Introduction

ISO 10303 is an International Standard for the computer-interpretable representation of product information and for the exchange of product data. The objective is to provide a neutral mechanism capable of describing products throughout their life cycle. This mechanism is suitable not only for neutral file exchange, but also as a basis for implementing and sharing product databases, and as a basis for retention and archiving.

Major subdivisions of this part of ISO 10303 are:

• material_property_definition_schema;
• material_property_representation_schema;
• qualified_measure_schema.

Background knowledge to understand the content of these schemas is included with each schema. A review of the first edition of this part of ISO 10303 is available in [8]. A technical discussion of the possible applications of the constructs in these schemas is provided in Annex E.

Material and other engineering properties are important to many aspects of the life cycle of a product, such as:

• product design;
• product manufacture;
• product disposal;
• product recycling;
• materials selection;
• product testing;
• product performance analysis;
• process planning;
• process control;
• product maintenance;
• failure analysis;
• component replacement.

This part of ISO 10303 is applicable to integrated generic resources, application modules and application protocols that need to describe the properties of products. The nature of these products can be solids, liquids, gases or other physical forms.

The relationships of the schemas in this part of ISO 10303 to other schemas that define the integrated resources of ISO 10303 are illustrated in Figure 1 using the EXPRESS-G notation. EXPRESS-G is defined in ISO 10303-11.

The schemas illustrated in Figure 1 are components of the integrated resources.

• Figure 1 — The relationship of the schemas of this part to the ISO 10303 integration architecture (1 of 1)

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