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welding parameters

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820099
EISBN: 978-1-62708-339-3
... progress has been made in defining the correct parameters and chemistry modifications for achieving sound welds. This chapter provides a basic understanding of the development, grade designations, microstructure, properties, and general welding considerations of duplex stainless steel. It also discusses...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... characteristics of these joining methods. It presents a comparison between solders and brazes. Further details on pressure welding and diffusion bonding are also provided. Key parameters of soldering are discussed, including surface energy and surface tension, wetting and contact angle, fluid flow, filler...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... conditions is to prepare sample weldments that simulate parts to be welded. Typical ranges for welding parameters are listed in Tables 12.3 and 12.4 . Typical weld parameters for gas tungsten arc welds Table 12.3 Typical weld parameters for gas tungsten arc welds Parameter Ti-6Al-4V-2Sn Ti...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... of welds produced and the effect of weld parameters on nugget fracture and fusion zone were evaluated using peel, fatigue, and impact testing. Ultrasonic evaluation of the welds including surface indentation, weld thickness, nugget width, internal void width, and location were determined. Figure 14.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... weld parameters are less than 10 seconds at 70 to 200 psi (480 to 1380 kPa) pressure. This process is somewhat similar to spot welding of metals. Induction welding techniques have been developed in which a metallic susceptor may or may not be placed in the bondline. However, it is generally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820001
EISBN: 978-1-62708-339-3
... metal surfaces from reactive gases in the weld environment, by removing chromium-enriched oxides and chromium-depleted base metal from thermally discolored (heat tinted) surfaces, and by choosing the proper welding parameters. Weld Microstructures Weldments exhibit special microstructural...
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
..., it is essential to preserve their correct chemistry by shielding with a fully inert gas mixture. If mechanical properties equal to that of the base metal are not required in the weld, then austenitic filler, such as 309L, can be used. Table 1 summarizes the major metallurgically important parameters...
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
... parameters, particularly the speed of rotation and the applied pressure ( Ref 9 ). In general, they will be thinner the shorter the time taken to reach the welding temperature, because this time determines the steepness of the temperature gradient adjacent to the weld plane. The weld illustrated in Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... ( Ref 12.13 ). Provided the welding parameters are adjusted, DP, complex-phase (CP), and TRIP steels can be welded using conventional resistance spot welding processes on commercial spot welding machines. Laser welding of the three steels showed no particular difficulties or problems ( Ref 12.14...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
...Abstract Abstract During fusion welding, the thermal cycles produced by the moving heat source causes physical state changes, metallurgical phase transformations, and transient thermal stresses and metal movement. This chapter begins by discussing weld metal solidification behavior...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
.... There is clearly a microstructural dependence, and studies on HAZs show corrosion to be appreciably more severe when the material composition and welding parameters are such that hardened structures are formed. It has been known for many years that hardened steel may corrode more rapidly in acid conditions than...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... precipitation reactions Shielding molten and hot metal surfaces from reactive gases in the weld environment Removing chromium-enriched oxides and chromium-depleted base metal from thermally discolored (heat tinted) surfaces Choosing the proper welding parameters ( Ref 1 ) Weld Solidification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030112
EISBN: 978-1-62708-282-2
...-depleted base metal from thermally discolored (heat tinted) surfaces, and by choosing the proper welding parameters ( Ref 1 ). Weld Solidification During the welding process, a number of important changes occur that can significantly affect the corrosion behavior of the weldment. Heat input...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720021
EISBN: 978-1-62708-305-8
... of the weld macrostructure. The weld macrostructure is established by the type of process employed, the operating parameters, and the materials used. Thus, metallography is a key tool in weld quality studies. Key terms in describing the macrostructure of fusion welds are the basic three components—the weld...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... was ductile, the reduced cross-sectional area of fused metal (due to lack of penetration) did not provide enough sound metal to meet the required joint strength. Welding parameters were changed to ensure full penetration. DH-36 structural steel for shipbuilding was butt welded by robotic gas metal arc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
.... of Third IEA International Workshop on Beryllium Technology for Fusion, Japan Atomic Energy Research Institute Conference 98–01 ( Milo City, Japan ), p 93 – 101 Barker R.B. , “ Beryllium Braze-Welding Porosity and Arc-Parameter Studies ,” RFP-287, Internal Document, Rocky Flats Division, Dow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... the least expensive method of producing MMCs and lends itself to the production of large ingots, which can be further worked by extrusion, hot rolling, or forging. In any casting process, reinforcement wetting and distribution are important processing parameters. In addition, any mechanical process...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
... the matrix hardness is less than 20 HRC. Figure 1-23 Macroetching used to reveal the influence of weld parameters on penetration depth and shape. Top example shows GMA (gas-metal arc) welds at a heat input of 45 kJ/in using atmospheres of 100% CO 2 , argon plus 25% CO 2 , and argon plus 2% O 2...
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
... parameters, to have essentially no internal upset. Sections of this chapter were adapted from “Resistance Welding” in Metals Handbook Desk Edition , 2nd ed., ASM International, 1998 doi: 10.31399/asm.hb.mhde2.a0003207 . ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... choice of welding parameters. A simple way to minimize the restraint on a solidifying weld joint is to keep the joint gap to a minimum by designing hardware with good fitup. Welding parameters can also have a profound influence on the occurrence of solidification cracking. The natural tendency to use...