How Things Break: Fatigue (Ohio Timed & Monitored Video)

Course Number: F-4016VTM
Credit: 4 PDH
Subject Matter Expert: Raymond M. Burynski, Jr., P.E.

Type: Timed and Monitored - designed for Ohio-licensed engineers.

Price: $119.80 Use Reward Tokens and Save

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Overview

This course is specifically designed for Ohio-licensed engineers to qualify as a "timed and monitored" online course. The course contains an automatic timer that prevents the user from accessing the quiz and earning a certificate of completion until the minimum amount of study time has been met. This achieves the Ohio Board's intent that an online course should be "paced" by the provider. For more information, please see the Ohio state requirements. This course may also be accepted in other states (see the "Board Acceptance" tab above).

In How Things Break: Fatigue , you'll learn ...

The basic mechanisms of fatigue failure
The response of various materials to cyclic loading
How designers can estimate and reduce the effects of fatigue
Case studies of fatigue failures

Overview

To meet the Ohio Board's intent that online courses be "paced" by the provider, a timer will be used to record your study time. You will be unable to access the quiz until the required study time of 230 minutes has been met.

Credit: 4 PDH

Duration: 230 minutes

Fatigue occurs when a material experiences repeated applications of a relatively low stress. Designers have long been aware that materials can become “tired,” and as early as 1829 Wilhem Augustus Julius Albert performed the first metal fatigue experiments in response to failures at the Clausthal Mines.

To this day, fatigue remains one of the leading causes of in-service component failure. Since fatigue failures can occur without warning, proper design is critical.

It’s important to understand the difference between failure and fatigue, so that’s where we begin in this course. After establishing that difference, we’ll explore four design philosophies that engineers use when planning for fatigue:

Infinite Life Design
Safe Life Design
Fail Safe Design
Damage Tolerant Design

This course presents an overview of the material fatigue phenomenon, along with the methods used by engineers to estimate component life under cyclic loading.

The study is brought to life with several case studies presented to illustrate the concepts.

This video is a recording of a live webinar training session. As a recording of a live event, you will hear the discussion that occurred between the instructor and those who attended this webinar.

Learning Objectives

Upon completion of this course, participants will be able to:

Explain the fundamentals of fatigue failure
Describe the characteristics of various materials under cyclic loading
Identify visual indications of fatigue on fracture surfaces
Interpret S-N curves
Explain the influence of environment and geometry on fatigue
Describe the effect of manufacturing processes on component life
Apply calculation methods to estimate component life
Identify design practices that can extend the life of cyclically loaded components
Analyze case studies of fatigue failures

PDH Credits

Webinars earn PDH credits for engineers in all jurisdictions, unless otherwise stated in the literature for a specific webinar, and are accepted as "live" courses by engineering boards with a requirement for "live" training.