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fracture toughness test method

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610101
EISBN: 978-1-62708-303-4
... with the steps involved in determining strain energy release rates, stress intensity factors, J-integrals, R-curves, and crack tip opening displacement parameters. It also covers fracture toughness testing methods and the effect of measurement variables. crack tip opening displacement elastic-plastic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860269
EISBN: 978-1-62708-348-5
... Ic and K Ic ( J ) may be clarified by consideration of their test methods. 8.4.1 Linear Elastic Fracture Toughness A standard test method, ASTM E 399 ( Annual Book of ASTM Standards , 1981b), is used to measure plane strain fracture toughness, K Ic . The standard is designed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780211
EISBN: 978-1-62708-281-5
... Abstract This article briefly describes the historical development of fracture resistance testing of polymers and reviews several test methods developed for determining the fracture toughness of polymeric materials. The discussion covers J-integral testing, the methods for determining linear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930113
EISBN: 978-1-62708-359-1
... toughness to avoid unstable fractures. Fig. 19 Example of brittle fracture in ship structures The Charpy test evaluates both the initiation of brittle fracture as well as its subsequent propagation. The significance attached to controlling fracture initiation or propagation has influenced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930163
EISBN: 978-1-62708-359-1
... interpretation of the meaning of this scatter. One of the things that has slowed progress in the application of fracture mechanics to weldments in the U.S. is the lack of a standard test procedure. Although it was assumed that the general fracture toughness test methods could apply to weldments as well...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540169
EISBN: 978-1-62708-309-6
... of the load-displacement curve until the area under the linear portion equals the area to the maximum load of the test. Then a fracture toughness value, K-EE , is recalculated by using P E . In addition to reinterpreting E 399 test results, this method can be used to run tests using subsize specimens...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
....) The investigation of these brittle fractures led to new methods to evaluate notch toughness. What engineers needed was a toughness measure that could be determined using a simple laboratory test and could be used in a quantitative way to predict the flaw size at which fracture would occur in components containing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... the fatigue life of welded joints and discusses the factors that can reduce the fracture toughness of weld metals. bolted joints fatigue life fracture toughness rivets welded joints FAILURE IN ENGINEERING STRUCTURES are still common today, despite the fact that modern tools for designing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... Abstract This chapter explains how metallography and hardness testing are used to evaluate the quality and condition of metal products. It also discusses the use of tensile testing, fracture toughness and impact testing, fatigue testing, and nondestructive test methods including ultrasonic, x...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870201
EISBN: 978-1-62708-344-7
... stresses are in the tensile test. Therefore, if the material displays ductility in the tension test, it will also tear at the crack tip when such cracks are present. Thus, ductile tearing is the common failure mode in this structure and plane-stress fracture toughness has little meaning for materials other...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140301
EISBN: 978-1-62708-335-5
... are presented in this volume. In general, the specimens as well as the test procedures conformed to the respective ASTM Standard Methods at the time the test were made, the only exceptions being the rotating beam fatigue specimens and tests for which no ASTM standards exist. Some general comments on the five...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490021
EISBN: 978-1-62708-340-9
... comparing Charpy results (a dynamic test) with K Ic values obtained from static tests, one should compensate for the strain-rate dependence of K Ic in some fashion. Many investigators have reported correlations between Charpy results and the dynamic fracture toughness K Id . Again, a method of translating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090443
EISBN: 978-1-62708-266-2
... testing Specific Test Methods ASTM E399-12e3: Standard test method for linear-elastic plane-strain fracture toughness of K Ic of metallic materials (gives sample dimensions and methods utilized to obtained threshold and crack growth rate data during stress corrosion testing). ASTM E1682-02...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
... a growing indenter contact area, yielding, and large-displacement and large-strain deformation. References 13 to 15 provide more details on these events and their effects on the test data. Fracture Mechanics Another way to evaluate the toughness of materials is by fracture toughness testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
.... The chapter describes some of methods used to determine maximum permissible crack size and predict growth rates. It explains how the information can then be used to control fractures through periodic inspection, fail-safe features, mandated retirement, and proof testing. It presents a number of fracture...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240221
EISBN: 978-1-62708-251-8
... toughness of steels, aluminum alloys, and titanium alloys. fracture ductile fracture brittle fracture Griffith theory plane-strain fracture toughness temperature steels aluminum alloys titanium alloys notched bar impact testing microstructure FRACTURE is the separation of a solid body...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... Standard Test Method for Determination of Slow Crack Growth Parameters of Advanced Ceramics by Constant-Stress Rate Flexural Testing at Ambient Temperature C 1421 Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature Japanese Standards Association...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860371
EISBN: 978-1-62708-348-5
... of the notch ( Handbook on Materials for Superconducting Machinery , 1977 ). J -integral methods (see Chapter 8 ) have been used to measure the fracture toughness of AISI grades 310 and 316 at temperatures to 4 K. As shown in Fig. 11.7 , the toughness, K Ic ( J ), at cryogenic temperatures exceeds...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... analysis. composites fracture toughness testing peel testing shear testing specimen preparation tension testing WHEN HIGH-STRENGTH composites were first developed in the 1960s, the same test methods for homogeneous and isotropic metals were initially used; however, since composite materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.9781627082662
EISBN: 978-1-62708-266-2