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Thermal fatigue fracture

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... may be harmless unless the cracks wear the mating surface or unless one or more cracks progress to cause complete fracture. Engine exhaust manifolds also are subject to thermal fatigue, particularly on heavy-duty engines. They may become literally red-hot under certain conditions and then cool...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... microstructure having network of cracks filled with oxide scales (c) 400×, (d) 400× Fig. 6.139 (a) SEM image of fracture surface indicating fatigue striations with oxidized nature of rupture surface, 1000×. (b) Microstructure of a tube with ferrite and bainite as the phases with typical thermal faigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... of 2.25-1Mo Steel for Use in Steam Generator Design ,” ORNL-5125, Oak Ridge National Laboratory , 1976 19. Sehitoglu H. , Thermal and Thermomechanical Fatigue of Structural Alloys , Fatigue and Fracture , Vol 19 , ASM Handbook , ASM International , 1996 10.31399/asm.hb.v19.a0002391...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780249
EISBN: 978-1-62708-281-5
... ( Ref 10 ). Fig. 3 Thermal fatigue failure and conventional fatigue crack propagation fracture during reversed load cycling of acetal. Source: Ref 10 The high damping and low thermal conductivity of polymers cause a strong dependency of temperature rise on the rate of load application...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240243
EISBN: 978-1-62708-251-8
... and growth occurs. It describes the most effective methods of improving fatigue life. The chapter also explains the effect of geometrical stress concentrations on fatigue. In addition, it explores the environmental effects of corrosion fatigue, low-temperature fatigue, high-temperature fatigue, and thermal...
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 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060231
EISBN: 978-1-62708-343-0
... combustor liner showing airflow distribution Fig. 10.11 Reworked pilot rib design to machine away potentially damaged areas and relocate and hence reduce the stress-concentration factor for initiating thermal low-cycle fatigue cracks Fig. 10.22 Louver temperature response Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
.... Thermally Induced Fatigue Creep Deformation and Stress Rupture Oxidation Failure Brittle fracture can be defined as fracture that occurs at stresses below the net section yield strength of the material, with minimal absorption of energy and with very little observable plastic deformation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... at temperature. The following life-limiting factors are common to most structures and should be considered in a failure analysis and a life assessment: Material defects Fabrication practices Stress, stress concentration, and stress intensity Temperature Thermal and mechanical fatigue cycles...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630117
EISBN: 978-1-62708-270-9
.... Subsurface-Origin Fatigue Fatigue under Compression Forces Thermal Fatigue Corrosion Fatigue Bolt Fatigue Fatigue in Riveted Thin-Wall Pressure Vessels In discussing laboratory fatigue testing, the term scatter was used to describe the variability of results, or the fact that not all...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870325
EISBN: 978-1-62708-344-7
... of Engineered Ceramics Fiber Reinforcement Fracture Strength Bending versus Axial Strength Thermal Shock Fracture Toughness Fatigue Crack Initiation and Propagation Fatigue Resistance of Constituent Components Influences of Fibers on Matrix Properties and Behavior Mechanical Effects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... into the cross section of the tooling if they are subjected to tensile stresses during loading [ Knoerr et al., 1994 ]. Thermally induced fatigue fracture occurs when a crack is induced and propagates through a die due to thermal loading. Thermal-induced fatigue fracture is not as common as mechanically...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
... Poor toughness and transient thermal stresses Retire; grind, overbore, or bottle bore cracked areas Improve toughness by control of cleanness, H 2 and temper embrittlement Transverse cracks High-cycle fatigue with or without corrosion assistance Retire; weld repair Need to develop materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... nozzles, heat exchanger heating elements, noniron metallurgy insulating parts, thermal barrier coatings Mechanical Long-term, high-temperature resistance, fatigue, thermal shock, wear resistance Wear parts; sealings; bearings; cutting tools; engine, motor, and gas turbine parts; thermal barrier...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630035
EISBN: 978-1-62708-270-9
... in the beam. Fig. 1 Spontaneous residual stress fracture in a 40-ft-long I-beam under no external load. Source: Ref 1 Residual stresses are defined as those stresses that are internal or locked into a part or assembly, even though the part or assembly is free from external forces or thermal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... weld shape and contour. (a) Undercut and overlapping a fillet weld. (b) Undercut and overlapping in a groove weld. (c) and (d) Underfill in groove welds. Source: Ref 14 Fig. 14 Development of thermal and residual stresses in the longitudinal direction in a 100 mm (4 in.) diameter steel bar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
..., there are some constant elements that have a favorable effect, including enhancing treatments such as thermal, thermochemical, as well as surface work hardening. In order to increase fatigue resistance, it is not sufficient to apply a chosen enhancement treatment. Rather, it is important to select...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240265
EISBN: 978-1-62708-251-8
... , Mechanical Testing and Evaluation , Vol 8 , ASM Handbook , ASM International , 2000 9. Weronski A. and Hejwowski T. , Thermal Fatigue of Metals , Marcel Dekker, Inc. , 1991 , p 83 Selected References Selected References • Ashby M.F. and Jones D.R.H...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870267
EISBN: 978-1-62708-344-7
... (conventionally cast) and directional polycrystalline (directionally solidified) WAZ-20 at 15 ksi. Source: Ref 11.21 Fig. 11.15 Thermal fatigue performance of conventionally cast and directionally solidified [001] nickel-base alloy MAR-M 200. Source: Ref 11.19 Fig. 11.17 Flow lines...