Author: Ralph Anthony DaiutoPublisher:
ISBN:
Category :
Languages : en
Pages : 216
Book Description
The effect of thickness of fatigue crack propagation in 7475-T731 aluminum alloy sheet
Author: Ralph Anthony DaiutoPublisher:
ISBN:
Category :
Languages : en
Pages : 216
Book Description
Fatigue and Fracture Mechanics
Author: Kenneth L. JerinaPublisher: ASTM International
ISBN: 0803126174
Category : Technology & Engineering
Languages : en
Pages : 480
Book Description
The Effect of Water Vapor on Fatigue Crack Growth in 7475-t651 Aluminum Alloy Plate
Author: Scientific and Technical Aerospace Reports
Author: Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1126
Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Scientific and Technical Information Output of the Langley Research Center for Calendar Year 1984
Author: Advances in Fatigue Lifetime Predictive Techniques
Author: Michael R. MitchellPublisher: ASTM International
ISBN: 0803114230
Category : Fracture mechanics
Languages : en
Pages : 495
Book Description
Twenty-seven papers from fatigue researchers and practitioners review in detail recent progress in the development of methods to predict fatigue performance of materials and structures and to assess the extent to which these new methods are finding their way into practice. The papers, from the ASTM
Effect of Water Vapor on Fatigue Crack Growth in 7475-T651 Aluminum Alloy Plate
Author: DL. DicusPublisher:
ISBN:
Category : Aluminum alloy
Languages : en
Pages : 21
Book Description
An investigation was performed to assess the effects of water vapor on fatigue crack growth in 7475-T651 aluminum alloy plate at frequencies of 1 and 10 Hz. Twenty-five mm thick compact specimens were subjected to constant amplitude fatigue testing at a load ratio of 0.2. Fatigue crack growth rates were calculated from effective crack lengths determined by using a compliance method. Tests were conducted in hard vacuum and at water vapor partial pressures ranging from 94 Pa to 3.8 kPa.
Plane-Stress Fracture Toughness and Fatigue-Crack Propagation of Aluminum Alloy Wide Panels
Author: D. Y. WangPublisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 16
Book Description
The effects of panel width and crack length on fracture toughness and the fatigue crack propagation rate of Alclad 2024-T3 and X7475 were investigated in sheet specimens ranging from 30 to 120 in. wide. The unstiffened, wide panels containing a through-the-thickness central crack were tested under uniaxial loadings to generate fatigue crack growth, stable crack growth, and residual strength data. In addition, 48-in. wide 7075-T6 and 7079-T6 aluminum alloy panels were tested at -65° F to determine low-temperature effects. The analysis was conducted to define the parameters contributing to the apparent panel size effects and to outline the procedures to obtain valid data applicable to full-scale structural design. Excellent correlation was found in the stable crack growth resistance curve (KR versus ?a) data obtained from panels of various width which contained initial crack lengths ranging from 3.6 to 30 in. The results suggest that the crack growth resistance curve is a material parameter which is independent of crack length and panel width under an appropriate test condition. The effects of -65° F significantly reduce fatigue crack propagation resistance at a relatively high ?K level and stable static crack growth resistance of some aluminum alloy sheets.
Effect of Specimen Thickness on Fatigue-crack-growth Behavior and Fracture Toughness of 7075-T6 and 7178-T6 Aluminum Alloys
Author: Charles Michael HudsonPublisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 44
Book Description
Author: