinuities associated...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200158
EISBN: 978-1-62708-354-6
... Abstract This chapter presents the criteria, methods, and benefits of cast-weld construction. cast-weld parts steel castings welded parts welding processes Criteria and Methods for Cast-Weld Construction Four considerations make this method of construction attractive...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... Abstract This chapter provides a basis for understanding the influence of stainless steel alloy composition and metallurgy on the welding process, which involves complex dynamics associated with melting, refining, and thermal processing. It begins with an overview of the welding characteristics...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560309
EISBN: 978-1-62708-291-4
... Abstract This chapter examines the effects of welding on the structure of metal, particularly the changes induced in the isothermal regions adjacent to the weld. It presents more than 150 images identifying structures and features associated with fusion and solid-state welding processes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290061
EISBN: 978-1-62708-306-5
... Abstract Resistance welding is a group of processes in which the heat for welding is generated by the resistance to the flow of an electrical current through the parts being joined. This chapter discusses the processes, advantages, and limitations of specific resistance welding processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930039
EISBN: 978-1-62708-359-1
... Abstract This article reviews nondestructive and destructive test methods used to characterize welds. The first process of characterization discussed involves information that may be obtained by direct visual inspection and measurement of the weld. An overview of nondestructive evaluation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930179
EISBN: 978-1-62708-359-1
... Abstract This article describes the repair of weld defects and failed structures. It provides information on three factors that must first be considered before attempting a repair, namely material weldability, nature of the failure that prompted the repair, and involvement of any code...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200369
EISBN: 978-1-62708-354-6
... Abstract This chapter covers the basics of weldability of cast steels such as carbon and low alloy steels, corrosion-resistant high alloy steels, nickel-base alloys, heat-resistant high alloy steels, and wear-resistant high austenitic manganese steels. It provides an overview of weld overlay...
Image
Published: 01 January 2017
Fig. 15.9 Schematic of weld overlay for repair of a pipe girth weld. IGSCC, intergranular stress-corrosion cracking More
Image
Published: 01 November 2011
Fig. 5.20 Weld discontinuities affect weld shape and contour: (a) undercut and overlapping a fillet weld, (b) undercut and overlapping in a groove weld, and (c) and (d) underfill in groove welds. Source: Ref 5.9 More
Image
Published: 01 March 2001
Fig. 5 Weld metal forming a corrosion cell on steel. Weld metal may be anodic to steel, creating a corrosion cell when immersed. More
Image
Published: 01 December 2006
Fig. 17 Tube-to-header weld, axial section, Vilella’s etch, 12.8×. (a) Header-weld HAZ; (b) Tube-weld HAZ; (c) Etched 100×; (d) As polished 100×. Source: Ref 32 More
Image
Published: 01 December 2006
Fig. 15 Microstructure of the second weld bead of a submerged-arc weld joint in 200 mm (¾ in.) duplex stainless steel plate. The extremely fine austenite precipitate was formed as a result of reheating from the subsequent weld pass, which used an arc energy of 6 kJ/mm (150 kJ/in.). 1000 More
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Published: 01 December 2006
Fig. 2 Dimensions (given in inches) of a weld coupon. Standard weld is autogenous weld across end. Sanded after welding to a 120 grit finish (unless otherwise specified). Nominal thickness: ⅛ in. Source: Metal Samples Company More
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Published: 01 August 1999
Fig. 11.14 Weld interface of an explosive weld of 0.15% C steel plate and commercially pure aluminum plate. (a) 1% nital. 10× (b) and (c) 1% nital. 100×. More