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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780199
EISBN: 978-1-62708-281-5
... Abstract This article describes the general aspects of and practical problems of failure analysis of creep, stress relaxation, and yielding for homogeneous polymers. The effect of temperature and strain rate on the relationship between yield point and elastic modulus and the aging effect...
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
... and low rupture ductility. Source: Ref 1 Since the creep and stress-rupture tests are similar, there are a number of empirical relationships that relate steady-state creep rate, ε ˙ s , to rupture life, t R . Monkman and Grant ( Ref 2 ) developed one that implies an inverse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... images, diagrams, and explanations. It discusses the various factors that influence strength and ductility, including grain size, loading rate, and temperature. It also provides information on the origin of residual stresses, the concept of toughness, and the damage mechanisms associated with creep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
.... (a) Strain curve for the three stages of creep under constant-load testing (curve A) and constant-stress testing (curve B). (b) Relationship of strain rate, or creep rate, and time during a constant-load creep test. The minimum creep rate is attained during second-stage creep. Source: Ref 1...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... (~0.3 to 0.5 T M ). Factors such as time-temperature exposure, geometry, and grain structure affect creep behavior. Creep rate will actually decrease with increased grain size. Some components such as turbine blades are processed to form a single-grain (crystal) structure, which has good creep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
.... For example, under constant-displacement conditions load relaxation occurs ( Fig. 6.7 ), whereas under constant-load conditions elevated creep rates result, and cracking is enhanced. Fig. 6.7 Effects of radiation-induced creep on load relaxation of stainless steel at 288 °C (550 °F). Source: Ref 6.82...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230209
EISBN: 978-1-62708-298-3
... Abstract This chapter describes the effect of processing variables on the mechanical properties of beryllium, including tensile and yield strength, fracture toughness, creep and fatigue strength, ductile-to-brittle transition, and notch sensitivity. It also discusses the effects of chemical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
..., and ductility as well as creep, fatigue strength, and fatigue crack growth rate. It also discusses the influence of other titanium phases and the properties of titanium-based intermetallic compounds, metal-matrix composites, and shape-memory alloys. alloy composition alpha titanium alloys alpha-beta...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
... range is what needs to be extended, and nanostructured fine-grain alloys are not likely to meet the demands of improved high-temperature creep resistance. Rapid-solidification rate (RSR) processing is a separate category from nanostructured materials but is related in the sense that microstructures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... strain, plastic strain, and residual stress responses. It also describes the difference between smooth and precracked specimens and how they are used, provides information on slow-strain-rate testing and how to assess the results, and discusses various test environments and procedures, including tests...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540281
EISBN: 978-1-62708-309-6
... on time-dependent fracture mechanics. It also introduces two new fracture indices, the J-integral for handling large-scale yielding and the C*-integral for creep crack growth, providing close-form and handbook solutions for each. C*-integral creep crack growth rate J-integral nonlinear fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
... is recorded. So-called minimum or secondary creep rates may be reported. Time to reach a fixed value of strain often is recorded. Extrapolation and interpolation of data are required to cover the desired range of design conditions. Frequently, only the failure time and elongation are recorded. Such tests...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280135
EISBN: 978-1-62708-267-9
... such changes are required. It describes several types of treatments, including stress relieving, in-process annealing, full annealing, solution annealing, coating diffusion, and precipitation hardening. It discusses the temperatures, holding times, and heating and cooling rates necessary to achieve the desired...
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
..., pressure, and strain rate influence microstructure and properties and provides recommended ranges for commonly formed and forged titanium alloys. forging forming titanium alloys MANUFACTURING PROCESSES such as die forging, hot and cold forming, machining, chemical milling, joining...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000017
EISBN: 978-1-62708-313-3
... for this alloy ( Ref 1 ). Creep rates and stress rupture are likewise affected by precipitate dissolution. Fig. 3.3 Mechanical properties of solid-solution-hardened and aged Inconel 718. Source: Ref 4 Oxide dispersion strengthening (ODS) is a mechanism similar to PH, except that the strengthening...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000109
EISBN: 978-1-62708-312-6
... stainless steel. creep rate ductility hardness powder metal stainless steel stress rupture tensile strength yield strength STAINLESS STEELS, wrought or powder metallurgy (PM), are primarily selected for their corrosion resistance and physical properties. Nevertheless, for a large majority...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... thermal expansion and contraction into account. For example, expansion loops and bellows in elevated-temperature piping and tubing systems take advantage of this principle. Creep deformation is a permanent strain that a material undergoes if it is subjected to a sustained stress. The rate at which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780146
EISBN: 978-1-62708-281-5
... plastic pressure pipes are made to the extremely soft, flexible material from which medical tubing is made through the judicious use of plasticizers ( Ref 41 ). However, the plasticization effect reduces both tensile strength and stiffness of the affected plastic and also accelerates the creep rate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... Point ‘A’ , Proc. Inst. Mech. Eng. , Vol 186 , 1972 , p 341 – 377 10.1243/PIME_PROC_1972_186_037_02 39. Kramer L.D. and Randolph D. , Analysis of TVA Gallatin No. 2 Rotor Burst: Part 1—Metallurgical Considerations , Proc. 1976 ASME-MPC Symposium on Creep-Fatigue Interaction , p...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060049
EISBN: 978-1-62708-261-7
...-dependent plastic deformation that occurs when a material is subjected to constant nominal stress. The rate of creep deformation depends not only on the magnitude of the applied stress, but also on time and temperature. Continuing creep deformation over time ultimately leads to creep rupture , also known...