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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Thermomechanics of Composites Under High Temperatures

Thermomechanics of Composites Under High Temperatures

Dimitrienko, Yuriy I.

Paperback

Series: Solid Mechanics and Its Applications, Book 65

Technology & EngineeringPhysics

ISBN10: 9048151228
ISBN13: 9789048151226
Publisher: Springer Nature
Published: Dec 5 2010
Pages: 352
Weight: 1.15
Height: 0.77 Width: 6.14 Depth: 9.21
Language: English
The thermomechanical properties of composites on polymer matrix at high tem- peratures are essentially different from those at normal temperatures. The main distinctions briefly consist in the following: - at high temperatures there occurs an irreversible variation (degradation) of all mechanical and thermal properties of a material that usually has a complex non-linear character depending on time exposure under high temperature; - there are complicated internal physico-chemical processes in a matrix and fibres under high temperatures called by the general notion of ablation; the internal physico-chemical and mechanical processes run differently in the matrix and fibres, and this leads to the appearance of considerable internal thermal stresses. Generally speaking, a composite under high temperatures can be considered as a multiphase system consisting of solid, gaseous and fluid phases interact.ing mechanically and chemically with each ot.her. There are t.hree levels of temperature: normal, elevated and high. Normal, or room temperatures are 10 - 30 C; elevated temperatures are 30 200 C; hzgh temperatures are those above 200 C. However, the dividing line between elevated and high temperat.ures depends on the material involved; a temperature is called high for a particular composite material if, at this temperature, irreversible internal physico-chemical transformations occur in the matrix and/ or fibres of the material.

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