Corrosion Science and Technology

  • 제14권6호
  • /
  • Pages.280-287
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  • 2015
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  • 1598-6462(pISSN)
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  • 2288-6524(eISSN)
한국부식방식학회 (The Corrosion Science Society of Korea)
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Accelerated SCC Testing of Stainless Steels According to Corrosion Resistance Classes

  • Borchert, M. (General Analytical and Physical Chemistry, Montanuniversitaet Leoben) ;
  • Mori, G. (General Analytical and Physical Chemistry, Montanuniversitaet Leoben) ;
  • Bischof, M. (Hilti Corporation) ;
  • Tomandl, A. (Hilti Corporation)
  • 투고 : 2015.06.12
  • 심사 : 2015.12.01
  • 발행 : 2015.12.31
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초록

The German Guidelines for stainless steel in buildings (Z.30.3-6) issued by the German Institute for Building Technology (DIBt) categorizevarious stainless steel grades into five corrosion resistance classes (CRCs). Only 21 frequently used grades are approved and assigned to these CRCs. To assign new or less commonly used materials, a large program of outdoor exposure tests and laboratory tests is required. The present paper shows theresults of stress corrosion cracking (SCC) tests that can distinguish between different CRCs. Slow strain rate tests (SSRT) were performedin various media and at different temperatures. CRC IV could be distinguished from CRC II and CRC III with a 31.3 % $Cl^-$ as $MgCl_2$ solutionat $140^{\circ}C$. CRC II and CRC III could be differentiated by testing in a 30% $Cl^-$ as $MgCl_2$ solutionat $100^{\circ}C$.

키워드

참고문헌

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피인용 문헌

  1. Stress Corrosion Cracking of Heat Exchanger Tubes in District Heating System vol.18, pp.2, 2015, https://doi.org/10.14773/cst.2019.18.2.49