مقاله انگلیسی رایگان در مورد تأثیر تنش متوسط بر طول عمر فرسودگی – الزویر 2018

 

مشخصات مقاله
ترجمه عنوان مقاله تأثیر تنش متوسط بر طول عمر فرسودگی از نوع خوردگی
عنوان انگلیسی مقاله The Effect of Mean Stress on Corrosion Fatigue Life
انتشار مقاله سال 2018
تعداد صفحات مقاله انگلیسی 8 صفحه
هزینه دانلود مقاله انگلیسی رایگان میباشد.
پایگاه داده نشریه الزویر
نوع نگارش مقاله
مقاله پژوهشی (Research Article)
مقاله بیس این مقاله بیس نمیباشد
نوع مقاله ISI
فرمت مقاله انگلیسی  PDF
ایمپکت فاکتور(IF)
0.970 در سال 2018
شاخص H_index 51 در سال 2019
شاخص SJR 0.277 در سال 2018
شناسه ISSN 1877-7058
مدل مفهومی ندارد
پرسشنامه ندارد
متغیر ندارد
رفرنس دارد
رشته های مرتبط مهندسی مکانیک
گرایش های مرتبط ساخت و تولید
نوع ارائه مقاله
ژورنال و کنفرانس
مجله / کنفرانس  پروسیدیای مهندسی – Procedia Engineering
دانشگاه  University of Strathclyde, 99 George St, Glasgow, G1 1RD, UK
کلمات کلیدی فرسودگی از نوع خوردگی، تنش متوسط، استحکام در برابر فرسودگی، فرسودگی چرخه ای بالا
کلمات کلیدی انگلیسی Corrosion fatigue; mean stress; fatigue strength; high cycles fatigue
شناسه دیجیتال – doi
https://doi.org/10.1016/j.proeng.2018.02.053
کد محصول  E12506
وضعیت ترجمه مقاله  ترجمه آماده این مقاله موجود نمیباشد. میتوانید از طریق دکمه پایین سفارش دهید.
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فهرست مطالب مقاله:
Abstract

1. Introduction

2. Material and testing condition

3. Experimental results and discussion

4. Conclusion

Acknowledgements

References

 

بخشی از متن مقاله:
Abstract

An experimental investigation of the effect of mean stress on the fatigue life and corrosion fatigue life of cylindrical specimens is presented. Force controlled constant amplitude axial fatigue tests in the regime of 105 to 107 cycles were conducted for two different environments: in air (without corrosion) and in-situ in a corrosive environment, 0.824% NaCl aqueous solution flow. The test results are assessed with respect to various standard models of mean stress influence on fatigue. The reduction in material fatigue strength due to the corrosion environment is evaluated and the results obtained show that in a low salinity aqueous corrosive solution, the fatigue strength at 4×106 is reduced of a factor of 2 compared to no corrosion tests.

Introduction

Corrosion fatigue failure is relevant many industrial fields, including the mining industry, where pump components are design to operate under cyclic loading in corrosive environments. The effect of mean stress in such components is of high importance in the design process, as it can significantly influence fatigue strength. Low carbon steel is widely used in the mining industry because its cost and mechanical properties. The main problem with this material is that is affected by environmental conditions and is susceptible to corrosion. Many studies have been conducted to understand how corrosive environments affect fatigue life of steel [1] and how the corrosion fatigue strength of the material decreases. Usually, sea water conditions are tested and many data are available in literature relevant to this condition. However, other corrosive environments have received less attention in research and, consequently, less data are available. This study considers corrosion fatigue behavior in a fresh water environment. The effect of mean stress on fatigue life is a long established research topic. Several models have been proposed to describe its effects of the on the fatigue limit and more generally on material fatigue strength [2-6]. Several comparison of these different methods have been done to understand which of them better predicted the material behavior and many materials, including low alloy steel, have been compared [7,8]. However, the effect of corrosion has not been taken in account in these models. Recently some workers have studied the effect of mean stress on crack propagation in corrosive environment but in these investigations the stress-life approach is not considered.

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