Plastic deformation of the amorphous component in semicrystalline polymers

1997 ◽  
Author(s):  
Z. Bartczak ◽  
Andrzej Galeski ◽  
A. S. Argon ◽  
R. E. Cohen
Keyword(s):  
Plastic Deformation ◽  
Semicrystalline Polymers ◽  
Amorphous Component

On the plastic deformation of the amorphous component in semicrystalline polymers

Polymer ◽  
1996 ◽  
Vol 37 (11) ◽  
pp. 2113-2123 ◽  
Author(s):  
Z. Bartczak ◽  
A. Galeski ◽  
A.S. Argon ◽  
R.E. Cohen
Keyword(s):  
Plastic Deformation ◽  
Semicrystalline Polymers ◽  
Amorphous Component

The role of dislocations for the plastic deformation of semicrystalline polymers as investigated by multireflection X-ray line profile analysis

2012 ◽  
Vol 125 (6) ◽  
pp. 4150-4154 ◽  
Author(s):  
Florian Spieckermann ◽  
Gerald Polt ◽  
Harald Wilhelm ◽  
Michael Kerber ◽  
Erhard Schafler ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Line Profile ◽  
Profile Analysis ◽  
Semicrystalline Polymers ◽  
Line Profile Analysis ◽  
X Ray

Influence of Amorphous Component on Melting of Semicrystalline Polymers

2011 ◽  
Vol 44 (20) ◽  
pp. 8042-8055 ◽  
Author(s):  
Anurag Pandey ◽  
Akihiko Toda ◽  
Sanjay Rastogi
Keyword(s):  
Semicrystalline Polymers ◽  
Amorphous Component

Sem Examinations of Glass Knives

1970 ◽  
Vol 28 ◽  
pp. 282-283
Author(s):  
J. Temple Black
Keyword(s):  
Plastic Deformation ◽  
Tensile Loading ◽  
Resultant Force ◽  
Stress Concentrations ◽  
Edge Chipping ◽  
Surface Flaws ◽  
Edge Defects ◽  
Microscopic Surface

There are two types of edge defects common to glass knives as typically prepared for microtomy purposes: 1) striations and 2) edge chipping. The former is a function of the free breaking process while edge chipping results from usage or bumping of the edge. Because glass has no well defined planes in its structure, it should be highly resistant to plastic deformation of any sort, including tensile loading. In practice, prevention of microscopic surface flaws is impossible. The surface flaws produce stress concentrations so that tensile strengths in glass are typically 10-20 kpsi and vary only slightly with composition. If glass can be kept in compression, wherein failure is literally unknown (1), it will remain intact for long periods of time. Forces acting on the tool in microtomy produce a resultant force that acts to keep the edge in compression.

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