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Ti-6Al-4V

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001660
EISBN: 978-1-62708-236-5
...Abstract Abstract Failure analysis was performed on threaded Ti-6Al-4V fasteners that had fractured in the threads during installation. Scanning electron microscopy (SEM) and optical metallography revealed that the fractures initiated in circumferential shear bands present at the thread roots...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001667
EISBN: 978-1-62708-235-8
... of engineering materials, is presented. As an example, the materials and metallographic techniques employed in an actual on-site investigation of a gas tungsten-arc weldment joining two large diameter Ti-6Al-4V alloy cylinders are discussed in depth to illustrate what can be accomplished. Cylinders Field...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001573
EISBN: 978-1-62708-226-6
...Abstract Abstract TiN coated back surgery wires were made of Ti-6Al-4V. The reported failure was the presence of pits located in the uncoated area of the wires. The uncoated area of the wire is where the wire is fixtured in the coating chamber during coating. Examination and analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0047681
EISBN: 978-1-62708-229-7
...Abstract Abstract A fluorescent liquid-penetrant inspection of an experimental stator vane of a first-stage axial compressor revealed the presence of a longitudinal crack over 50 mm (2 in.) long at the edge of a resistance seam weld. The vane was made of titanium alloy Ti-6Al-4V (AMS 4911...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047641
EISBN: 978-1-62708-235-8
...Abstract Abstract A Ti-6Al-4V alloy pressure vessel failed during a proof-pressure test, fracturing along the center girth weld. The girth joints were welded with the automatic gas tungsten arc process utilizing an auxiliary trailing shield attached to the welding torch to provide inert-gas...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091726
EISBN: 978-1-62708-217-4
...Abstract Abstract In January 1965, a Reaction Control System (RCS) pressure vessel (titanium alloy Ti-6Al-4V) on an Apollo spacecraft cracked in six adjacent locations. It used N2O4 for vehicle attitude control through roll, pitch, and yaw engines, and was protected from the N2O4 by a Teflon...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091727
EISBN: 978-1-62708-217-4
...Abstract Abstract During an acceptance test of the Apollo spacecraft 101 service module prior to delivery, an SPS fuel pressure vessel (SN054) (titanium Ti-6Al-4V, approximately 1.2 m (4 ft) in diam and 3 m (10 ft) long) containing methanol developed cracks adjacent to the welds. The test...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001030
EISBN: 978-1-62708-214-3
...Abstract Abstract Cracks were discovered between interference-fit fasteners (MoS2-coated Ti-6Al-4V) that had been incorporated into a fighter aircraft primary structural frame (D6ac steel) to enhance structural fatigue life. Examination of sections cut from the cracked frame established...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001801
EISBN: 978-1-62708-241-9
.... Eng. 105 , 101 – 107 ( 1983 ) 10.1115/1.3138392 13. Sittig C. et al. , Surface characterization of implant materials c.p. Ti, Ti6Al4V and Ti6Al4V with different pretreatments . J. Mater. Sci. Mater. Med. 10 ( 1 ), 35 – 46 ( 1999 ) 10.1023/A:1008840026907 14. Hur...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001782
EISBN: 978-1-62708-241-9
... to fabricate a single club head. Still, one of the most commonly used alloys is Ti6Al4V, which is a readily available alpha–beta titanium alloy. Reportedly, the subject golf club was relatively new but had been used approximately 100 times over a period of 6 months. The club may have been used once after...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001636
EISBN: 978-1-62708-217-4
... stress history could have been more severe than anticipated. This possibility was subsequently supported by a separate investigation of the assumed and actual fatigue loads and stresses. Rotor blade Ti-6Al-4V UNS R56406 Fatigue fracture Introduction Failure Analysis Topics and Techniques...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001690
EISBN: 978-1-62708-226-6
... implants. Corrosion Fracture mechanisms Metallic surgical implants Retrieval analysis Ti-6Al-4V UNS R56406 316L UNS S31603 ISO 5832-2 grade 1 Nitinol (Other, general, or unspecified) corrosion (Other, general, or unspecified) fracture Worldwide data indicate that approximately 100...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... the composition as well as the properties of the surface layer. The alpha case in titanium (oxygen contamination) becomes very brittle and can act as a damage-initiation site ( Fig. 24 ). Fig. 24 (a) Etched Waspaloy superalloy. (b) Ti-6Al-4V with alpha case. 2% HF etch Austenitic stainless steels...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001265
EISBN: 978-1-62708-215-0
... to ensure a bimodal microstructure were recommended. Ceramic coatings Sintering (powder metallurgy) Surgical implants Ti-6Al-4V ELI UNS R56407 Fatigue fracture Background Visual Examination of General Physical Features Testing Procedure and Results Discussion Conclusion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001649
EISBN: 978-1-62708-234-1
... of the bolt at the time of re-torque and at the time of initial torque application several years earlier. Aerospace fasteners Fractography Ti-6Al-4V UNS R56406 Ductile fracture As in many industries, aerospace systems and components are subject to time-dependent degradation. The ongoing...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001803
EISBN: 978-1-62708-241-9
... Variations in the Surface and Interface of Calcium Phosphate Ceramic Coatings on Ti and Ti-6Al-4V due to Sintering and Immersion ,” Biomaterials , 1991 , 12 , pp. 461 – 469 10.1016/0142-9612(91)90143-X . 10. Cheang P. and Khor K.A. : “ Addressing Processing Problems Associated...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006796
EISBN: 978-1-62708-295-2
... Resistance of Steam Turbine Blades , Wear , Vol 254 , 2003 , p 652 – 667 10.1016/S0043-1648(03)00253-9 39. Kamkar N. , Bridier F. , Jedrzejowski P. , and Bocher P. , Water Droplet Impact Erosion Damage Initiation in Forged Ti-6Al-4V , Wear , Vol 322–323 , 2015 , p 192...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... (experimental validation using flat-on-flat interface). EDX, energy-dispersive x-ray. Adapted from Ref 68 , 69 . Reprinted with permission from Elsevier Fig. 19 Evolution of fretting wear rate increase with applied sliding amplitude for an adhesive wear Ti-6Al-4V interface. (a) Basic friction energy...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
.... , A Simplified Approach to the Adhesive Theory of Friction , Wear , Vol 249 , 1995 , p 79 – 85 12. Straffelini G. and Molinari A. , Dry Sliding Wear of Ti-6Al-4V Alloy as Influenced by the Counterface and Sliding Conditions , Wear , Vol 236 , 1995 , p 328 – 338 10.1016/S0043-1648(99...