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This paper describes the production and testing of two different aluminide coatings on the surface of MANET II stainless steel. The coatings were produced by heat treatment of a pure aluminium layer which had been deposited by vacuum plasma spray. Series I coatings were produced by a single heat treatment (1023 K/2h) while series 2 coatings were produced by two consecutive heat treatments (1348 K/30min, 1023 K/2h). Series 1 coatings were about 120 microns thick, richer in aluminium and harder than series 2 coatings which formed two layers of about 120 microns each. Due to their softer character, series 2 coatings exhibited a greater resistance to cracking under cyclic testing than serie 1 coatings. Tensile tests of coated specimens indicated that the coating procedures did not degrade the mechanical properties of the bulk MANET II.

Additional information

Authors: SAMPLE T, JRC Ispra (IT);FENICI P, JRC Ispra (IT);KOLBE H, JRC Ispra (IT);ORECCHIA L, JRC Ispra (IT)
Bibliographic Reference: Paper presented: 18th Symposium on Fusion Technology, Karlsruhe (DE), August 22-26, 1994
Availability: Available from (1) as Paper EN 38516 ORA
Record Number: 199511125 / Last updated on: 1995-08-22
Original language: en
Available languages: en
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