ASTM E 1304, The New Standard Test for Plane-Strain (Chevron-Notched) Fracture Toughness PDF Download
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Author: LM. Barker Publisher: ISBN: Category : Chevron-notched specimens Languages : en Pages : 11
Book Description
The origins and rationale for the three plane-strain fracture toughnesses defined by the new ASTM Test Method for Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic Materials (E 1304-89) are reviewed. KIvM represents the toughness measured in a greatly simplified test, but it can be less accurate than KIv and KIvj. The test for KIv is complete with all the procedures and validity criteria necessary to assure accurate measurements of plane-strain critical stress-intensity factors. When a material exhibits a crack-jump behavior, the KIv procedure must be modified, and the toughness is called KIvj. This paper suggests that ASTM E 1304-89 toughness measurements can be used for the full range of applications appropriate to KIc values measured by the ASTM Test Method for Plane-Strain Fracture Toughness of Metallic Materials (E 399-83). However, a material-dependent constant, equal to about three times the ctack-tip plastic zone radius, should be added to the preexisting flaw size in calculations of crack stability.
Author: LM. Barker Publisher: ISBN: Category : Chevron-notched specimens Languages : en Pages : 11
Book Description
The origins and rationale for the three plane-strain fracture toughnesses defined by the new ASTM Test Method for Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic Materials (E 1304-89) are reviewed. KIvM represents the toughness measured in a greatly simplified test, but it can be less accurate than KIv and KIvj. The test for KIv is complete with all the procedures and validity criteria necessary to assure accurate measurements of plane-strain critical stress-intensity factors. When a material exhibits a crack-jump behavior, the KIv procedure must be modified, and the toughness is called KIvj. This paper suggests that ASTM E 1304-89 toughness measurements can be used for the full range of applications appropriate to KIc values measured by the ASTM Test Method for Plane-Strain Fracture Toughness of Metallic Materials (E 399-83). However, a material-dependent constant, equal to about three times the ctack-tip plastic zone radius, should be added to the preexisting flaw size in calculations of crack stability.
Author: Satya N. Atluri Publisher: ASTM International ISBN: 0803114400 Category : Elasticity Languages : en Pages : 448
Book Description
Papers of the June 1990 meeting held in Atlanta, Ga. The first volume (47 papers) concentrates on experimental and theoretical aspects of fracture mechanics. Volume two (26 papers) covers numerical and computational approaches. Topics include: ductile fracture, high-temperature and time-dependent fr
Author: JW. Bray Publisher: ISBN: Category : Aluminum alloys Languages : en Pages : 13
Book Description
Chevron-notched short bar fracture toughness (KIvM per ASTM E 1304) has been correlated with plane strain fracture toughness (KIc or KQ per ASTM E 399 or ASTM B 645) for commercial 2124-T851, 7050-T7451, 7050-T7651, and 7475-T7351 plate.
Author: Kevin R. Brown Publisher: ASTM International ISBN: 080311480X Category : Fracture mechanics Languages : en Pages : 200
Book Description
Reviews the latest information and experimentation on the fracture-toughness testing of materials using specimens that are chevron notched, a procedure that has been an ASTM standard only since December 1989. The 13 papers were presented at a symposium in Indianapolis, May 1991; they include studies
Author: LM. Barker
Author: LM. Barker
Author: ASTM International
Author: Satya N. Atluri
Author: 
Author: JW. Bray
Author: American Society for Testing and Materials
Author: Kevin R. Brown
Author: ASTM International Committee E08 on Fatigue and Fracture
Author: John H. Underwood
Author: