Some Property Data and Corresponding Weibull Parameters for Stochastic Mechanical Design

[+] Author and Article Information
C. R. Mischke

Department of Mechanical Engineering, Iowa State University, Ames, IA 50011

J. Mech. Des 114(1), 29-34 (Mar 01, 1992) (6 pages) doi:10.1115/1.2916921 History: Received February 01, 1991; Online June 02, 2008


This is the first paper in a series of three relating to stochastic methods in mechanical design. The others are entitled, “Fitting Weibull Strength Data and Applying it to Stochastic Mechanical Design,” and “Some Stochastic Mechanical Design Applications.” The purpose of this paper is to present some Weibull parameters of strength distributions that were deduced from published histographic data. Stochastic materials data are in short supply; yet a closer look shows a surprising amount available. However, the published data may need to be interpreted and personal tests reduced. This paper shows histographic data that was converted to three-parameter Weibull distributional fits with relevant goodness-of-fit information displayed.

Copyright © 1992 by The American Society of Mechanical Engineers
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