In the present investigation the characteristic fatigue life prediction of A 356.2 T6 aluminum alloy has been statistically analyzed by log normal distribution. Fatigue tests were conducted on aluminum alloy specimen on rotary bending fatigue testing machine at six different stress levels. A step wise procedure is outlined to determine the number of specimen required at predetermined stress amplitudes. Details of generation of S-N curve for A 356.2 T6 aluminum alloy using a regression analysis is delineated. ANOVA is performed in order to check the significance of regression equation. The adequate sample size required for evaluating the average fatigue life of A 356.2 T6 with an acceptable error at 50 % probability and 90 % confidence level using log normal distribution is established from this study. The experimental results are presented in the form of R-S-N curves, which are helpful for designers.

Penmetsa Rama Murty Raju

Siriyala Rajesh

Beela Satyanarayana

Koona Ramji

International Journal of Precision Engineering and Manufacturing

INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING 接受关于精密工程和制造各个方面的原创投稿。该期刊的具体重点领域包括但不限于：-精密加工过程-制造系统-机器人和自动化-机床-设计和材料-生物力学工程-纳米/微型技术-快速原型设计和制造-测量和控制调查和评论还将与编辑委员会协商计划。

The International Journal of Precision Engineering and Manufacturing accepts original submissions on various aspects of precision engineering and manufacturing. The specific focus areas of the journal include, but are not limited to: precision machining processes, manufacturing systems, robotics and automation, machine tools, design and materials, biomechanical engineering, nano/micro technology, rapid prototyping and manufacturing, and measurement and control. Additionally, surveys and reviews will also be planned in consultation with the editorial board.

《International Journal of Precision Engineering and Manufacturing》接受关于精密工程和制造各个方面的原创投稿。期刊的重点领域包括但不限于：精密加工过程、制造系统、机器人与自动化、机床、设计与材料、生物力学工程、纳米/微型技术、快速原型设计与制造、测量与控制。此外，期刊还欢迎与编辑委员会协商的调查和评论。

Category	Quartile
工程技术	4
工程技术, 工程制造	4
工程技术, 工程机械	4

Evaluation of stress life of aluminum alloy using reliability based approach

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Journal Info

Category	Quartile
ENGINEERING, MECHANICAL	2