Download An Introduction to the Development and Use of the Master by D. E. McCabe, J. G. Merkle, K. Wallin PDF

By D. E. McCabe, J. G. Merkle, K. Wallin

This new ASTM handbook introduces the idea that of the grasp Curve process so it may be understood and utilized by engineers who've had constrained publicity to elastic-plastic fracture mechanics and/or complicated statistical equipment. It addresses the sensible design-related challenge of defining the ductile-to-brittle fracture transition temperature of structural steels at once by way of fracture mechanics info. issues disguise: • history and old points • info validity standards imposed on attempt facts, and the variety of facts required to represent a statistically useable facts set for picking a reference temperature, To • try specimens that may be used to enhance legitimate KJc • Fixturing and try apparatus wishes • education of specimens (precracking and side-grooving) for checking out • try out machines, their mode of operation, and suggested specimen loading premiums • all the info had to calculate values of KJc • Scale parameter statistical equations for fabric checking out • moment alternative for calculating the To temperature that's useable whilst KJc information were generated at quite a few try out temperatures • How the variety of KJc values is dealt with utilizing the three-parameter Weibull version • info on options below research • short dialogue of vital issues inquisitive about at once employing grasp Curve fracture sturdiness info to the fracture-safety research of exact constructions

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Extra info for An Introduction to the Development and Use of the Master Curve Method (ASTM Manual) (Astm Manual Series, Mnl 52)

Sample text

Read, D. , and Schwalbe, K. , "Interpretation of Fracture Toughness in the Ductile to Brittle Transition Region by Fractographic Observations," ES~SIEGF9, 1991, pp. 659-678. [16] Landes, J. D. and McCabe, D. , "Effect of Section Size on Transition Temperature Behavior of Structural Steel," ASTM STP 833, ASTM International, West Conshohocken, PA, 1984, pp. 378-392. , "The Scatter in K~c Results," Engineering Fracture Mechanics, Vol. 19, No. 6, 1984, pp. 1085-1093. org [18] Van Der Sluys, W. A.

Pre-cracking of 1T size specimens is expected to take about 1 x 105 to 2 x 105 cycles. On occasion, some steels will be encountered that do not develop fatigue pre-cracks using the above Km~x levels recommended. In such a case, test the particular steel for crack growth rate using ASTM Standard E 647 [25]. 1). 64 m m of pre-crack at this Kmax level. The pre-cracking recommendations of Standard E 1921 have not been stated completely herein, since the pre-cracking provisions are undergoing revisions at the present time.

A. and Miglin, M. , "Results of MPC/JSPS Cooperative Testing Program in the Brittle-to-Ductile Transition Region," Fracture Mechanics, ASTM STP 1207, ASTM International, West Conshohocken, PA, 1994, pp. 308-324. [19] ASTM Standard E 1921-03, "Standard Test Method for Determination of Reference Temperature, To, for Ferritic Steels in the Transition Range," Annual Book of ASTM Standards, Vol. 01, ASTM International, West Conshohocken, PA, 1998. , "Master Curve Analysis of Ductile to Brittle Transition Region Fracture Toughness Round Robin Data (The EURO Fracture Toughness Curve)," V1-F Publications 367, Espoo Finland, 1998.

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