High temperature oxidation of Co-10 W/0 Cr alloys. II - Oxidation kinetics.
Cobalt chromium alloys high temperature oxidation kinetics, discussing thermographic study of oxidation rate and oxygen pressure role
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Cobalt chromium alloys high temperature oxidation kinetics, discussing thermographic study of oxidation rate and oxygen pressure role
Test results prove nickel carbide or nitride, nickel-cobalt carbide, titanium carbide or nitride, and intermetallic compounds of the transition or noble metals to be efficient electrocatalysts for oxygen reduction in alkaline electrolytes in low temperature fuel cells.
Cobalt-tungsten superalloy has improved stress rupture characteristics. Appropriate additions were made to this base alloy using microprobe analyses and a fractional factorial experiment.
Research and development program improves sodium chlorate candle formulation, production method, and igniter design. Cobalt is used as the fuel, dry processing methods are used to lower the water content, and a device based on pyrotechnic heater concepts is used as the igniter.
Two new precipitation-hardened magnetic alloys are suitable for operation in 800 to 1600 deg F range. One is a martensitic alloy and the other a cobalt-based alloy. They possess improved creep resistance and have application in high temperature inductors and alternators.
Cobalt 60 gamma ray degradation of bulk silicon containing aluminum, boron, or diffused lithium
Lifetime degradation produced by cobalt 60 in bulk silicon containing aluminum or lithium dopants
Silicon and manganese effects on nickel-chromium and cobalt-chromium alloy oxidation
Solar flare proton induced radioactivity in Apollo 11 lunar surface material compared with stony meteorite data, noting cobalt 56 concentration
Heat treatment process involves heating products to a temperature above the solidus, and subsequently applying pressure at a temperature below the solidus. Technique can be modified to one step process involving simultaneous application if both high pressure and heat. Process is not limited to cobalt-base alloys.
Technique joins titanium or one of its alloys to materials, such as iron, nickel or cobalt base material, or to refractory metals. To ensure formation of a satisfactory bond, the temperature, time, environment and pressure must be controlled.
Cavitation damage resistance of iron alloys, nickel alloys, and cobalt alloys in liquid sodium and mercury - review of NASA program
Cobalt and copper ferrite spinels as catalysts in oxidative dehydrogenation of butenes
Oxidation resistance determined for cobalt and nickel based alloys by isothermal and cyclic tests in static furnace air
Tensile stress and tensile time-to-rupture relation determined from cyclic creep rupture tests on high temperature titanium alloy, cobalt alloy, and stainless steel
Tables on fracture mechanics of notched bars of boride composites and cobalt bonded tungsten carbide
Stress analysis of cobalt heat resistant alloy tubes internally pressurized with helium after creep testing to failure
Steel and cobalt-nickel alloy compression and corrosion tests after precipitation hardening at cryogenic temperatures for increased yield strength and corrosion resistance