Abstract: A nickel base super alloy composition wherein the ratio of molybdenum to tungsten or to the sum of tungsten and rhenium, Mo w ⁢   or , Mo w + Re Is in the range of about 0.25 to about 0.5 weight percent.

Abstract: A dispersion-strengthened (DS) alloy, more particularly oxide-dispersion-strengthened (ODS) iron-based alloys which manifest resistant to oxidation at temperatures as high as 1300.degree. C. (approx. 2400.degree. F.) whereby the alloys are useful in the production of advanced aircraft gas turbine engine components and in demanding industrial applications.

Abstract: A composite aluminum-base alloy having a mechanically alloyed matrix alloy. The matrix alloy has about 4-40 percent by volume aluminum-containing intermetallic phase. The aluminum-containing intermetallic phase includes at least one element selected from the group consisting of niobium, titanium and zirconium. The intermetallic phase is essentially insoluble in the matrix alloy below one half of the solidus temperature of the matrix alloy. The balance of the matrix alloy is principally aluminum. A stiffener of 5 to 30 percent by volume of the composite aluminum-base alloy is dispersed within the metal matrix.

Abstract: A novel, nickel-base, high temperature alloy body preferably containing about 20% chromium, 6 to 7% aluminum to provide phase, 1.5 to 2.5% molybdenum, 3 to 4.5% tungsten, additional strengthening elements and oxidic yttrium in finely dispersed form. The alloy body has an elongated crystal structure and is characterized by high strength along with excellent hot corrosion and oxidation resistance.

Abstract: Discloses a composite metal body having an oxide-dispersion-strengthened substrate made by mechanical alloying and a high chromium-aluminum nickel- or cobalt-base coating on the substrate. The substrate is characterized by containing an amount of aluminum effective to react with oxygen and nitrogen within the body of the substrate to prevent migration of these gases to the interface of substrate and coating and to thereby inhibit spalling of the coating.

Abstract: A process for producing a single crystal object made of a nickel-base, O.D.S., gamma prime strengthened alloy which involves diffusion bonding a seed crystal to a mass of such alloy in recrystallizable state and thereafter zone annealing to grow a single crystal through the mass of alloy.

Abstract: A corrosion resistant duplex coating for oxide dispersion strengthened alloys permitting high temperature applications is disclosed. An inner coating substantially free of oxide dispersoids and compatible with the substrate is sandwiched between the substrate and an outer layer of the MCrA1Y type.

Abstract: High modulus aluminum-base comprise mechanically alloyed aluminum-base compositions contain 10-25% titanium part of which may be replaced by vanadium or zirconium. Within described limits the alloys can contain elements other than oxygen and carbon ordinarily derived from the process control agent used in mechanical alloying.

Abstract: Discloses hot working by rolling or forging of mechanically alloyed aluminum-base alloys containing 5 to 35 volume percent of an aluminum transition metal intermetallic phase, e.g. Al.sub.3 Ti which is insoluble in the solid aluminum matrix. Hot working is carried out at a temperature above about 370.degree. C.

Abstract: Oxide dispersion strengthened alloys containing 5-9% chromium, 5-7% aluminum, 5-9% tungsten, 1-3% molybdenum, 1-5% tantalum, 0-1.5% titanium, 0-10% cobalt, 1-4% rhenium, 0.1-2% yttrium, small amounts of boron and zirconium as required, balance essentially nickel display excellent lives to rupture under load at intermediate high temperatures of about 850.degree. C.

Abstract: A novel nickel-base high temperature alloy body preferably containing about 22% chromium, sufficient aluminum and titanium to provide a .gamma.' precipitate structure, additional strengthing elements and oxidic yttrium in finely dispersed form. The alloy body has an elongated crystal structure and is characterized by high strength along with excellent hot corrosion and oxidation resistance.

Abstract: A process for producing a single crystal alloy object comprising providing a preform having coarse columnar crystals in a discard portion, isolating, by cutting, one of the columnar crystals to form a seed crystal connected to metal in a product portion of said preform, zone annealing the thus prepared preform to produce single crystal structure and discarding the discard portion of the preform.

Abstract: Aluminum-base alloys and a method of preparing aluminum-base alloys by mechanical alloying in the presence of a carbidiferous processing aid wherein a strong carbide former such as titanium is included so as to produce carbides in the final alloy more thermally stable at temperatures in excess of 100.degree. C. than Al.sub.4 C.sub.3.

Abstract: A nickel-chromium-iron alloy intended principally for automotive turbocharger applications, the alloy being characterized by good stress - rupture strength, ductility, tensile strength, etc. and containing, generally speaking, 10-15% Cr, 18-30% Fe, 3-4.25% Ti, 2.25-3.5% Al, Ti+Al from 6 to 7.25%, ratio of Ti to Al of at least 0.9 and up to 1.6, 4-6% Mo, 0.01-0.2% B, 0.03-0.3% C, balance essentially nickel.

Abstract: Special heat resistant alloys containing nickel, chromium, iron, titanium, aluminum, carbon, silicon, manganese, calcium and tungsten afford high temperature carburization, oxidation and sulfidation resistance, characteristics which render the alloys particularly suitable for use in contact with such media as hydrocarbons, high sulfur content feed stocks and the like.

Abstract: An oxide dispersion-strengthened, nickel-base alloy containing special amounts of chromium, aluminum, tungsten, molybdenum and yttria has a combination of strength properties over a range of temperatures, together with substantial corrosion resistance.

Abstract: Nickel-base alloy containing chromium, aluminum, titanium, molybdenum, cobalt and tungsten has combination of strength and ductility at elevated temperatures, particularly including stress-rupture strength at 980.degree. C. and ductility at 760.degree. C., along with resistance against oxidation and to hot corrosion by combustion products from jet engine fuels. The alloy is especially useful in production of gas turbine rotor blade castings.

Abstract: High modulus aluminum-base alloys comprise mechanically alloyed aluminum-base compositions contain 10-25% titanium part of which may be replaced by vanadium or zirconium. Within described limits the alloys can contain elements other than oxygen and carbon ordinarily derived from the process control agent used in mechanical alloying.