Mixed Mode I/II fracture toughness of 2034 aluminum alloys

Journal Article · Mon Jan 01 04:00:00 EST 1996 · Acta Materialia

DOI:https://doi.org/10.1016/1359-6454(95)00169-8· OSTI ID:271703

Kamat, S V; Hirth, J P ^[1]

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1. Washington State Univ., Pullman, WA (United States). Mechanical and Materials Engineering Dept.

The mixed Mode I/II fracture toughnesses of two 2034 Al type alloys with different manganese contents were evaluated. The mixed Mode I/II fracture behavior of the two alloys was found to be different. Alloy I which had <0.1 wt % Mn content exhibited a significant reduction in total fracture toughness with increasing Mode II loading contribution whereas Alloy 2 which had 1.08% Mn content showed only a marginal reduction in total fracture toughness under mixed Mode I/II loading. The results are discussed in light of the microstructures, fracture mechanisms and deformation field ahead of the crack tip under mixed mode loading and are compared to earlier results on Mode I/III fracture.

• OSTI ID: 271703
• Journal Information: Acta Materialia, Journal Name: Acta Materialia Journal Issue: 1 Vol. 44; ISSN XZ504Y; ISSN 1359-6454
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM BASE ALLOYS
CHEMICAL COMPOSITION
COPPER ALLOYS
DEFORMATION
FRACTURE MECHANICS
FRACTURE PROPERTIES
GRAIN SIZE
INTERMETALLIC COMPOUNDS
MAGNESIUM ALLOYS
MANGANESE ALLOYS
MICROSTRUCTURE
PARTICULATES
THERMOMECHANICAL TREATMENTS
ZIRCONIUM ALLOYS