MIL-STD-1503 Preparation Of Aluminum Alloys For Surface Treatment And Inorganic CoatingThis standard describes the cleaning, activation and under-plating process, and material required for aluminum and aluminum alloys prior to applying inorganic coatings. It is intended that this standard be used in conjunction with other process documents, where the technical requirements are for the application of surface treatments and inorganic coatings on aluminum and aluminum alloys.

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1.

FOREWORD

SCOPE

ii

1

1.1

Scope

1

1.2

Classification

1

1.2.1

Surface Cleaning

1

1.2.2

Surface Preparation

1

1.2.3

Preparation for Plating

1

2.

APPLICABLE DOCUMENTS

1

2.1

General

1

2.2

Government Documents

1

2.2.1

Specifications, Standards and Handbooks

1

2.3

Non-Government Documents

2

2.4

Order of Precedence

2

3.

DEFINITIONS (Not applicable)

2

4.

GENERAL REQUIREMENTS

2

4.1

Materials and Equipment

2

4.1.1

Materials

2

4.1.2

Equipment

3

4.2

Racking

4

4.3

Masking

4

4.4

Handling of Parts

4

4.5

Finish

4

4.6

Re-processing

4

5.

DETAILED REQUIREMENTS

4

5.1

Surface Cleaning

4

5.1.1

Alkaline Cleaners

4

5.1.2

Alkaline Etch

4

5.1.3

Smut Removal

5

5.2

Surface Preparation for Anodizing/Conversion Coating

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5.3

Surface Preparation for Plating

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5.4

Quality Control

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5.4.1

Quality Control Responsibility

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5.4.2

Process Controls

8

5.4.3

Adhesion

8

5.4.4

Castings

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5.4.5

Caution (or Warning)

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