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  • ...ring the installation of epoxy-coated rebar, because even small cracks and failures in the coating can lead to intensified local chemical reactions not visible [[Fiber-reinforced polymer]] rebar is now also being used in high-corrosion environments. It is availa
    15 KB (2,103 words) - 10:22, 20 September 2010
  • ...stress cracking may account for around 15-30% of all [[plastic]] component failures in service.<ref name="HF_Mark">H. F. Mark. Encyclopedia of Polymers Science ...nvironmental Stress Cracking Resistance of a New Copolymer of Bisphenol-A. Polymer Degradation and Stability. Volume 90, Issue 1, October 2005, Pages 44-52</r
    9 KB (1,372 words) - 10:09, 20 September 2010
  • ...sed in investigations, the exact set being determined by the nature of the polymer in question, be it [[thermoset]], [[thermoplastic]], [[elastomeric]] or [[C ...py is especially useful for assessing oxidation of polymers, such as the [[polymer degradation]] caused by faulty [[injection moulding]]. The spectrum shows t
    10 KB (1,521 words) - 10:09, 20 September 2010
  • ...can also help to identify materials used in failed products, especially [[polymer]]s, [[additive]]s and [[filler]]s. Samples can be taken by dissolution, or ...py is especially useful for assessing oxidation of polymers, such as the [[polymer degradation]] caused by faulty [[injection moulding]]. The spectrum shows t
    9 KB (1,340 words) - 10:10, 20 September 2010
  • ...rbed light, either through direct or indirect processes. <ref>Rabek, J.F., Polymer Photodegradation: Mechanisms and Experimental Methods, Chapman & Hall (Pub. ...he mechanical stresses induced by freeze/thaw cycling can cause structural failures in some systems, or accelerate degradation already initiated.
    12 KB (1,716 words) - 10:10, 20 September 2010
  • ...[[elastomer|rubber-like]] material composed of [[silicone]] — itself a [[polymer]] — containing [[silicon]] together with [[carbon]], [[hydrogen]], and [[ ...han the carbon-oxygen bond in [[polyoxymethylene]] (a structurally similar polymer) due to its higher [[bond energy]].
    8 KB (1,198 words) - 10:10, 20 September 2010
  • ...her testing of polymers''' is the controlled [[polymer degradation]] and [[polymer]] [[coating]] degradation under lab or natural conditions. ...durability and expected lifespan of polymer products. [[Paint]], a common polymer coating, is used to change the [[colour]], change the reflectance ([[gloss]
    12 KB (1,780 words) - 10:10, 20 September 2010
  • ...search center for durability prediction and failures analysis of plastics (polymer) materials.<br /> ...aterials<ref>including [[nanocomposite]] and [[composite materials]] with polymer matrix
    6 KB (824 words) - 10:10, 20 September 2010
  • '''Phenyl ether polymers''' are a class of [[polymer]]s that contain a [[phenol|phenoxy]] and/or a [[thiophenol|thiophenoxy]] gr The proper name for a phenyl ether polymer is poly(phenyl ether) or polyphenyl polyether, but the name polyphenyl ethe
    18 KB (2,654 words) - 10:18, 20 September 2010
  • ...structure]] containing strongly bonded ribbonlike [[silicate]] [[anion]] [[polymer]]s that extend the length of the crystal. Serpentine ([[chrysotile]]) has a ...en these minerals originally cooled and crystallized, they formed by the [[polymer]]ic molecules lining up parallel with each other and forming oriented [[cry
    77 KB (11,403 words) - 21:32, 20 September 2010
  • In diaphragm cell electrolysis, an [[asbestos]] (or polymer-fiber) diaphragm separates a cathode and an [[anode]], preventing the chlor ...ter domestic supplies, and [[stress corrosion cracking]] caused widespread failures in the USA in the 1980s and 1990s. One example shows an acetal joint in a w
    36 KB (5,155 words) - 21:35, 20 September 2010