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Studs

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Published: 01 October 2005
Fig. CH44.9 (a) Two sheared mounting studs. (b) Close-up view of one of the sheared studs. Note the direction of pulling of the studs. More
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Published: 01 November 2007
Fig. 16.9 (a) Fractured studs due to cadmium-induced LME during service at 315 °C (600 °F), and (b) optical micrograph showing intergranular cracks at the cross section of a fractured stud. Source: Ref 46 More
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Published: 01 December 2004
Fig. 7 Wedge-test details for studs. D , diameter of stud; C , clearance of wedge hole; R , radius; T , thickness of wedge at short side hole; W , wedge angle More
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Published: 01 November 2011
Fig. 4.6 Common stud configurations for stud arc welding. Source: Ref 4.3 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270180
EISBN: 978-1-62708-301-0
... Abstract The nose landing gear on an aircraft malfunctioned during landing roll. After the incident, two fractured studs were found in the retraction jack support beam. Based on visual examination and the results of SEM fractography, investigators concluded that the studs failed by fatigue...
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 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270065
EISBN: 978-1-62708-301-0
... Abstract An aircraft was heavily damaged when it was forced to land due to a throttle malfunction. Investigators determined that one of the studs linking the throttle to the engine fractured from fatigue, initiated by cracks formed during a riveting procedure. This chapter provides a summary...
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Published: 01 November 2011
Fig. 4.4 Stud arc welding process: (a) gun is properly positioned; (b) trigger is depressed and stud is lifted, creating an arc; (c) arcing period is completed and stud is plunged into molten pool of metal on base material; (d) gun is withdrawn from welded stud and ferrule is removed. Source More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270168
EISBN: 978-1-62708-301-0
... and subjected to further damage. Some of the dovetail mounting regions were also found sheared. The region that had suffered minimum damage was the locking plate region. The two mounting studs were found pulled outward and sheared ( Fig. CH44.9 ), along with the locking plate. The region showed no other damage...
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Published: 01 October 2005
Fig. CH1.1 Fracture surface on one-half of the stud showing the rivet holes. Note the taper of one of the holes and noncentering of the other. More
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Published: 01 October 2005
Fig. CH1.2 Fracture surface of the mating half of the stud, from inside the tube with rivets still in position More
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Published: 01 October 2005
Fig. CH44.10 SEM fractograph of the stud. Elongated dimples indicate failure due to shear loads. More
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Published: 01 October 2005
Fig. CH49.1 Fracture surface of the failed stud showing the fatigue zone More
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Published: 01 October 2005
Fig. CH49.4 Sketch showing the location of leading thread in the stud More
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Published: 01 November 2011
Fig. 4.3 Typical integrated power/control system for stud arc welding. Source: Ref 4.3 More
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Published: 01 November 2011
Fig. 4.5 Macrosection of low-carbon steel stud weld. Source: Ref 4.3 More
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Published: 01 November 2011
Fig. 4.7 Typical current-versus-time curves for the three capacitor discharge stud welding methods. Source: Ref 4.4 More
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Published: 01 November 2011
Fig. 4.8 Methods used for capacitor discharge (CD) stud welding, (a) initial-gap; (b) initial-contact; (c) drawn-arc. Source: Ref 4.4 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060195
EISBN: 978-1-62708-355-3
... of fasteners and studs can be determined on the ends, wrench flats, or unthreaded shanks after removal of any oxide, decarburization, plating, or other coating material. Rockwell or Vickers hardness standards may be used at the option of the manufacturer. Hardness is determined at midradius of a transverse...
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Published: 01 December 2018
Fig. 6.81 (a) Close-up view at leakage location with leakage in the form of tiny pinholes and smooth outer surface with erosion marks where the studs had worn out. (b) Bent location showing scale deposits. (c) Inner surface view brick red in color indicating absence of protective magnetite More