Abstract: Refractory metal oxide particles are dispersed in an aluminum melt which is then cast to form a dispersion hardened aluminum alloy composition. A master mix of carrier metal particles surrounding individual oxide particles is pressed into a billet. The billet is dissolved in the melt in the presence of a wetting metal.

Abstract: A composite material is made from silicon carbide and/or silicon nitride short fibers embedded in a matrix of metal. The metal is an alloy consisting essentially of between approximately 2% to approximately 6% of copper, between approximately 0.5% to approximately 3% of silicon, and remainder substantially aluminum. The short fibers may be all silicon carbide short fibers, or may be all silicon nitride short fibers, or may be a mixture of silicon carbide and silicon nitride short fibers. The fiber volume proportion of the silicon carbide and/or silicon nitride short fibers may desirably be between approximately 5% and approximately 50%, and may more desirably be between approximately 5% and approximately 40%.

Abstract: An aluminum offset coil, having a surface zone of a predominantly recrystallized globular, fine grain structure, and a core zone of a greatly work-hardened structure, for use in offset printing plates, and a process for its preparation.

Abstract: Structural streaking defects in anodized aluminum architectural sheet products are substantially reduced or eliminated in 1XXX and 5XXX type aluminum alloys by including therein 0.01 to 0.08% of chromium or manganese, preferably both. It is preferred to combine such with continuously casting the ingot under high chill rate conditions such as employing low liquid metal head within the direct chill mold.

Abstract: A substantially amorphous or microcrystalline Al-based alloy, wherein said Al-based alloy is represented by the formula:Al.sub.a M.sub.b M'.sub.c X.sub.d Y.sub.ein which:a+b+c+d+e=10050.ltoreq.a.ltoreq.95 atom %0.ltoreq.b.ltoreq.40 atom %0.ltoreq.c.ltoreq.15 atom %0.ltoreq.d.ltoreq.20 atom %0.ltoreq.e.ltoreq.3 atom %wherein at least two of the subscripts b, c or d are strictly positive, and wherein M is at least one metal selected from the group consisting of Mn, Ni, Cu, Zr, Cr, Ti, V, Fe and Co; M' is Mo, W, or a mixture thereof, X is at least one element selected from the group consisting of Ca, Li, Mg, Ge, Si, and Zn; and Y is the inevitable production impurities, with the proviso that when element M is Co, Mn and/or Ni, the total amount of these elements is at least 12 wt % of the alloy.

Abstract: Corrosion resistance in a brazed aluminum product is improved by subjecting the product to a heat treatment at a temperature of 300.degree. F. to 800.degree. F. for at least about one hour, preferably preceded by cooling the product to a temperaure below the temperature ultimately selected for the treatment, and in any event below about 550.degree. F. The useful life of brazed products such as automotive radiators is increased several times as a result of this treatment.

Abstract: An alloy for use as a bearing lining on a metal backing comprising, by weight, 1 to 11% silicon, 8 to 35% tin, and 0.2 to 3% copper, the balance being aluminum. The lining is first cast as a billet annealed, cold rolled, annealed and cold rolled a second time and then bonded to the metal backing. The lining optionally carries a soft overlay.

Abstract: An aluminum alloy consisting essentially of about the following percentages of materials:Si=14 to 18Fe=0.4 to 2Cu=4 to 6Mg=up to 1Ni=4.5 to 10P=0.001 to 0.1 (recovered)remainder grain refiner, Al and incidental impurities.

Abstract: The present invention provides a low density aluminum-base alloy, consisting essentially of the formula Al.sub.bal Zr.sub.a Li.sub.b Mg.sub.c T.sub.d, wherein T is at least one element selected from the group consisting of Cu, Si, Sc, Ti, V, Hf, Be, Cr, Mn, Fe, Co and Ni, "a" ranges from about 0.25-2 wt %, "b" ranges from 2.7-5 wt %, "c" ranges from about 0.5-8 wt %, "d" ranges from about 0.5-5% and the balance is aluminum. The alloy has a primary, cellular-dendritic, fine-grained, supersaturated aluminum alloy solid solution phase with intermetallic phases of the constituent elements uniformly dispersed therein. A consolidated article can be produced by compacting together particles composed of the aluminum alloy of the invention in a vacuum at elevated temperature. The compacted alloy is solutionized by heat treatment, quenched in a fluid bath, and optionally, stretched and aged.

Abstract: A method including providing aluminum having particles for stimulating nucleation of new grains, and deforming the aluminum under conditions for causing recrystallization to occur during deformation or thereafter, without subsequent heating being required to effect recrystallization.

Abstract: A high damping capacity alloy comprising of 0.1-95% by weight of Zn and the remainder of Al and, as the case may be, further comprising of 0.1-50% by weight in total of at least one subingredient of Sn, Pb, Sb, Ce, Cu Ta, Ni, Co, Fe, Nb, Zr, Si, Ti, Ca and B, the alloy having a damping capacity of not less than 6.times.10.sup.-3 after cold working with a reduction of area of at least 5%, and a process for producing the same.

Abstract: Aluminum based alloys containing controlled amounts of copper and a reactive metal selected from titanium, zirconium, vanadium and mixtures thereof are suitable for brazing ceramics and other non-metallic and metallic materials.

Abstract: The present invention relates to substantially amorphous or microcrystalline aluminium-base alloys.Such alloys are of the following chemical composition:Al.sub.a M.sub.b M'.sub.c X.sub.d Y.sub.ein which:50.ltoreq.a.ltoreq.95 atom %M representing one or more metals of the group Mn, Ni, Cu, Zr, Ti, V, Cr, Fe and Co with:0.ltoreq.b.ltoreq.40 atom %M' representing Mo and/or W with:0.ltoreq.c.ltoreq.15 atom %X representing one or more elements of the group Ca, Li, Mg, Ge, Si and Zn, with:0.ltoreq.d.ltoreq.20 atom %Y representing the inevitable production impurities such as O, N, C, H, He, Ga, etc . . . , the proportion of which does not exceed 3 atom %.The alloys according to the invention can be produced by means of known methods in the form of wires, strips, bands, sheets or powders in the amorphous or microcrystallized state, the grain size of which is less than 1000 nm, preferably 100 nm.

Abstract: Described is a composite aluminum foil for use as an electrode in an electrolytic capacitor, having an aluminum core layer of purity greater than 99.995% clad on each side with an aluminum outer layer of purity 99.0 to 99.99%, which has a rich proportion of a cubic texture, i.e., a predominant occupancy of the crystallographic plane of Miller indices (100) substantially parallel to the surface of the foil. The core layer may contain both or either of copper and iron in an amount of 10 to 40 ppm.

Abstract: This invention relates to a wrought aluminum alloy, to its use for making semifinished and finished products and to processes of improving the properties, particularly the strength properties, of semifinished and finished products made of that alloy.The efforts to improve the properties of aluminum alloys are often successful but restrict the field of application of the material; this is undesirable in view of the need to save raw materials and energy. For this reason a wrought aluminum alloy is desired which has a very wide field of application and which can be made to have properties in a wide range, possibly as a result of a processing under different conditions. The manufacture and recycling of such alloy should not involve special difficulties and the alloy should require only unproblematic alloying elements which are conventionally used with aluminum.

Abstract: This invention relates to a wrought aluminum alloy, to its use for making semifinished and finished products and to processes of improving the properties, particularly the strength properties, of semifinished and finished products made of that alloy.A wrought aluminum alloy is proposed which contains 1.15 to 2.0% manganese, more than 1.0 and up to 2.0% silicon, 0.25 to 0.65% magnesium, 0.2 to 1.0% iron, not in excess of 0.3% copper, not in excess of 0.2% zinc, not in excess of 0.1% zirconium, not in excess of 0.1% titanium, balance aluminum and other impurities in a total not in excess of 0.2%.

Abstract: A method of producing aluminum tube product suitable for use in heat exchangers is disclosed. The product is characterized by a substantially uniform distribution of relatively fine, generally equiaxed constituents comprised mainly of elemental silicon. The method comprises the steps of providing in billet form a body of aluminum base alloy consisting essentially of 2 to 13 wt. % Si, 0 to 4 wt. % Zn, at least 0.005 wt. % Sr, up to 1 wt. % Fe and up to 1 wt. % Cu, the balance essentially aluminum and incidental impurities and extruding said billet to a final product or after extruding the billet to a thick wall tube, drawing to a final product for use as tubes in a heat exchanger assembly.

Abstract: A wrought aluminum alloy sheet product suitable for forming into heat exchanger fins is disclosed. The sheet product contains essentially 2 to 13 wt. % Si, 4 max, wt. % Zn, 0.005 to 0.5 wt. % Sr, up to 1 wt. % each of Fe and Cu, the balance essentially aluminum and incidental impurities. The sheet product is characterized by a substantially uniform distribution of relatively fine generally equiaxed constituents comprised mainly of elemental silicon.

Abstract: An aluminum alloy foil useful for the cathodes of electrolytic capacitors is prepared from an aluminum alloy comprising 0.03 to 0.5% of copper and 0.002 to 0.05% of titanium.