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isothermal fatigue

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
... 721 896 0.0058 … 538 1000 150 727 898 0.0060 7.0 760 1400 141 727 899 0.0064 4.0 871 1600 146 617 786 0.0054 4.0 982 1800 126 322 478 0.0038 7.0 Isothermal fatigue results for B-1900+Hf Table 6.4 Isothermal fatigue results for B-1900+Hf...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... the initial diameter. Source: Ref 12 Fig. 27 Effect of exposure in air at various temperatures on stress-rupture life of IN738 at 800 °C (1470 °F) and 400 MPa (58 ksi). Source: Ref 13 Fig. 34 Example of fatigue-creep interaction. Source: Ref 3 Fig. 23 Isothermal diagram...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... illustrating difficulty encountered with using absolute strain in summing damage accumulation Fig. 8.16 Comparison of isothermal fatigue (IF) life prediction with limited experimental results for isothermal testing of Alpak-S1-coated Mar-M 247 at 871 °C (1600 °F). Source: Ref 8.70 Fig. 8.17...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490111
EISBN: 978-1-62708-340-9
... in thermal and isothermal fatigue tests. Fig. 4.1. (a) Nomenclature for test parameters involved in cyclic stress testing, and (b) typical S-N curve for fatigue. Fig. 4.7. Effects of inclusions on fatigue life of type 4340 steel ( Ref 4 ). Fig. 4.8. S-N curves for IN-738 LC...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
...) Equivalent to PWA 1455. (c) Udimet 700, Astroloy, and Rene 77 are similar in composition. (d) Equivalent to HS-31. (e) Also referred to as Multimet. (f) Total Nb + Ta content specified. Possible influences of environment on fatigue-crack propagation in cast nickel-base superalloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060231
EISBN: 978-1-62708-343-0
... prediction method based on the original inelastic strain version ( Ref 10.14 ). Isothermal creep-fatigue tests were used to define the required SRP life relationships for Δε PP and Δε PC , and the structural cyclic stress-strain analysis provided the partitioning of the tensile and compressive plasticity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
... 9.2 , 9.3 ). Results of a simple example calculation are presented in conjunction with data from Ref 9.3 and repeated in Fig. 9.3 . The results are from isothermal, 425 °C (800 °F), completely reversed fatigue tests of a unidirectional, 35 volume fiber fraction SCS-6/Ti-15-3 MMC. This curve falls...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120033
EISBN: 978-1-62708-269-3
... and formability Higher threshold stress for hot salt stress corrosion Higher strength (for equivalent heat treatment) Better hydrogen tolerance Better low-cycle fatigue (initiation) properties Acicular Superior creep properties Higher fracture-toughness values Temperatures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
... 6.2 , and the creep behavior of titanium aluminides is compared with that of conventional titanium alloys in Fig. 6.3 . Despite a lack of fracture resistance (low ductility, fracture toughness, and fatigue crack growth rate), the titanium aluminides Ti 3 Al (α-2) and TiAl (γ) have great potential...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040257
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter discusses the processes of isothermal and hot-die forging and their use in producing aerospace components. It explains how isothermal forging was developed to provide a near-net shape component geometry and well-controlled microstructures and properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... consolidation by HIP or extrusion to form billet Component production by isothermal or superplastic forging to shape/dimensions The first aircraft gas turbine to employ widespread use of a P/M extruded and isothermally forged nickel-base superalloy turbine was the Pratt & Whitney F100. It began...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480225
EISBN: 978-1-62708-318-8
...) Improved Improved Improved Fatigue ... ... ... Creep strength Improved Improved Improved Creep stability Same Same Same Fracture toughness Improved Improved Improved Properties of Ti-13V-11Cr-3Al forgings showing effect of process history Table 10.7 Properties of Ti-13V...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... phenomenological and is based on the perceived wear mechanism. This classification includes fatigue wear, chemical wear, delamination wear, fretting, erosion, abrasion, and transfer wear. The third classification is specific to polymers and draws the distinction based on mechanical properties of polymers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060083
EISBN: 978-1-62708-343-0
... An isothermal creep-fatigue testing program was conducted by Kalluri and Manson ( Ref 5.23 ) to evaluate the time-dependent nature of the CP life relationship for AISI type 316 stainless steel. Example results are presented herein for 816 °C (1500 °F), where the time dependencies were the greatest. Details...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
...; good bending fatigue strength; good resistance to seizure; excellent freedom from quench cracking; low- to medium-cost steels required; high capital investment required Carbonitriding Hard, highly wear-resistant surface (shallow case depths); fair capacity for contact load; good bending fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700115
EISBN: 978-1-62708-279-2
... processing of TRIP and DP steels. The steel is intercritically annealed in the temperature range of 780 to 880 °C (1436 to 1616 °F) to produce a microstructure of almost equal fractions of ferrite (α) and austenite (γ). This is followed by cooling and isothermal annealing of the steel in the temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550223
EISBN: 978-1-62708-307-2
... and nickel-base superalloys, yielding excellent strength-to-weight ratios. Fatigue strength . Titanium alloys have much better fatigue strength than aluminum alloys and are frequently used for highly loaded bulkheads and frames in fighter aircraft. Operating temperature capability . When...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9