Evaluation of a Method of Test for Plane Strain Fracture Toughness Using a Bend Specimen

RH Heyer; DE McCabe

doi:10.1520/STP33658S

SYMPOSIA PAPER Published: 01 January 1970

STP33658S

Evaluation of a Method of Test for Plane Strain Fracture Toughness Using a Bend Specimen

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A task group of ASTM Committee E-24 conducted an interlaboratory test program on determination of K_Ic using the proposed “Recommended Practice for Plane Strain Fracture Toughness Testing of High-Strength Metallic Materials Using a Fatigue-Cracked Bend Specimen.”

Analysis of K_Ic data for an aluminum alloy and two high-strength alloy steels showed that laboratory mean values were within ±10 percent of grand mean values. Replication was generally satisfactory, although not as good as for smooth specimen tension tests.

Information obtained on fatigue cracking and other details of the procedure will be useful in planned revisions, leading to a standard method of test.

Author Information

Heyer, RH

ASTM, Middletown, Ohio

McCabe, DE

ASTM, Middletown, Ohio

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Details

Developed by Committee: E08

Pages: 22–41

DOI: 10.1520/STP33658S

ISBN-EB: 978-0-8031-4585-6

ISBN-13: 978-0-8031-0037-4

Evaluation of a Method of Test for Plane Strain Fracture Toughness Using a Bend Specimen

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