BS EN ISO 179-2:2020 - Plastics. Determination of Charpy Impact Properties Instrumented Impact Test

Discover the essential standard for determining the Charpy impact properties of plastics with the BS EN ISO 179-2:2020. This comprehensive document is a must-have for professionals in the plastics industry, providing detailed guidelines and methodologies for conducting instrumented impact tests.

Overview

The BS EN ISO 179-2:2020 standard is a critical resource for anyone involved in the testing and analysis of plastic materials. Released on June 10, 2020, this standard outlines the procedures for determining the Charpy impact properties of plastics using an instrumented impact test. With 30 pages of in-depth information, it serves as a definitive guide for ensuring accurate and reliable test results.

Key Features

• Standard Number: BS EN ISO 179-2:2020
• Pages: 30
• Release Date: June 10, 2020
• ISBN: 978 0 539 00949 1
• Status: Standard

Why Choose BS EN ISO 179-2:2020?

The BS EN ISO 179-2:2020 standard is indispensable for laboratories, manufacturers, and researchers who require precise and consistent methods for testing the impact resistance of plastic materials. By adhering to this standard, you can ensure that your testing procedures meet international benchmarks, enhancing the credibility and reliability of your results.

Comprehensive Guidelines

This standard provides a thorough explanation of the instrumented impact test method, including detailed instructions on test setup, execution, and data interpretation. It covers various aspects of the testing process, such as:

• Preparation of test specimens
• Calibration and maintenance of testing equipment
• Data acquisition and analysis
• Reporting of test results

International Recognition

As part of the ISO (International Organization for Standardization) family, the BS EN ISO 179-2:2020 standard is recognized globally. This ensures that your testing methods are aligned with international standards, facilitating cross-border collaboration and acceptance of your test results.

Enhanced Accuracy and Reliability

By following the guidelines set forth in this standard, you can achieve higher accuracy and reliability in your impact testing. The instrumented impact test method allows for detailed analysis of the impact event, providing valuable insights into the material's behavior under stress.

Who Should Use This Standard?

The BS EN ISO 179-2:2020 standard is ideal for a wide range of professionals, including:

• Material scientists and engineers
• Quality control and assurance personnel
• Research and development teams
• Manufacturers of plastic products
• Testing laboratories

Conclusion

Incorporating the BS EN ISO 179-2:2020 standard into your testing procedures is a strategic move for any organization involved in the plastics industry. It not only ensures compliance with international standards but also enhances the quality and reliability of your test results. With its comprehensive guidelines and global recognition, this standard is an invaluable tool for achieving excellence in impact testing of plastics.

Equip your team with the knowledge and tools they need to excel in the field of plastics testing by integrating the BS EN ISO 179-2:2020 standard into your operations today.

BS EN ISO 179-2:2020

This standard BS EN ISO 179-2:2020 Plastics. Determination of Charpy impact properties is classified in these ICS categories:

• 83.080.01 Plastics in general

1.1

This document specifies a method for determining Charpy impact properties of plastics from force-deflection diagrams. Different types of rod-shaped test specimens and test configurations, as well as test parameters depending on the type of material, the type of test specimen and the type of notch, are defined in ISO 179‑1.

Dynamic effects such as load-cell/striker resonance, test specimen resonance and initial-contact/inertia peaks are described in this document (see Figure 1, Curve b, and Annex A).

1.2

ISO 179‑1 is suitable for characterizing the impact behaviour by the impact strength only and for using apparatus whose potential energy is matched approximately to the particular energy to break to be measured (see ISO 13802:2015, Annex E). This document is used to record a force-deflection or force-time diagram for detailed characterization of the impact behaviour, and for developing automatic apparatus, i.e. avoiding the need to match energy.

The method described in this document is also suitable for:

• acquiring more and different materials characteristics under impact conditions;

• supervising the Charpy test procedure, as this instrumentation allows detection of typical operational mistakes, such as the specimen not being in close contact with the supports;

• automatically detecting the type of break;

• pendulum type instruments to avoid frequent changes of pendulum hammers;

• measuring fracture mechanical properties described in other ISO standards.

1.3

For the range of materials which can be tested by this method, see ISO 179‑1:2010, Clause 1.

1.4

For the general comparability of test results, see ISO 179‑1:2010, Clause 1.

1.5

Information on the typical behaviour of materials can be obtained by testing at different temperatures, by varying the notch radius and/or specimen thickness and by testing specimens prepared under different conditions.

It is not the purpose of this document to give an interpretation of the mechanism occurring at every point on the force-deflection diagram. These interpretations are a task for on-going scientific research.

1.6

The test results obtained with this method are comparable only if the conditions of test specimen preparation, as well as the test conditions, are the same. The impact behaviour of finished products cannot, therefore, be predicted directly from this test.

1.1

This document specifies a method for determining Charpy impact properties of plastics from force-deflection diagrams. Different types of rod-shaped test specimens and test configurations, as well as test parameters depending on the type of material, the type of test specimen and the type of notch, are defined in ISO 179‑1.

Dynamic effects such as load-cell/striker resonance, test specimen resonance and initial-contact/inertia peaks are described in this document (see Figure 1, Curve b, and Annex A).

1.2

ISO 179‑1 is suitable for characterizing the impact behaviour by the impact strength only and for using apparatus whose potential energy is matched approximately to the particular energy to break to be measured (see ISO 13802:2015, Annex E). This document is used to record a force-deflection or force-time diagram for detailed characterization of the impact behaviour, and for developing automatic apparatus, i.e. avoiding the need to match energy.

The method described in this document is also suitable for:

• acquiring more and different materials characteristics under impact conditions;

• supervising the Charpy test procedure, as this instrumentation allows detection of typical operational mistakes, such as the specimen not being in close contact with the supports;

• automatically detecting the type of break;

• pendulum type instruments to avoid frequent changes of pendulum hammers;

• measuring fracture mechanical properties described in other ISO standards.

1.3

For the range of materials which can be tested by this method, see ISO 179‑1:2010, Clause 1.

1.4

For the general comparability of test results, see ISO 179‑1:2010, Clause 1.

1.5

Information on the typical behaviour of materials can be obtained by testing at different temperatures, by varying the notch radius and/or specimen thickness and by testing specimens prepared under different conditions.

It is not the purpose of this document to give an interpretation of the mechanism occurring at every point on the force-deflection diagram. These interpretations are a task for on-going scientific research.

1.6

The test results obtained with this method are comparable only if the conditions of test specimen preparation, as well as the test conditions, are the same. The impact behaviour of finished products cannot, therefore, be predicted directly from this test.