1964_IMPORT_AND_EXPORT_(STRATEGIC_COMMODITIES)_REGULATIONS — Page 37

1988 Ed.]

Import and Export (Strategic Commodities) Regulations

[CAP. 60

G 37

[Subsidiary]

I.

Coating process

(1)

B. "Electron-

Beam Phy-

sical Vapour Deposition"

(EB-PVD)

C. "Electro-

2. Substrate

Carbon-carbon, Carbon- ceramic, or Metal matrix composites

Copper or Copper alloys

Silicon carbide or Cemented tungsten carbide

Superalloys

Ceramics

Aluminium/alloys(6)

Corrosion resistant steel(7)

Carbon-carbon, carbon- ceramic, or Metal matrix composites Copper or copper alloys

Silicon carbide or Cemented tungsten carbide

Superalloys

phoretic Deposition"

3. Resultant

coating

Silicides, Carbides, Mixtures thereof(4) or

Dielectric layers

Tungsten or Dielectric layers

Carbides, Tungsten, Mixtures thereof (4) or Dielectric layers

Alloyed silicides, Alloyed aluminides(2), MCrAIX (except CoCrAIY which contains less than 22 weight per cent of chromium and less than 12 weight per cent of aluminium and less than 2 weight per cent of yttrium)(5),

Modified zirconia (except calcia- stabilized zirconia) or Mixtures thereof (including mixtures of the above with silicides or aluminides) (4)

Silicides or Modified zirconia (except calcia-stabilized zirconia)

MCrAIX (except CoCrAIY which contains less than

22 weight per cent of chromium and less than 12 weight per cent of aluminium and less than 2 weight per cent of yttrium) (5), Modified zirconia (except calcia- stabilized zirconia) or Mixtures thereof(*)

MCrAIX (except CoCrAIY which contains less than

22 weight per cent of chromium and less than 12 weight per cent of aluminium and less than 2 weight per cent of yttrium) (5) or Modified zirconia (except calcia- stabilized zirconia) or Mixtures thereof(4)

Silicides, Carbides, Mixtures thereof (4) or Dielectric layers Tungsten or Dielectric layers

Carbides, Tungsten, Mixtures thereof (4)

or Dielectric layers

Alloyed aluminides(2) or Noble metal modified aluminides(3)

D. *Pack

cementa- tion (see also A above) (9)

Superalloys

Carbon-carbon, Carbon- ceramic or Metal matrix composites

Aluminium alloys(6)

Alloyed aluminides(2) or Noble metal modified aluminides(3)

Silicides, Carbides or Mixtures thereof(4)

Aluminides or Alloyed aluminides(2)