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Recent studies have proved that there is no fatigue limit for metallic materials. The stress life curve continuously drops even after 107 cycles. However, existing design codes assume that there is a fatigue limit. Therefore, it is important to use appropriate safety factors if existing codes are used for life evaluations. This paper consist of developing the full range S-N curve from low cycle region to high cycle region upto giga cycle fatigue region of cast iron alloys in ANSYS 16.0 work bench software. Also using monotonic test method to construct a full range S–N curve by employing monotonic test based empirical formulae and Palmgren function (a Wholer field mathematical function). Finally the paper presents the comparison of analytical result with the result obtained from empirical formula developed using mathematical model. At last estimating the cumulative fatigue damage using Mesmacque’s sequential law based damage summation model.
Keywords:
Full range S-N curve, Giga cycle fatigue, Cast iron alloys, Monotonic test, Wholer field mathematical function, ANSYS
Cite Article:
"Developing a full range S–N curve using mathematical model and estimating cumulative fatigue damage of cast iron alloys: a review", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.3, Issue 6, page no.143 - 144, June-2018, Available :http://www.ijrti.org/papers/IJRTI1806027.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator