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fracture resistance

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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...
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Published: 01 November 2012
Fig. 7 Microstructural features responsible for fracture resistance as a function of crack length ( R -curve effects). Source: Ref 7 More
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Published: 01 January 2017
Fig. 3.27 Stress-corrosion cracking resistance and fracture toughness of HP 9-4-45 steel. Source: Ref 3.6 More
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Published: 01 January 2017
Fig. 3.28 Stress-corrosion cracking resistance and fracture toughness of 18Ni maraging steel. Source: Ref 3.6 More
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Published: 01 January 2017
Fig. 3.43 Stress-corrosion resistance and fracture toughness of AISI 4130 and 4140 steels. Source: Ref 3.6 More
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Published: 01 December 1989
Fig. 2.15. Resistance-curve schematic of the fracture process ( Ref 49 to 51 ). More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900165
EISBN: 978-1-62708-358-4
... Abstract The shock-resisting tool steels, designated as group S steels in the AISI classification system, have been developed to produce good combinations of high hardness, high strength, and high toughness or impact fracture resistance. This chapter describes the alloying effects of silicon...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340165
EISBN: 978-1-62708-427-7
... Abstract Forged aluminum products vary widely in their production methods and applications. The forging process allows for control of microstructure and directional properties, and their fatigue and fracture resistance are superior to shape castings. This chapter presents the types, equipment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900325
EISBN: 978-1-62708-358-4
... processing and heat treatment problems. In addition to fracture problems, distortion is discussed. Fracture and Toughness of Tool Steels: General Considerations Tool steels must have very high strength, hardness, and wear resistance. These properties are inconsistent with high toughness or fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170123
EISBN: 978-1-62708-297-6
... of alloying on structure and composition and explains how alloy content can be controlled to optimize properties and behaviors such as ductility, strength, toughness, fatigue and fracture resistance, and resistance to corrosion, wear, and high-temperature creep. It also examines the effect of alloying...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140069
EISBN: 978-1-62708-335-5
... physical properties; typical and minimum (design) mechanical properties; fatigue strength; fracture resistance, including subcritical crack growth; and resistance to general corrosion and to stress-corrosion cracking. The chapter concludes with information on the properties of cast aluminum matrix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900125
EISBN: 978-1-62708-358-4
... steels, it gives no information on toughness or fracture resistance. Fig. 7-2 shows a map of the types of fracture that develop in low-temperature-tempered (LTT) martensitic steels as a function of carbon content. The diagram is based on fracture that results from tensile loading or from loading under...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... ALTHOUGH VIRTUALLY ALL design and standard specifications require the definition of the tensile properties for a material, these data are only partly indicative of mechanical resistance to failure in service. Except for those situations where gross yielding or highly ductile fracture represents limiting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860269
EISBN: 978-1-62708-348-5
... is frequently used to characterize materials even when a thorough structural analysis is not conducted. Fracture mechanics is the study of the influence of loading, crack size, and structural geometry on the fracture resistance of materials containing natural flaws and cracks. When applied to design...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170337
EISBN: 978-1-62708-297-6
.... The embrittlement involves the reaction of water vapor in air with reactive elements (aluminum, for example) in intermetallics to form atomic hydrogen, which drives into the metal and causes premature fracture. Thus, the poor fracture resistance and limited fabricability have restricted the use of aluminides...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410439
EISBN: 978-1-62708-265-5
... microstructure to resist fracture. Many factors in addition to microstructure affect whether a steel will have high or low toughness, and these factors are incorporated into the many tests used to evaluate fracture behavior. Charpy V-notch (CVN) testing evaluates the effect of high strain rate loading...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... < d R d c where dK / dc and dR / dc are the derivatives of the stress-intensity factor K and the fracture resistance of the material R , with respect to the crack length c , respectively. Equations 3 and 4 can be illustrated as a fracture resistance or R -curve, as shown...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930249
EISBN: 978-1-62708-359-1
... selection of preheat and welding parameters: whereas higher heat inputs and preheats can reduce weld cracking in some ferritic stainless steels, grain growth in the weld HAZ can occur. Excessive grain growth can produce losses in fracture toughness, ductility, and corrosion resistance. Under some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540411
EISBN: 978-1-62708-309-6
... A8.2. Evall J.C. , Brussat T.R. , Liu A.F. , and Creager M. , “ Engineering Criteria and Analysis Methodology for the Appraisal of Potential Fracture Resistant Primary Aircraft Structure ,” Report AFFDL-TR-72-80, Air Force Flight Dynamics Laboratory , 1972 10.21236/AD0757870...
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
... of K that corresponds to the critical value of applied stress, σ c . This critical value of K is called the fracture toughness, K c , and is simply: (Eq 13.13) K c = Y σ c π a Fracture toughness, K c , is a measure of a material resistance to brittle fracture when...