Browse Topic: Metal finishing
This SAE Recommended Practice defines requirements for equipment and supplies to be used in measuring shot peening intensity and other surface enhancement processes. It is intended as a guide toward standard practice and is subject to change to keep pace with experience and technical advances. Guidelines for use of these items can be found in SAE J443 and SAE J2597.
This specification covers the requirements for an inorganic blackening solution for steel, applied at room temperature.
This specification covers the requirements for silver deposited on metal parts with a copper strike between the basis metal and the silver deposit.
This specification covers the requirements for electrodeposited cadmium on metal parts.
This specification covers a coating consisting of finely powdered graphite in a heat-resistant inorganic binder applied to parts.
This specification establishes the requirements for anodic coatings on aluminum alloys.
This specification covers the requirements for a manganese phosphate coating on ferrous alloys.
This SAE Standard defines the method for deriving and verifying the peening intensity exerted onto a part surface during shot peening or other surface enhancement processes.
This specification and its supplementary slash specifications establish the requirements for electrodeposition of metals by brush plating.
This specification covers the requirements for electrodeposited hard chromium plate.
This specification establishes engineering requirements for electropolishing metallic parts and materials using Computer Aided Engineering simulation to reduce the process risks related to electropolishing.
This SAE Standard covers the engineering requirements for peening surfaces of parts by impingement of metallic shot, glass beads, or ceramic shot.
This specification covers the engineering requirements for producing an anodic coating on aluminum and aluminum alloys which are subsequently sealed with an organic resin.
This specification describes the engineering requirements for producing a non-powdery anodic coating on titanium and titanium alloys and the properties of such coatings.
This specification covers the requirements for gold deposited on metal surfaces and the properties of the deposit.
This specification covers the requirements for producing a continuous compound zone (white layer) with controlled extent of porosity by means of a gaseous process, automatically controlled to maintain nitriding and carburizing potentials that determine properties of the nitrocarburized surface. Automatic control is intended to ensure repeatability of nitrogen and carbon content of the compound zone, which influences properties such as wear and corrosion resistance, ductility, and fatigue strength.
This SAE Aerospace Recommended Practice (ARP) describes training and approval of personnel performing certain thermal processing and associated operations that could have a material impact on the properties of materials being processed. It also recommends that only approved personnel perform or monitor the functions listed in Table 1.
This SAE Aerospace Standard (AS) covers components of rotary flap assemblies to be used with portable equipment for peening of metal parts. The flap assemblies consist of a flap attached to a mandrel and shall be of the following sizes:
This specification, in conjunction with the general requirements for peening media covered in AMS2431, establishes the requirements for the procurement of ceria-zirconia ceramic shot.
This specification covers procedures for tab marking of bare welding wire to provide positive identification of cut lengths and spools.
This specification covers the engineering requirements for producing brazed joints in parts made of steels, iron alloys, nickel alloys, and cobalt alloys using gold-nickel alloy filler metal.
This specification covers an aircraft-quality, low-alloy steel in the form of sheet, strip, and plate.
This specification covers the procurement of granular heat-treating salts suitable for use in the molten state.
This specification establishes the engineering requirements for producing an anodic coating on titanium and titanium alloys and the properties of the coating.
This specification covers the engineering requirements for producing brazed joints in parts made of steels, iron alloys, nickel alloys, and cobalt alloys by use of silver alloy filler metals and the properties of such joints.
This specification covers the requirements for a hard anodic coating on magnesium alloys and the properties of the coating.
This specification covers the requirements for a process to assure removal of free iron or other less noble contaminants from the surfaces of corrosion-resistant steel parts.
This specification covers the engineering requirements for producing a continuous compound zone (white layer) on parts by means of a gaseous, low-temperature, carbon-enriched nitriding process.
This specification covers an aluminum alloy in the form of bars and rods 0.750 to 3.500 inches (19.05 to 88.90 mm), inclusive, in nominal diameter or least distance between parallel sides (see 8.5).
This specification covers the requirements for electrodeposited zinc-nickel on metal parts, including fasteners and other standard parts.
This specification covers an aluminum alloy in the form of rolled or cold-finished bars, rods, and wire and of flash-welded rings conforming to the dimensions listed in Table 2 (see 8.6).
This AIR presents an abbreviated review of the metallurgical phenomena known as whiskers. It is not all encompassing; rather, it is intended to introduce the design engineer to the technical issues of metallic whiskers, their formation, and the potentially dangerous problems they can cause.
This specification covers the requirements for electrodeposited silver on other metals, usually with a nickel strike between the basis metal and the silver.
This specification covers the engineering requirements for cadmium deposited on ferrous and nonferrous metals using a low hydrogen embrittlement (LHE) electroplating process.
In the realm of low-altitude flight power systems, such as electric vertical take-off and landing (eVTOL), ensuring the safety and optimal performance of batteries is of utmost importance. Lithium (Li) plating, a phenomenon that affects battery performance and safety, has garnered significant attention in recent years. This study investigates the intricate relationship between Li plating and the growth profile of cell thickness in Li-ion batteries. Previous research often overlooked this critical aspect, but our investigation reveals compelling insights. Notably, even during early stage of capacity fade (~ 5%), Li plating persists, leading to a remarkable final cell thickness growth exceeding 20% at an alarming 80% capacity fade. These findings suggest the potential of utilizing cell thickness growth as a novel criterion for qualifying and selecting cells, in addition to the conventional measure of capacity degradation. Monitoring the growth profile of cell thickness can enhance the
This SAE Standard defines the method for deriving and verifying the peening intensity exerted onto a part surface during shot peening or other surface enhancement processes.
Anode-free sodium metal batteries (AFSMBs) with initial zero sodium anodes are promising energy-storage devices to achieve high energy density and low cost. The morphology and reversibility of sodium controls the cycling lifespan of the AFSMBs, which is directly affected by the separator. Here, we compared the sodium deposition and corresponding electrochemical behaviors under the influence of three commercial separators, which were Celgard 2500, Al2O3-coated PP separator and glass fiber (denoting as 2500, C-PP and GF). Firstly, the reversibility of sodium plating/stripping was tested using half-cells, where coulombic efficiencies were stable at ~99.89% for C-PP and GF compare to 99.65% for 2500, indicating more dead sodium were formed for 2500. Then, the morphologies of deposited sodium were compared using optical microscopy. Compared to inhomogeneous sodium growth under 2500, C-PP obtained more flatter sodium layer with less height difference, attributing to the high mechanical
This specification covers the requirements for electrodeposited bronze plate and its subsequent removal.
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