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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080249
EISBN: 978-1-62708-304-1
... Abstract This chapter examines the hot corrosion resistance of various nickel- and cobalt-base alloys in gas turbines susceptible to high-temperature (Type I) and low-temperature (Type II) hot corrosion. Type I hot corrosion is typically characterized by a thick, porous layer of oxides...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
...Compositions of alloys used in turbine-section components (<xref ref-type="bibr" rid="t60490415-ref3">Ref 3</xref>) Table 9.1. Compositions of alloys used in turbine-section components ( Ref 3 ) Alloy Typical composition, wt % C Mn Si Cr Ni Co Mo W Nb...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270087
EISBN: 978-1-62708-301-0
... Abstract A turbine blade in an aircraft engine failed, fracturing at the root above the fir tree region. Fractography indicated that a fatigue crack initiated at the trailing edge of the blade and the final fracture occurred when the crack reached critical length. Although the exact cause...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
...Damage locations, causes, and remedies for steam turbine components (<xref ref-type="bibr" rid="t60490265-ref6">Ref 6</xref>) Table 6.1. Damage locations, causes, and remedies for steam turbine components ( Ref 6 ) Component Position Cause of life exhaustion Time of remedial action...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270168
EISBN: 978-1-62708-301-0
... Abstract During cyclic spin tests, the turbine disc in an aircraft engine broke apart with a loud noise, followed by a fire. Based on a detailed examination and the results of SEM fractography and hardness measurements, failure analysts concluded that a locking plate became dislodged due...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270182
EISBN: 978-1-62708-301-0
... Abstract A turbine in a fertilizer plant began to vibrate and was shut down to investigate the problem. A first stage rotor blade was found fractured and was removed along with several other blades for further examination. Based on their observations and testing, investigators concluded...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270189
EISBN: 978-1-62708-301-0
... Abstract A generating system in a hydroelectric power plant was shut down to investigate an abnormal sound coming from one of the turbines. A piece of metal that had broken off one of the vanes on the runner was found in the tail race and was subsequently examined along with the runner. Based...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270067
EISBN: 978-1-62708-301-0
... Abstract A low-pressure turbine rotor blade failed in service, causing extensive engine damage. A section of the blade broke off around 25 mm from the root platform, producing a flat fracture surface that appeared smooth on one end and grainy elsewhere. Based on their examination, investigators...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270135
EISBN: 978-1-62708-301-0
... Abstract A second-stage turbine blade in an aircraft engine failed in service, fracturing along a path through the shroud hole. Cracks were also found in the shroud holes of the two adjacent blades. Based on the results of visual examination and SEM fractography, investigators concluded...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270138
EISBN: 978-1-62708-301-0
... Abstract A high-pressure turbine blade in an aircraft engine failed prematurely, fracturing close to the root. Visual examination revealed significant plastic deformation on the leading edge of the blade, blocky cleavage on the trailing edge, and a region covered with fissures in between. Based...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270143
EISBN: 978-1-62708-301-0
... Abstract A low-pressure turbine rotor blade failed during a test run, causing extensive damage to an aircraft engine. Visual examination showed that the nickel-base superalloy blade broke above the root platform in the airfoil section, leaving a fracture surface with two distinct regions, one...
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Published: 01 March 2002
Fig. 5.7 Cast turbine airfoils and other high-integrity investment-cast gas turbine components More
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Published: 31 March 2024
Fig. 5.4 Vibration spectra of (a) turbine rotor at No. 5 turbine bearing and (b) generator shaft, drive end. p-p, peak-to-peak More
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Published: 01 November 2007
Fig. 4.10 The dynamic burner rig used by Lai ( Ref 36 ) for simulating a gas turbine combustion environment in evaluating the oxidation/nitridation behavior of gas turbine combustor alloys. Courtesy of Haynes International, Inc. More
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Published: 01 March 2002
Fig. 1.2 F119 gas turbine engine—a major user of superalloys More
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Published: 01 March 2002
Fig. 2.5 Schematic of gas turbine engine showing principal sections and the general operating temperatures related to section position More
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Published: 01 March 2002
Fig. 3.8 Macrostructure of three turbine blades: polycrystalline (left), columnar grain directionally solidified (center), and single crystal directionally solidified (right) More
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Published: 01 March 2002
Fig. 5.2 Investment-cast turbine blade with convex wall removed showing complex internal arrangement produced by the core standing alongside the blade More
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Published: 01 March 2002
Fig. 5.6 Polycrystalline cast cobalt-base turbine guide vanes and segments More
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Published: 01 March 2002
Fig. 5.8 Polycrystalline cast hollow nickel-base turbine blade of simple cooling geometry shown with cross sections of some other cooling configurations More