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weld crack

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... due to intergranular stress corrosion cracking (IGSCC) at weld heat affected zones ( Fig. 3 ) mainly due to stagnant water legs conditions in bypass piping which used to be kept closed after pump start up for flow control on main recirculation piping. In one of the operating reactors, after 10 years...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820177
EISBN: 978-1-62708-339-3
.... , Aqueous Phase H 2 S Cracking of Hard Carbon Steel Weldments—A Case History , Proc. API , Vol 50 (III), 1970 , p 593 – 613 5. Gooch T.G. , Hardness and Stress Corrosion Cracking of Ferritic Steel , Weld. Inst. Res. Bull. , Vol 23 ( No. 8 ), 1982 , p 241 – 246 6. Kotecki D.J...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820001
EISBN: 978-1-62708-339-3
... Properties on Corrosion , Svar. Proiz. , Vol 19 ( No. 9 ), 1972 , p 34 – 36 2. Savage W.F. , New Insight into Weld Cracking and a New Way of Looking at Welds , Weld. Des. Eng. , Dec 1969 3. Buchheit R.G. Jr. , Moran J.P. , and Stoner G.E. , Localized Corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270080
EISBN: 978-1-62708-301-0
... to be a brittle fracture that initiated from a zone of poor-quality weld. It also provides photographic evidence of a weld crack in the heat-affected zone and includes a drawing of a modified weld design that passed subsequent testing. fractography metallography tie rod visual examination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... a gray ductile matrix. Fig. 10 SEM image of center of fisheye showing intergranular fracture Fig. 6 Underbead cracking at the toe of the fillet weld on the flange Fig. 7 Toe cracking on the flange side of the flange-to-pipe fillet weld, showing the weld metal, heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
... section provides information on the residual stresses and distortion that remain after welding. The focus then shifts to distortion control of weldments. Inclusions and cracking are discussed in detail. The chapter also discusses the causes for reduced fatigue strength of a component by a weld: stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... decisions. It discusses the basic concepts of fusion welding and the differences between solid-solution-hardened and precipitation-hardened wrought superalloys. It addresses joint integrity, design, weld-related cracking, and the effect of grain size, precipitates, and contaminants. It covers common fusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... welding practice on weldment corrosion. carbon steel environmentally assisted cracking heat-affected zone low-alloy steel weld corrosion weldments CARBON AND LOW-ALLOY STEELS are by far the most frequently welded metallic materials. Welded assemblies fabricated from carbon and low-alloy...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290023
EISBN: 978-1-62708-306-5
... weld metal and protects it from atmospheric contamination. Alloy ingredients in the flux may be present to enhance the mechanical properties and crack resistance of the weld deposit. A typical setup for automatic submerged arc welding is shown in Fig. 2.6 . A continuous electrode is fed into the...
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
... ordinary carbon steels in welding are: Austenitic stainless steels have lower thermal conductivity and higher thermal expansion than carbon steels or ferritic stainless steels, which can localize the heating, thus increasing the potential for residual stress and therefore hot cracking. Stainless...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
... welding applications, surface preparation consists of degreasing followed by scratch brushing. This produces a hard, brittle surface layer, which will crack when subjected to expansion. At larger surface expansions, virgin material is exposed, which extrudes through the cracks of the surface layer and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090359
EISBN: 978-1-62708-266-2
... Abstract This chapter describes how ultrasonic testing came to be a viable method for evaluating intergranular stress-corrosion cracking (SCC) in large-diameter stainless steel pipe welds in boiling water reactor service. Intergranular SCC can be difficult to detect using nondestructive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270160
EISBN: 978-1-62708-301-0
... Abstract The nose bullet of an aircraft engine developed a crack and was removed and examined to determine the cause. The bullet was made from a titanium alloy and was of welded construction. Close-up views show that the crack originated in an area of rework along the weld seam and propagated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
... predictions is the dimensional quality of the part after bending. Springback and cracking are common problems in terms of quality. All bent parts exhibit springback after unloading, and the amount of springback depends on die geometry, friction, bending angle, punch radius, and material properties. In the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... nitrogen on strength and ductility of titanium Fig. 12.2 Effects of interstitial elements carbon, oxygen, and nitrogen on Ti-3V-3Al alloy weld-metal notch toughness Hydrogen has different effects on welded joints, including low ductility, low toughness, and delayed weld cracking. Loss of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820143
EISBN: 978-1-62708-339-3
... assemblies include galvanic effects, crevices, assembly stresses in products susceptible to stress-corrosion cracking, and hydrogen pickup and subsequent cracking. The emphasis is placed on the compositions, general welding considerations, and corrosion behavior of these alloys. aluminum aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090043
EISBN: 978-1-62708-266-2
... F. et al. , Brit. Weld. J. , Vol 10 , 1963 , p 54 2.188 Carter C.S. , “ Crack Extension in Several High Strength Steels Loaded in 3.5% Sodium Chloride Solution ,” D6-19770, Boeing Co., U.S. Government Report AD685377, 1967 2.189 Vaughan D.A. and Phalen D.I...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820169
EISBN: 978-1-62708-339-3
.... , American Welding Society , 1982 , p 514 – 547 2. Rowe M. D. , Nelson T. W. , and Lippold J. C. , Hydrogen-Induced Cracking Along the Fusion Boundary of Dissimilar Metal Welds , Welding Research Supplement to the Weld. J. , Feb 1999 , p 31-s – 37-s Selected References...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270110
EISBN: 978-1-62708-301-0
... revealed cracks along the inner surface of the tubes, some of which had propagated through the thickness of the wall. Cracks emanating from weld toes were also visible. Based on their observations, investigators concluded that the tubes were subjected to excessive flexural load, causing cracks due to...