ISSN:
0021-8995
Keywords:
Chemistry
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Physics
Notes:
Although melt spinning is a basic process in the synthetic fiber industry, theoretical understanding of heat transfer and stress development in a melt-spun fiber is limited. In this work, the finite-element method is first applied to the melt-spinning process to determine radial and axial temperature distributions in a solidfying fiber. A thermal stress analysis is then made, again by the finite-element method. Calculated stresses are found to reach maximum values shortly after the fiber solidifies. Because material properties are reduced at these elevated temperatures, this is a location of potential mechanical failure. Anisotropy due to drawing may add to this problem. Analysis of the effects of spinning parameters shows that ambient air temperature is the most critical variable in controlling the internal stresses. Mass flow rate and take-up speed have smaller effects.
Additional Material:
8 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/app.1987.070330404
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