Cadmium Substitution - garteur

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GARTEUR LIMITED D.6 Tables Time hours Coating As-deposited Passivated ED <strong>Cadmium</strong> 335 335 ED Zinc-nickel 335 * ED Zinc-cobalt-iron 1000 PVD Aluminium 1000 * ED Aluminium NT NT UMS Aluminium-magnesium NT NT Delta-tone/Delta-coat * * SermeTel (984) NT NT * No rusting detected NT - not tested Table D1; Kontakt Korrosions Test - Time to rust in screw heads Aluminium alloy Self corrosion rate, R o , (mg.dm -2 .day -1 ) 2014-T6 5.9 7075-T6 4.2 Table D2; Self corrosion rates of aluminium alloys in 600mmol /litre sodium chloride solution Page 74 GARTEUR SM/AG17 TP128
GARTEUR LIMITED Coating Passivated Mean Ig (µA.cm- 2 ) R a (mdd) R g (mdd) ED cadmium no 4.2 10.0 4.1 yes 4.8 6.7 0.8 ED zinc-nickel no 4.7 4.2 -1.7 yes 9.2 1.2 -4.7 ED zinc-cobalt-iron no 4.5 19.9 14.0 yes 6.4 14.3 8.4 PVD aluminium no 9.7 12.2 6.3 yes 8.5 6.5 0.6 ED aluminium no 9.5 9.1 3.2 yes 9.1 4.4 -1.5 UMS aluminium - magnesium no 6.1 14.2 8.3 yes 4.9 9.9 4.0 SermeTel 984 4.0 11.7 5.8 984/985 4.7 6.7 0.8 Delta-tone 9.6 16.5 10.6 Table D3; Average galvanic current densities, R a and R g parameters for galvanic couples for 2014-T6 aluminium alloy in contact with metal coatings Coating Passivated Mean Ig (µA.cm- 2 ) R a (mdd) R g (mdd) ED cadmium no 4.4 7.1 2.9 yes 4.2 6.2 2.0 ED zinc-nickel no 5.0 3.3 -0.9 yes 9.0 2.2 -2.0 ED zinc-cobalt-iron no 5.1 14.4 10.2 yes 7.6 10.6 6.4 PVD aluminium no 8.6 12.0 7.8 yes 7.0 10.4 6.2 ED aluminium no 7.4 6.2 2.0 yes 8.0 3.2 -1.0 UMS aluminium - magnesium no 4.9 12.9 8.7 yes 5.3 8.1 3.9 SermeTel 984 4.1 9.3 5.1 984/985 4.6 8.7 4.5 Delta-tone 5.7 13.2 9.0 Table D4; Average galvanic current densities, R a and R g parameters for galvanic couples for 7075-T6 aluminium alloy in contact with metal coatings GARTEUR SM/AG17 TP128 Page 75
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GARTEUR LIMITED This page is intent
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GARTEUR LIMITED Executive summary B
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GARTEUR LIMITED nickel coatings cou
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GARTEUR LIMITED Page 9 Recommendati
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GARTEUR LIMITED G.1 Introduction 89
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GARTEUR LIMITED The various aims of
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GARTEUR LIMITED 3 Summary of work p
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GARTEUR LIMITED The adhesion of con
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GARTEUR LIMITED properties and sacr
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GARTEUR LIMITED Outdoor exposure tr
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GARTEUR LIMITED coatings showed an
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GARTEUR LIMITED torques of 7 and 17
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GARTEUR LIMITED 5.3 Conclusions The
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GARTEUR LIMITED 7 Discussion In the
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GARTEUR LIMITED 9 Recommendations T
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GARTEUR LIMITED 11 Tables Coating t
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Page 48 and 49: GARTEUR LIMITED Properties ED Zn-Co
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Page 64 and 65: GARTEUR LIMITED B.3.3 Coating Adhes
Page 66 and 67: GARTEUR LIMITED Type A Measurements
Page 68 and 69: GARTEUR LIMITED B.7 Figures Hi - Lo
Page 70 and 71: GARTEUR LIMITED ED Cadmium IVD Alum
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Page 74 and 75: GARTEUR LIMITED c) Exposure to 100%
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Page 82 and 83: GARTEUR LIMITED DBAA DERA NLR NLR B
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Page 114 and 115: GARTEUR LIMITED I.7 Tables Coating
Page 116 and 117: GARTEUR LIMITED I.8 Figures Cadmium
Page 118 and 119: GARTEUR LIMITED Cadmium coated bolt
Page 120 and 121: GARTEUR LIMITED cadmium although it
Page 122 and 123: GARTEUR LIMITED Garteur main coatin
Page 126 and 127: GARTEUR LIMITED D-28183 Bremen, GER
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