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laser droplet welding

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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
... for the carbides to have formed. This is avoided only in thin-gauge (>1.5 mm, 0.06 in.) material or when the HAZ is drastically reduced, as in laser welding. The high thermal expansion of austenitic stainless steel can cause high residual stress around welds, which may require annealing to eliminate...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... to joining. 1.1.4 Welding Welding involves the fusion of the joint surfaces by controlled melting through heat being directed specifically toward the joint. Commonly used heating sources are plasma arcs, electron beams, lasers, and electrical current that is passed through the components and across...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
... with the desired properties for cold spraying. In essence, it is the breakup of a molten stream into droplets, which are then cooled to form solid particles ( Ref 6.2 ). The process uses gas flow to disintegrate a liquid stream, which is represented by melt flow. In general, any gas that does not react...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350231
EISBN: 978-1-62708-315-7
... imperfections of shape, refinement of surface finish, and close fit between mating surfaces. laser alloying. See laser surface processing. laser beam welding (LBW). A welding process that produces coales- cence of materials with the heat obtained from the application of a con- centrated coherent light beam...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.9781627083515
EISBN: 978-1-62708-351-5
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... Abstract This chapter covers common types of erosion, including droplet, slurry, cavitation, liquid impingement, gas flow, and solid particle erosion, and major types of wear, including abrasive, adhesive, lubricated, rolling, and impact wear. It also covers special cases such as galling...
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
... to the same family (e.g., joining one type of stainless steel with another type). Fusion welding methods include arc welding processes, resistance welding processes, and other methods such as oxyfuel welding, electron beam welding, and laser beam welding. Figure 2.1 compares these five process variations...
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
... Abstract Soldering and brazing represent one of several types of methods for joining solid materials. These methods may be classified as mechanical fastening, adhesive bonding, soldering and brazing, welding, and solid-state joining. This chapter summarizes the principal characteristics...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... size, maximum length, mass, or volume. It is best to clarify the assumed particle shape (usually spherical) and measured parameter. Light scattering is the most frequent means for measuring particle size. The devices are automated and fast. Here, laser techniques are emphasized due...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
...–metal flowing up from the surface that appears like a giant burr. Some four-ball lubricant tests require step loading until the four balls weld to each other, and the load at which this occurs is the test metric. The quality of a wear test can be assessed by statistical evaluation of repeat tests...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.9781627083522
EISBN: 978-1-62708-352-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... are the basis for welding hardfacing consumables that are widely used on all sorts of digging and farming implements. Austempered Ductile Irons Austempered ductile irons are used for many different machine components where, in addition to favorable wear properties, high strength and toughness greater...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... their performance in adhesive and abrasive wear applications and in environments where they are subjected to solid particle, droplet, slurry, and cavitation erosion and fretting damage. alloy composition carbon and low-alloy steel friction and wear properties microstructure tool steel wrought product...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060429
EISBN: 978-1-62708-261-7
... with appreciable ductility. welding, for example). austenite. A face-centered cubic iron (gamma iron) or steel. beryllium-copper. Copper-base alloys contain- austenitizing. Forming austenite by heating a ing not more than 3% Be. ferrous alloy into the transformation range (partial austenitizing) or above...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390039
EISBN: 978-1-62708-459-8
..., yet virgin surfaces are exposed, partly because of the generation of new surfaces and partly because of asperity plowing. Depending on the material pairing, adhesion may then lead to cold or solid-state welding ; further relative movement (sliding or normal separation of the surfaces) then destroys...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290165
EISBN: 978-1-62708-306-5
... is relatively low, so there is no need for the heat to be applied locally, as in welding. Brazing and soldering allow considerable freedom in the dimensioning of joints, so it is possible to obtain good results even if a variety of components are used on the same product. The brazed or soldered...