... Alloy AA6061-T6 (40 ksi yield strength) is used where corrosion resistance is ... was to develop a fabrication route for the production of fuel tank hull ...
DTIC Science & Technology
The grain boundary crystallographic misorientations of magnetic-pulse-welded (MPW) aluminum alloy (AA) 6061-T6 in linear and tubular configurations were examined using the electron backscattered diffraction (EBSD) technique. A refined structure of heavily deformed grains with higher grain boundary angles was ...
Energy Citations Database
... 3al(see ti-3al-13v-11cr), ti-6al-4v, aa 2014-t6, aa 2024-t3, aa 2219-t851, aa 6061-t6, aa 7075-t6, cda 706, custom 450, incoloy 901, inconel 718 ...
Accumulative back extrusion (ABE) is a kind of severe plastic deformation process to refine the microstructure, resulting in significant improvement in mechanical properties. In the present study, AA6061-T6 alloy was subjected to a newly designed ABE process at room temperature. One cycle of ABE was employed to the ...
NASA Astrophysics Data System (ADS)
The design of space systems and associated equipment has to be based on fracture control principles to prevent failure of certain structural items resulting in catastrophic or critical events. In order to prevent such catastrophic hazards from occurring, use of containment design is an attractive option. A simplified analytical method for verification of containment is developed and described. ...
Esta fotograf?a tiene como marco el arco contriudo en el campo santo de la destruida ciudad de Armero en Colombia por la avalancha despu?s del deshielo del ...
NASA Website
In micro-hot embossing of polymeric micro-devices, e.g. microfluidic devices, the quality of the mold plays an important role in determining not only the product quality but also the overall production cost. Often the mold is made of silicon, which is brittle and fails after producing a limited number of parts. Metallic molds produced by micro-machining have a much longer life; however, the ...
This report presents the results of the initial characterization of a plasma jet projected for diamond thin film deposition. The temperature and density profiles were measured with a double electrostatic probe. A conceptual project involving the design of...
National Technical Information Service (NTIS)
dois grafos (digrafos) G 1 e G 2 , denotado por G 1 [G 2 , 'e o grafo (digrafo) cujo conjunto de v'ertices 'e VG1 [ VG2 e cujo conjunto de arestas (arcos) 'e AG1 [ AG2 . Analogamente, a interse�c~ao de dois grafos (digrafos) G 1 e G 2 , denotado por G 1 `` G 2 , 'e o grafo (digrafo) cujo conjunto de v
E-print Network
With a focus to develop a quantitative understanding of the FSW process, a comprehensive three dimensional heat transfer and plastic flow model is developed. The model can predict variables such as temperature and velocity fields and torque based on the given welding parameters like weld velocity, tool rotational speed and axial pressure. It considers tool design dependent spatially variable heat ...
Samples from a single drilling made at Arco, Idaho were submitted to determine the adsorptive capacity of soil at Arco, Idaho for radioactive elements.
This impact evaluation of an energy conservation measure (ECM) that was recently installed at ARCO Petroleum Products Company (ARCO) was conducted for the Bonneville Power Administration (Bonneville) as part of an evaluation of its Energy $avings Plan (E$...
30 Ago 2010 ... el SDO destruye un arco irisEl Observatorio de Din?mica Solar, de la NASA, ... explica Lee Cowley, quien es experto en ?ptica atmosf?rica. ...
... data. v1 Page 17. Index #: 3 .. Agency: ARCO Alaska, Inc. 2 ... MMS. 0 20 Page 26. Index #: 12 . 1. Agency: ARCO Alaska, Inc. 2 ...
The evolution of integrated photovoltaic (PV) panel design at ARCO Solar is discussed. Historically,
NASA Technical Reports Server (NTRS)
... and estimation of the yield of nuclear and chemical explosions. ... It was digitized from a photocopy of a map whose sponsors were: Agip, Amoco, Arco ...
... coauthors describe special hydrocarbon seep environments on ... organisms and the seeps produces large ... and Robert Loucks, ARCO Oil and Gas ...
The status of technological developments in silicon wafer production is summarized. Wafer growing and casting/sawing methods are considered.
... osyroides) are found around the Ladera de G��mar (Arco Aguilar 1983; M. Arco Aguilar, pers. comm. 1998), an area that was ... indicated where these have been recorded (Lems 1958; Arco Aguilar 1983; Su�rez...
NBII National Biological Information Infrastructure
This report describes the results of a two-year, in-service test of Copper-Nickel (Cu-Ni) panels emplaced on the underwater hull surfaces of the SS ARCO TEXAS. Four groups of Cu-Ni test panels were installed on the SS ARCO TEXAS, a crude oil tanker. Each ...
Arco Oil and Gas Co. will attempt to produce an oil seep in California's Santa Barbara Channel. The seep that occupies Arco's attention is in ca. 240 ft of water on the floor of the channel. It is not that the economics suddenly are so good that it is attractive to attempt to produce a seep, even though the seep in question is a fairly ...
