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weld metal porosity

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Published: 01 January 2002
Fig. 26 Pulsed GMAW spot weld showing porosity in dissimilar metal weldment; a copper-nickel alloy to a carbon-manganese steel using an ERNiCu-7 (Monel 60) electrode. Etchant, 50% nitric-50% acetic acid. 4× More
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Published: 01 January 1993
Fig. 1 Types of gas porosity commonly found in weld metal. (a) Uniformly scattered porosity. (b) Cluster porosity. (c) Linear porosity. (d) Elongated porosity More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001432
EISBN: 978-1-62708-173-3
... Abstract This article discusses the susceptibility of carbon steels to hydrogen-induced cracking, solidification cracking, lamellar tearing, weld metal porosity, and heat-affected zone (HAZ) mechanical property variations. The composition and mechanical properties of selected carbon steels used...
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Published: 30 August 2021
Fig. 35 Radiograph showing cluster porosity in gas metal arc welding process due to disruption of shielding gas. Incomplete penetration (IP) of the weld root is also shown. More
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
...-type reactions during arc welding have been used to improve the underwater temper bead practice in order to reduce the hydrogen cracking susceptibility of the HAZ. Weld-Metal Porosity Weld-metal porosity is a major concern in underwater welds. The amount of porosity determines whether a wet weld...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001420
EISBN: 978-1-62708-173-3
... Abstract This article is a guide to the welding of commercially available aluminum-lithium alloys. It discusses the weldability issues created by weld porosity, hot cracking, and filler metal selection and presents the data revealed from weld characterization. aluminum-lithium alloys hot...
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