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Understanding the Creep Behavior of Plastics (CHM261E)

Presented By : Jeffrey A. Jansen
(*) Single User Price. For multiple users please call 1-800-223-8720
Pre Recorded Webinar
60 minutes
  •  Thu, February 25, 2016
Event Description
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Get a Better Understanding of Creep to Avoid Premature Plastics Failure!

The tendency of a polymeric material to deform permanently under constant pressure applied through comprehensive, tensile, flexural or shear loading is known as creep. It happens with time through continuous exposure to stress levels that are under the yield strength of the material. Given abundant time, it can cause creep rupture, the failure within a material as a result of continuously applied stress at a level below the tensile strength. When exposed to static stress, plastic materials, in particular, are prone to creep rupture. A recent study indicates that 22% of plastic failures are related with creep.

The relatively high rate of creep failure is because of the widespread lack of understanding and awareness of the effects of time on polymeric materials, especially at the design stage; the increasing use of plastic materials in diverse applications with longer time demands; and the unique difference in time dependence between polymeric materials and metals.

Understanding the concept of creep is extremely important to manufacturers and users of plastic components. In this session by plastics engineering expert, Jeffrey A. Jansen, you will learn how polymeric materials are affected by their viscoelastic properties, and also understand how low levels of applied stress can have detrimental effects on plastics. This knowledge can help you to avoid premature failure.

 Session Highlights:

  • How and why plastic parts can fail under conditions of continuous stress?
  • How stresses well below the yield point of the material can produce cracking and failure in plastic components?
  • How creep can be modeled and how creep lifetime can be projected?
  • How temperature and time affect polymers in the same way?

Benefits:

  • Understand how low levels of applied stress can have detrimental effects on plastics.
  • Acquire knowledge to avoid premature failure.
  • Gain knowledge to produce parts that are more resistant to failure.
  • Understand how polymeric materials behave

Session Agenda:

  • Introduction to Creep
  • Plastics Failure Mechanism
  • Creep Failure Mechanism
  • Generalizations of Creep
  • Creep Testing
  • Creep Failure Case Studies

Who should attend?

  • Plastic component designers and manufacturers
  • Design Engineers
  • Plastic Engineers
  • Materials Engineers
  • Manufacturing Engineers
  • Quality Engineers
  • Designers
  • Managers
About Our Speaker(s)

Jeffrey A. Jansen, Chemical ExpertJeffrey A. Jansen
Jeffrey A. Jansen is Senior Managing Engineer and a Partner at The Madison Group, an independent polymeric materials engineering and consulting firm.  Jeff specializes in failure analysis, material identification and selection, as well as compatibility, aging, and lifetime prediction studies for thermoplastic and ther... More info

 
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    Event Title: Understanding the Creep Behavior of Plastics
    Presenter(s): Jeffrey A. Jansen

 
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