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Author : Y. Flom
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)
Download or read book Evaluation of Engineering Properties of Al-Li Alloy X2096-T8A3 Ectrusion Products written by Y. Flom and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Y. Flom
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (317 download)
Download or read book Evaluation of Engineering Properties of AL-Li Alloy X2096-T8A3 Extrusion Products written by Y. Flom and published by . This book was released on 1999 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720513124
Total Pages : 46 pages
Book Rating : 4.5/5 (131 download)
Download or read book Evaluation of Engineering Properties of Al-Li Alloy X2096-T8a3 Extrusion Products written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-31 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical, thermal fatigue and stress corrosion properties were determined for the two lots of Al-Li X2096-T8A3 extruded beams. Based on the test results, the beams were accepted as the construction material for fabrication of the Hubble Space Telescope new Solar Array Support Structure.Flom, Y. and Viens, M. and Wang, L.Goddard Space Flight CenterALUMINUM-LITHIUM ALLOYS; SPACECRAFT CONSTRUCTION MATERIALS; HUBBLE SPACE TELESCOPE; BEAMS (SUPPORTS); CORROSION TESTS; FATIGUE TESTS; THERMAL CYCLING TESTS; STRESS CORROSION; THERMAL FATIGUE; MECHANICAL PROPERTIES; THERMODYNAMIC PROPERTIES; SOLAR ARRAYS; EXTRUDING
Author : R. J. Bucci
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (596 download)
Download or read book Cooperative Test Program for the Evaluation of Engineering Properties of Al-Li Alloy 2090-T8X Sheet, Plate and Extrusion Products written by R. J. Bucci and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. C. Malcolm
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (227 download)
Download or read book Evaluation of the Engineering Properties of a Commercially Produced Aluminum Alloy 2020-T651 Plate written by R. C. Malcolm and published by . This book was released on 1981 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Al-Cu-Li alloy 2020 was developed in the 1950's to help satisfy the need for high strength and high modulus of elasticity in an aircraft structural material. The fracture toughness of alloy 2020 is comparatively low compared to other aerospace alloys. This characteristic coupled with manufacturing difficulty eventually led to the withdrawal of alloy 2020 for use in commercial products. Despite this setback, Aluminum alloys containing lithium remain attractive for aircraft applications because in addition to high strength and high elastic modulus, they possess low density and the potential for higher resistance to fatigue. Consequently, current research has been directed toward increasing fracture toughness of Al-Li type alloys into a range acceptable for aircraft use. This report summarizes tensile, fracture toughness and fatigue crack growth properties obtained from a commercially produced lot of aluminum alloy 2020-T651 plate. This characterization is intended to serve as a baseline for alloy development work directed at improving damage tolerant characteristics of Al-Li type alloys. The fracture toughness characterization includes plane-strain fracture toughness (KIc) values, crack growth resistance (R) curves, as well as results from fracture toughness indicator tests; namely, the Kahn-type tear test and the slow bend precrack charpy test. Obtained fatigue crack growth rates traverse the entire range from near-threshold values to the exceedingly high rates encountered as delta K values approach the material toughness. Metallographic characterization of alloy 2020-T651 in addition to fractographic results from a fatigue crack growth test specimen are also included in this report.
Author :
Publisher :
ISBN 13 :
Total Pages : 768 pages
Book Rating : 4.3/5 (243 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2000 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
