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Internal Stress in Polysiloxane Topcoats

机译：聚硅氧烷面漆的内部应力

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This paper summarizes the results from laboratory investigations on internal stress in protective coatings. Internal stress, together with a lack of paint film, flexibility and adhesion, are expected to be the main reasons for cracking and flaking of protective coatings. Mechanical properties and adhesion are to be discussed in later papers. Stress buildup at various climatic conditions has been studied. Two commercially available three-coat systems with polysiloxane topcoat were included in the test program. Both the individual coats and the full systems were investigated. The polysiloxane topcoats showed low levels of internal stress at all test conditions, and it is considered unlikely that topcoat cracking, and subsequent flaking, will occur as a result of the stress levels measured in this work. [PUBLICATION ABSTRACT]
机译：本文总结了有关防护涂层内应力的实验室研究结果。内应力以及缺乏漆膜，柔韧性和附着力被认为是保护涂层开裂和剥落的主要原因。机械性能和附着力将在以后的文章中讨论。研究了各种气候条件下的应力积累。测试程序中包括两个带有聚硅氧烷面漆的商用三涂层系统。研究了单独的涂层和整个体系。聚硅氧烷面漆在所有测试条件下均表现出较低的内部应力水平，并且由于该工作中测得的应力水平，人们认为面漆不太可能出现龟裂和随后的剥落。 [出版物摘要]

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  • 来源
    《Corrosion》 |2010年第6期|p.1-6|共6页
  • 作者

    S B Axelsen R Johnsen O Ø Knudsen;

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    S.B. Axelsen[dagger]* R. Johnsen, ** and O.Ø. Knudsen***Submitted for publication November 3, 2008, in revised form, April 28, 2010.* Corresponding author. E-mail: sbaxe@statoil.com.* Norwegian University of Science and Technology, NTNU 749 1 Trondheim, Norway. Present address: Statoli ASA, Forusbeen 50, 4035 Stavanger.** Norwegian University of Science and Technology, NTNU 749 1 Trondheim, Norway.*** SINTEF Materials and Chemistry and Norwegian University of Science and Technology, NTNU 7465 Trondheim, Norway.,;

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