A methodology is proposed to address the requirement for extension of the service life of commercial or military equipment beyond the duration defined in the original equipment design, or Life Cycle Environmental Profile (LCEP) definition. The life extension evaluation process is based on the recently published NATO Standardization Agreement (STANAG), STANAG 4570 Edition 1, "Evaluating The Ability of Materiel To Meet Extended Life Requirements." Equipment systems are often too complex to easily determine the success of a life extension program. The methodology provides a structured and economical procedure to promote conformity and documentation of life extension requirements. Evaluation of the original and proposed LCEP, current equipment service environment, and potential failure modes focus the evaluation on critical aspects. The application of environmental testing and analytical methods then provides a reliable procedure for evaluation of the life extension program.
Evaluating the Ability of Material to Meet Extended Life Requirements: Overview of a NATO Methodology
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Randy Patrick, Steve Tanner, Mike Neale, NATO Task Group on Environmental Conditions and Test Procedures (TGECTP); Evaluating the Ability of Material to Meet Extended Life Requirements: Overview of a NATO Methodology. Journal of the IEST 19 June 2001; 44 (3): 23–29. doi: https://doi.org/10.17764/jiet.44.3.7667076274110284
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