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Creep in Plastics[ URGENT WORK]

7 Pages Technical writing on following :

"Topic Title: Creep in plastics

Project description

When a material is held at high temperatures and under load they will stretch over a period of time .a phenomenon known as a creep. In metal, such a behavior is not significant unless the temperatures are very high such as inject engines or power generator turbines. However, in plastics creep effects can occur at room temperature.

Creep in metallic materials has a well-established basis and methods have been established for making long term prediction from relatively short term tests.

Various models have been tried to predict plastics creep behavior and in this project it is planned to assess models and to see whether a new model which has recently been successfully used for metallic materials can be used or adapted for plastic materials.

Explanation

+ a time vs strain curves have to be determined

+ note that the temperature is to be at room temperature, with changing stress

+ choose a model such as (universal formula of Findley equation or any other model to find the creep curve .

+graph shows a creep curve for acetal copolymer will be given, and it will be great if you can get the same curves or about the same

Introduction

A brief word about creep measurement importance.

What model has been used for this project mentioning names of the metallic materials that this model has been previously successfully used to predict their creep.

Method used to determine the parameters in the model

Main body

Analysis of the steps taken to determine the parameters .showing graphs for the time – strain curve, plus comparing them with the given graph.

Explain and comment on the dramatic point in the graph.

Conclusion

What are the ideas gained throughout this research, and observation on the results.

Taidot: Article Writing, tekniikka, Raportin kirjoittaminen, Tutkimusten kirjoitus, Tekninen kirjoittaminen

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Projektin tunnus: #4281353

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