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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270120
EISBN: 978-1-62708-301-0
... Abstract This chapter describes an investigation following an aircraft accident in which the main undercarriage struts had failed. Visual examination revealed that the starboard strut fractured about 13 cm from the end nearest the underside of the wing. A close-up view of the fracture surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270078
EISBN: 978-1-62708-301-0
... examination In an aircraft that had an accident, the port side stabilizer link rod had fractured in the thread region. Considerable bending was also noticed near the fracture. Fractography revealed that the link rod failed by overload, possibly by a combination of tension and bending forces...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270130
EISBN: 978-1-62708-301-0
... analysis reaction control valve SEM fractography shutter bolts stress corrosion cracking Following an aircraft accident, it was found that the shutter bolts on the reaction control valve had failed. During an inspection campaign, one bolt each on five shutters belonging to different...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270102
EISBN: 978-1-62708-301-0
... at the shank was increased. Still, there were a series of accidents caused by the failure of dowel bolts. Detailed investigations revealed that the bolts failed due to fatigue. Fatigue was initiated by fretting in some bolts. The spur and bevel gears of an aircraft engine were fastened together with a set...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270074
EISBN: 978-1-62708-301-0
... plate. The friction between the slipper pads and the cam plate resulted in torsional overload of the camshaft and its fracture. The damaged fuel pump of an aircraft engine was retrieved from the wreckage of a crashed aircraft. It was reported that the accident was caused due to the failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270092
EISBN: 978-1-62708-301-0
... of the beach marks was a nick on the barrel surface. These facts suggest that there was a preexisting crack that propagated by fatigue. In an aircraft that met with an accident, the fuel pump had failed. It was reported that the failure of the fuel pump resulted in engine flame-out just after takeoff...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270045
EISBN: 978-1-62708-301-0
... in the investigation of two in-flight bombings. aircraft accidents explosive sabotage failure analysis DAMAGE BY EXPLOSIVE SABOTAGE continues to be a serious and increasing threat to structures all over the world. This is particularly true for international targets such as passenger aircraft. As the speed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270053
EISBN: 978-1-62708-301-0
.... , Ed., Elsevier , New York , 1977 , p 11 3. Kirpal B.N. , Ramachandran V. , Gharia J.S. , Dhillon J.S. , Mehra J.K. , and Bhasin B.K. , “ Report of the Court of Inquiry Investigating Accident to Air India Boeing 747 Aircraft VT-EFO, Kanishka on June 23, 1985...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270059
EISBN: 978-1-62708-301-0
... should be incorporated to provide warning of failure. In a passenger aircraft, there was an uncontained fracture of a compressor disc whose fragments hit the fuel line, causing an inflight fire and resulting in a serious accident. All the occupants of the aircraft died and the aircraft was a total...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270003
EISBN: 978-1-62708-301-0
... a real time test for the integrity of a structure. When a major disaster such as an aircraft accident occurs, it is the manufacturer who is most concerned about investigating the mishap to find out what went wrong and at what stage. Failure is a fact of life. It cannot be totally avoided, as a failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270005
EISBN: 978-1-62708-301-0
.... , and Ramachandran V. , Investigation of an Aircraft Accident by Fractographic Analysis , Advances in Fracture Research , Vol 5 , Valluri S.R. et al. , Ed., Pergamon Press , 1984 , p 3677 10.1016/B978-1-4832-8440-8.50398-7 16. Kirpal B.N. , Ramachandran V. , Gharia J.S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... • N1819U, NTSB-AAR-90-06 , Aircraft Accident Report , United Airlines, Inc. , Nov 1990 • Ross S. , Tacoma Narrows, 1940 , Construction Disasters , 1st ed. , McGraw-Hill , 1984 , p 216 – 239 A simplistic view of the fatigue process is shown in Fig. 1 . In this example ( Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... sectioning tension test specimens from the failed component, special attention should be paid to the orientation of the specimen. Some components may have quality-assurance notes on the drawings that indicate where tensile specimens are to be taken. This is especially true of critical aircraft components...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180001
EISBN: 978-1-62708-256-3
... Britain’s most prestigious aeronautical science organization, the Royal Aircraft Establishment (RAE), to take over the investigation of both accidents. The RAE investigation, headed by Sir Arnold Hall, was responsible for attributing the cause for the destruction of the world’s first jetliner and, in effect...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780075
EISBN: 978-1-62708-268-6
... the engine exhaust manifold. The oil ignited, and the resulting fire caused the crash. Just prior to the accident, maintenance technicians had changed the oil and oil filters in the aircraft engines. During the oil change, they used an oil filter with the incorrect gasket material. The oil filter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270063
EISBN: 978-1-62708-301-0
... presented include components and accessories of aircraft, helicopters, compressors, turbines, fuel pumps and other parts of aircraft engines, ground equipment, power plants, and chemical plants. The investigation of the failure of dowel bolts in an aircraft engine was carried out jointly with scientists...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... testing. The aircraft industry has made successful use of devices such as the wind tunnel to simulate some of the conditions encountered in flight, and naval architects have employed tank tests to evaluate hull modifications, power requirements, steerage, and other variables that might forestall component...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... failed to detect a fatigue crack in the compressor stage of an aircraft engine. Upon application of power, the compressor stage ruptured, with shrapnel severing fuel lines and igniting the fuel, ultimately leading to the loss of the aircraft. Fig. 5 The probable cause of this accident...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180061
EISBN: 978-1-62708-256-3
... References 1. Air Safety Online, aviation accident database , www.crashdatabase.com (Web site accessed December 2004) 2. Helicopter Crashes, Willis & Associates , www.helicopter-crashes.com (Web site accessed March 2005) Statistics are an important part of a failure investigation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
..., propulsion engineering, aerodynamics, and so on, which may be necessary for analyzing a particular failure or accident, a team effort is always desirable to arrive at the correct solution to the problem. References 1. Czanderna A.W. , Ed., Methods of Surface...