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laser beam

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Published: 01 November 2019
Figure 5 Thermal gradients induced at a thermocouple as a function of the laser beam position. More
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Published: 01 December 2000
Fig. 9.2 Macrograph showing columnar beta grains in a Ti-6Al-4V laser beam weld. 13× More
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Published: 01 December 2000
Fig. 10.4 Laser beam heating of titanium steel, and aluminum, showing melt depth versus beam sweep speed More
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Published: 01 November 2011
Fig. 4.11 Primary components of a laser beam welding unit. Source: Ref 4.7 More
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Published: 01 March 2006
Fig. 10.6 Schematic of decrease in reflected intensity (normalized) of a laser beam impinged at an angle to the surface of a metal being fatigued More
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Published: 01 November 2013
Fig. 5 Schematic of laser beam cutting with a gas jet. Source: Ref 1 More
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Published: 01 July 1997
Fig. 1 Macrograph showing columnar beta grains in a Ti-6Al-4V laser-beam weld. 13×. Courtesy of The Welding Institute More
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Published: 01 July 1997
Fig. 6 Fatigue crack growth in laser beam weldments of Ti-6Al-4V both without and with a postweld stress relief treatment of 4.5 h at 625 °C (1160 °F). (a) Fatigue crack growth parallel to weld. (b) Fatigue crack growth perpendicular to weld. These data suggest that residual stresses More
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Published: 01 July 1997
Fig. 8 S/N curves for laser-beam welds in 4 mm (0.16 in.) Ti-6Al-4V sheet produced at 2 and 4 m/min (0.6 and 1.2 ft/min). Tested in as-welded condition. Fracture initiated at weld undercut. Base metal properties are provided for comparative purposes. Source: Ref 42 More
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Published: 01 November 2019
Figure 27 SSPVM system schematic; two laser beams (red arrows) that are orthogonal to each other, converge at the sample beneath the probe tip. More
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Published: 01 January 2015
Fig. 22.14 Schematic diagram of the effects of laser- and electron beam heating, melting, and solidification. Source: Ref 22.53 More
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Published: 01 January 1998
Fig. 16-16 Schematic of the effects of laser and electron beam heating, melting, and solidification. Source: Ref 63 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
... Abstract This chapter discusses the fusion welding processes, namely oxyfuel gas welding, oxyacetylene braze welding, stud welding (stud arc welding and capacitor discharge stud welding), high-frequency welding, electron beam welding, laser beam welding, hybrid laser arc welding, and thermit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... of service failures. The discussion covers various factors that may lead to the failure of arc welds, electroslag welds, electrogas welds, resistance welds, flash welds, upset butt welds, friction welds, electron beam welds, and laser beam welds. corrosion deformation fracture inspection mechanical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930311
EISBN: 978-1-62708-359-1
... Abstract This article discusses the fusion welding processes that are most widely used for joining titanium, namely, gas-tungsten arc welding, gas-metal arc welding, plasma arc welding, laser-beam welding, and electron-beam welding. It describes several important and interrelated aspects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110196
EISBN: 978-1-62708-247-1
.... The thermal stimulus examples are Optical Beam-Induced Resistance Change/Thermally-Induced Voltage Alteration and Seebeck Effect Imaging. Lastly, the article discusses the application of solid immersion lenses to improve spatial resolution. laser-based failure analysis photocurrent techniques scanning...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350087
EISBN: 978-1-62708-315-7
... Abstract This chapter discusses surface engineering treatments, including flame hardening, induction hardening, high-energy beam hardening, laser melting, and shot peening. It describes the basic implementation of each method, the materials for which they are suited, and their effect on surface...
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Published: 01 August 1999
Fig. 11.28 (Part 4) (h) Progression of the weld pool during butt welding with a high-energy beam. Applies specifically to welding with a laser beam, but applies equally to electron-beam welding. More
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Published: 01 December 2000
Fig. 12.32 Effect of welding processes on fatigue crack growth rate of longitudinally oriented titanium alloys. (a) Ti-6Al-4V alpha-beta alloy. (b) Ti-15V-3Cr-3Al-3Sn beta alloy. GTAW, gas-tungsten arc welding; EBW, electron beam welding; LBW, laser beam welding More
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Published: 01 August 2018
Fig. 6.11 Simplified schematic representation of an atomic force microscope. The “stylus” at the end of the sensor scans the sample surface. Its deflection is measured by the position of the reflection of a laser beam pointed at the cantilever holding the stylus. The positional information More