Now showing items 14-33 of 80

    • Bulk Properties of Powders 

      John W. Carson and Brian H. Pittenger (2013-12-03)
      THE P/M INDUSTRY has grown considerably in the past decade. As a result of this growth, more critical components in the automotive, aircraft, tooling, and industrial equipment industries are being considered for manufacture ...
    • Chromate Conversion Coatings 

      Unknown author (2013-12-03)
    • Cold Extrusion 

      M. Bhupatiraju and R. Greczanik (2013-12-03)
      COLD EXTRUSION is a push-through compressive forming process with the starting material (billet/slug) at room temperature. During the process, however, the deforming material undergoes deformation heating (conversion of ...
    • Color Metallography 

      George F. Vander Voort (2013-12-03)
      The use of color in metallography has a long history, with color micrographs published over the past eighty-some years. A number of general articles have been published reviewing methods and applications. Natural color is ...
    • Color Metallography 

      Mario Epler (2013-12-03)
      Precipitation reactions are of great importance in engineering alloys. This general phenomenon occurs in many different alloy systems when one phase transforms into a mixed-phase system as a result of cooling from high ...
    • Comparison of experimental, calculated and observed values for electrical and thermal conductivity of aluminium alloys 

      P. Olaffsson; R. Sandstrom; A. Karlsson (2013-12-03)
      A model has been developed for calculating the electrical resistivity of commercial aluminium alloys from composition and heat treatments using the Matthiessen rule. The model is based on the approximation that the solubility ...
    • Constitution of Alloys, 

      J E Hatch (2013-12-03)
      Most of the metallic elements readily alloy with aluminum, but only a few are important major alloying ingredients in commercial aluminum-based alloys. Nevertheless, an appreciable number of other elements serve as ...
    • Conventional Aluminum Powder Metallurgy Alloys 

      Unknown author (2013-12-03)
      P/M technology can be used to refine microstructures compared with those made by conventional ingot metallurgy (I/M), which often results in improved mechanical and corrosion properties. Microstructural refinement by P/M ...
    • The corrosion of 6061 aluminum under heat transfer conditions in the ANS corrosion test loop, 

      R. E. Pawel; G. L. Yoder; D. K. Felde; B. H. Montgomery; M. T. McFee (2013-12-03)
      The corrosion of aluminum alloy fuel cladding in ultrahigh flux research reactors such as the Advanced Neutron Source may pose special temperature and structural problems associated with the buildup of reaction products ...
    • Deformation Processing 

      FC Campbell (2013-12-03)
      Metalworking processes are commonly classified as either hot working or cold working operations. Primary metalworking processes, such as the bulk deformation processes used to conduct the initial breakdown of cast ingots, ...
    • The development of hardness homogeneity in aluminum and an aluminum alloy processed by ECAP 

      Cheng Xu; Terence G. Langdon (2013-12-03)
      Equal-channel angular pressing (ECAP) is an effective fabrication process for obtaining ultrafine-grained materials. This paper examines the development of homogeneity in materials processed by ECAP with emphasis on samples ...
    • Enhancement of strength and superplasticity in a 6061 Al alloy processed by equal-channel-angular-pressing 

      W.J. Kim; J.K. Kim; T.Y. Park; S.I. Hong; D.I. Kim M; Y.S. Kim; J.D. Lee (2013-12-03)
      Pre-equal-channel-angular-pressing (ECAP) solution treatment combined with post-ECAP aging treatment has been found to be effective in enhancing the room-temperature strength of 6061 aluminum alloy. The largest increase ...
    • Evaluation of mechanical properties of porous 6061 alloys fabricated by the powder compression and induction heating process 

      S.W. Youn and C.G. Kang (2013-12-03)
      The purpose of this study is to evaluate the mechanical properties of 6061 Al foam products, which were fabricated by the powder compression and multistep induction heating method, and to build the database necessary for ...
    • Experimental analysis and thermodynamic calculation of the structural regularities in the fusion diagram of the system of alloys Al-Mg-Si, 

      O. M. Barabash; O. V. Sulgenko; T. N. Legkaya (2013-12-03)
      Sections of the phase diagram Al-Mg-Si with up to 35 at.% magnesium and 35 at.% silicon are constructed. The thermodynamic calculation and experimental analysis have shown that the conode of three-phase eutectic equilibrium ...
    • Extrusion of Aluminum Alloys 

      W.Z. Misiolek (2013-12-03)
      ALUMINUM AND ALUMINUM ALLOYS are very suitable for extrusion and many types of profiles can be produced from easily extrudable alloys. 6061 mentioned four times.
    • Fatigue Strengths of Wrought Aluminum Alloys (Approximate Average Values as Determined in Tests of Smooth and Notched R.R. Moore Rotating Beam Fatigue Machines) 

      J.G. Kaufman (2013-12-03)
      Fatigue strengths of selected aluminum alloys as determined in tests of smooth and notched R.R. Moore Rotating Beam Fatigue Machines after various numbers of cycles. Multiple 6061 entries for various tempers and product forms.
    • Finite Element Method Applications in Bulk Forming 

      S.-I. Oh; J. Walters; W.-T. Wu (2013-12-03)
      Metalworking, with its thousands of years of history, is one of the oldest and most important materials processing technologies. During the last 30 years, with the continuous improvement of computing technology and the ...
    • Forging and Hot Pressing 

      Howard A. Kuhn (2013-12-03)
      POWDER FORGING AND HOT PRESSING processes are similar in terms of their external physical characteristics. Each process involves the simultaneous application of pressure and heat to consolidate powders to full, or nearly ...
    • Forging of Aluminum Alloys 

      G.W. Kuhlman (2013-12-03)
      ALUMINUM ALLOYS are forged into a variety of shapes and types of forgings with a broad range of final part forging design criteria based on the intended application. Aluminum alloy forgings, particularly closed-die forgings, ...
    • Forging of Discontinuously Reinforced Aluminum Composites 

      A. Awadallah; J.J. Lewandowski (2013-12-03)
      DISCONTINUOUSLY REINFORCED aluminum (DRA) alloy metal-matrix composites (MMCs) represent an advanced aluminum materials concept whereby ceramic particles, or whiskers, are added to aluminum-base alloys through the use of ...