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projection weld quality

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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
... the parts are press formed to design shape. When several welds are made at once with the same electrode, alignment of the work and dimensions (particularly height) of the projections must be held to close tolerances to obtain consistent weld quality. When making simultaneous projection welds...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430351
EISBN: 978-1-62708-253-2
... the penetration in two locations and the weld pool showed spillage on the ID surface. The improper weld quality forming undercuts and excessive weld projection caused an accumulation of corrodents by the formation of a localized stagnant zone—both at the OD and ID surfaces. The alkali and sulfur ion contaminants...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... behavior of AHSS and could seriously affect the structural performance of AHSS components. The ASP led a project to study the welding performance of AHSS for auto body structural components. Five fusion welding processes (MIG pulse/ac, MIG pulse/dc, MIG/laser-assisted, laser, and laser plasma) were...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410001
EISBN: 978-1-62708-280-8
... in solidification analysis have been instrumental in successfully converting many safety-critical automotive castings from iron and steel castings to aluminum castings that meet all of the demanding quality requirements. This book is a structured approach to linking the two basic needs of functionality...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... Abstract This chapter describes the processes involved in the fabrication of wrought and cast metal products. It discusses deformation processes including bending and forming, material removal processes such as milling, cutting, and grinding, and joining methods including welding, soldering...
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
... that would be difficult or even impossible to cast as a single high-quality casting because of the laws of molten metal feeding, (2) in foundries with limited casting capacity, the designer can make cast-weld assemblies of castings that are within the foundry’s casting capabilities, and (3) materials...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870101
EISBN: 978-1-62708-314-0
... for their heat-up rates during autoclave processing. The designs, shown in Fig. 4.8 , consisted of a steel faceplate with a welded eggcrate substructure, a numerical controlled (NC) machined aluminum form block tool placed on an aluminum project plate, and an electroformed nickel tool with an open tubular...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700225
EISBN: 978-1-62708-279-2
... types of vehicles. Other manufacturing processes such as roll forming, hot forming, and tube hydroforming are also used. Incoming sheet materials for such processes come in one of these forms: Sheet blank Sheet coil Laser welded blank Laser welded coil Flexible (tailor) rolled...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700199
EISBN: 978-1-62708-279-2
... with half the current mass, while also making them more affordable, recyclable, and of good quality and durability. The USAMP is responsible for identifying, conducting, and directing noncompetitive research and development in automotive-related materials and processes. Projects on materials include...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
..., which will necessarily differ as the cause differs. The procedure may consist of using a better weld contour, a more favorable filler metal, a more appropriate heat input (a different cooling rate for the weld metal and the HAZ), a more accurate fit-up, a higher-quality base metal, or different service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... Abstract This chapter discusses the various methods used to join titanium alloy assemblies, focusing on welding processes and procedures. It explains how welding alters the structure and properties of titanium and how it is influenced by composition, surface qualities, and other factors...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220667
EISBN: 978-1-62708-259-4
... of whether they will be part of an undergraduate research project, a thesis or dissertation, a forensic technical report, quality control documentation, or a report of a development project. It should be evident that the section titled “ Methods ” or “ Materials and Methods ” in a publication “should...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... be broadly categorized as: Shakeout Abrasive blast cleaning Removal of risers, ingates, and discontinuities Rough inspection Removal of discontinuities Finishing welding Heat treatment Final visual, dimensional, and NDT inspection The type of alloy, desired quality level...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
... in the context of the fitness-for-service of the welded construction. Fitness-for-service is a concept of weld evaluation that seeks a balance among quality, reliability, and economy of welding procedure. Fitness-for-service is not a constant. It varies depending on the service requirements of a particular...
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
... 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 metal or nugget , the heat affected zone...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310233
EISBN: 978-1-62708-286-0
... Abstract The case for using stainless steel in appliances of all types, whether they are commercial or residential, relates to it being able to provide the best value over the intended service life. This chapter describes some of the qualities in any material considered for food contact, namely...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980551
EISBN: 978-1-62708-342-3
... planning meetings by the press crew establish individual controls testing of the quality characteristics (e.g., shape, roughness, surface quality, weld quality) during contract processing, up to the point of section packing. Regular monitoring of internal customer requirements by communication...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... produce high-quality, clean, slag-free welds, with a minimal number of defects. Resistance projection welding, such as HEIW, uses powerful capacitors to store energy so that currents as high as 400,000 A can be generated with a weld dwell time of 1/60 of a second. In this cases, welding takes place across...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310213
EISBN: 978-1-62708-286-0
... analyses), and these grades have varying strengths, appearance, resistance to corrosion, availability, and costs. The success of a building project involves careful planning for the appropriate use of materials. This chapter deals with the technology of stainless steel as it pertains to its proper use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... of catastrophic plant failure were much reduced due to better materials, tighter control of design, improved fabrication quality assurance, appropriate maintenance, valid inspections, better plant process control, and so forth. This improved track record and the continued drive for improved profitability turned...