ДСТУ EN 62506:2022 Методи прискореного випробування продукції (EN 62506:2013, IDT; IEC 62506:2013, IDT)



ДСТУ EN 62506:2022
(EN 62506:2013, IDT; IEC 62506:2013, IDT)

Методи прискореного випробування продукції

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

INTRODUCTION

1 Scope

2 Normative references

3 Terms, definitions, symbols and abbreviations

3.1 Terms and definitions

3.2 Symbols and abbreviated terms

4 General description of the accelerated test methods

4.1 Cumulative damage model

4.2 Classification, methods and types of test acceleration

4.2.1 General

4.2.2 Type A: qualitative accelerated tests

4.2.3 Type B: quantitative accelerated tests

4.2.4 Type C: quantitative time and event compressed tests

5 Accelerated test models

5.1 Type A, qualitative accelerated tests

5.1.1 Highly accelerated limit tests (HALT)

5.1.2 Highly accelerated stress test (HAST)

5.1.3 Highly accelerated stress screening/audit (HASS/HASA)

5.1.4 Engineering aspects of HALT and HASS

5.2 Type B and C - Quantitative accelerated test methods

5.2.1 Purpose of quantitative accelerated testing

5.2.2 Physical basis for the quantitative accelerated Type B test methods

5.2.3 Type C tests, time (C₁) and event (C₂) compression

5.3 Failure mechanisms and test design

5.4 Determination of stress levels, profiles and combinations in use and test - stress modelling

5.4.1 General

5.4.2 Step-by-step procedure

5.5 Multiple stress acceleration methodology - Type B tests

5.6 Single and multiple stress acceleration for Type B tests

5.6.1 Single stress acceleration methodology

5.6.2 Stress models with stress varying as a function of time - Type B tests

5.6.3 Stress models that depend on repetition of stress applications - Fatigue models

5.6.4 Other acceleration models - Time and event compression

5.7 Acceleration of quantitative reliability tests

5.7.1 Reliability requirements, goals, and use profile

5.7.2 Reliability demonstration or life tests

5.7.3 Testing of components for a reliability measure

5.7.4 Reliability measures for components and systems/items

5.8 Accelerated reliability compliance or evaluation tests

5.9 Accelerated reliability growth testing

5.10 Guidelines for accelerated testing

5.10.1 Accelerated testing for multiple stresses and the known use profile

5.10.2 Level of accelerated stresses

5.10.3 Accelerated reliability and verification tests

6 Accelerated testing strategy in product development

6.1 Accelerated testing sampling plan

6.2 General discussion about test stresses and durations

6.3 Testing components for multiple stresses

6.4 Accelerated testing of assemblies

6.5 Accelerated testing of systems

6.6 Analysis of test results

7 Limitations of accelerated testing methodology

Annex A (informative) Highly accelerated limit test (HALT)

Annex B (informative) Accelerated reliability compliance and growth test design

Annex C (informative) Comparison between HALT and conventional accelerated testing

Annex D (informative) Estimating the activation energy, E_a

Annex E (informative) Calibrated accelerated life testing (CALT)

Annex F (informative) Example on how to estimate empirical factors

Annex G (informative) Determination of acceleration factors by testing to failure

Bibliography