ASTM E1169 - 18

    Standard Practice for Conducting Ruggedness Tests

    Active Standard ASTM E1169 | Developed by Subcommittee: E11.20

    Book of Standards Volume: 14.05

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    Significance and Use

    5.1 A ruggedness test is a special application of a statistically designed experiment. It is generally carried out when it is desirable to examine a large number of possible factors to determine which of these factors might have the greatest effect on the outcome of a test method. Statistical design enables more efficient and cost effective determination of the factor effects than would be achieved if separate experiments were carried out for each factor. The proposed designs are easy to use in developing the information needed for evaluating quantitative test methods.

    5.2 In ruggedness testing, the two levels for each factor are chosen to use moderate separations between the high and low settings. In general, the size of effects, and the likelihood of interactions between the factors, will increase with increased separation between the high and low settings of the factors.

    5.3 Ruggedness testing is usually done within a single laboratory on uniform material, so the effects of changing only the factors are measured. The results may then be used to assist in determining the degree of control required of factors described in the test method.

    5.4 Ruggedness testing is part of the validation phase of developing a standard test method as described in Guide E1488. It is preferred that a ruggedness test precedes an interlaboratory (round robin) study.

    1. Scope

    1.1 This practice covers conducting ruggedness tests. The purpose of a ruggedness test is to identify those factors that strongly influence the measurements provided by a specific test method and to estimate how closely those factors need to be controlled.

    1.2 This practice restricts itself to designs with two levels per factor. The designs require the simultaneous change of the levels of all of the factors, thus permitting the determination of the effects of each of the factors on the measured results.

    1.3 The system of units for this practice is not specified. Dimensional quantities in the practice are presented only as illustrations of calculation methods. The examples are not binding on products or test methods treated.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E456 Terminology Relating to Quality and Statistics

    E1325 Terminology Relating to Design of Experiments

    E1488 Guide for Statistical Procedures to Use in Developing and Applying Test Methods

    E2282 Guide for Defining the Test Result of a Test Method

    F2082 Test Method for Determination of Transformation Temperature of Nickel-Titanium Shape Memory Alloys by Bend and Free Recovery

    ICS Code

    ICS Number Code 19.020 (Test conditions and procedures in general)

    UNSPSC Code

    UNSPSC Code 81141500(Quality control)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E1169-18

    Citation Format

    ASTM E1169-18, Standard Practice for Conducting Ruggedness Tests, ASTM International, West Conshohocken, PA, 2018,

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