Norm

ASTM B875-96(2013)

Standard Specification for Aluminum Diffusion Coating Applied by Pack Cementation Process

48,24

Over deze norm

Status Definitief
Aantal pagina's 3
Commissie B08.03
Gepubliceerd op 01-12-2013
Taal Engels

1.1 This specification covers the requirements for aluminum diffusion of metals by the pack cementation method. Pack diffusion employs the chemical vapor deposition of a metal which is subsequently diffused into the surface of a substrate at high temperature. The material to be coated (substrate) is immersed or suspended in a powder containing aluminum (source), a halide salt (activator), and an inert diluent such as alumina (filler). When the mixture is heated, the activator reacts to produce an atmosphere of aluminum halides which transfers aluminum to the substrate for subsequent diffusion. The aluminum-rich surface enhances corrosion, thermal stability, and wear-resistant properties.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Details

ICS-code 25.220.40
Nederlandse titel Standard Specification for Aluminum Diffusion Coating Applied by Pack Cementation Process
Engelse titel Standard Specification for Aluminum Diffusion Coating Applied by Pack Cementation Process

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