Effect of austempering temperature and time on corrosion behaviour of ductile iron in chloride and acidic media
Purpose - The aim of this paper is to study the effect of heat treatment temperature and time on the corrosion behavior of ductile iron in 0.5 M NaCl and 0.5 M H2SO4.Design methodology approach - Ductile iron samples of known composition were austenized at temperatures 800°C and 850°C, and austemper...
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| Veröffentlicht in: | Anti-corrosion methods and materials 2011-07, Vol.58 (4), p.190-195 |
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| creator | Afolabi, A.S |
| description | Purpose - The aim of this paper is to study the effect of heat treatment temperature and time on the corrosion behavior of ductile iron in 0.5 M NaCl and 0.5 M H2SO4.Design methodology approach - Ductile iron samples of known composition were austenized at temperatures 800°C and 850°C, and austempered at 300°C and 350°C for periods of 30, 45 and 60 min to convert them to austempered ductile iron (ADI). The corrosion behavior of these ADI samples in 0.5 M NaCl and H2SO4 was measured using the conventional weight loss method. The metallographic examination of the samples was carried out to study the morphology of their corroded surfaces.Findings - Ductile iron is susceptible to corrosion in both acidic and chloride media, while attack by acid media is mainly at the grain boundaries, that from the chloride is pitting. The corrosion behavior of the material is affected by the compositional structures of the materials as well as the austempering temperature and time it was subjected to.Practical implications - Ductile iron has the potential to replace costlier materials in many engineering and structural applications.Originality value - The results revealed that the corrosion of ADI in both acidic and chloride media were strongly dependent on the structure of the material, which in turn was affected by the austempering temperature and time. |
| doi_str_mv | 10.1108/00035591111148902 |
| format | Article |
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The corrosion behavior of these ADI samples in 0.5 M NaCl and H2SO4 was measured using the conventional weight loss method. The metallographic examination of the samples was carried out to study the morphology of their corroded surfaces.Findings - Ductile iron is susceptible to corrosion in both acidic and chloride media, while attack by acid media is mainly at the grain boundaries, that from the chloride is pitting. The corrosion behavior of the material is affected by the compositional structures of the materials as well as the austempering temperature and time it was subjected to.Practical implications - Ductile iron has the potential to replace costlier materials in many engineering and structural applications.Originality value - The results revealed that the corrosion of ADI in both acidic and chloride media were strongly dependent on the structure of the material, which in turn was affected by the austempering temperature and time.</description><identifier>ISSN: 0003-5599</identifier><identifier>EISSN: 1758-4221</identifier><identifier>DOI: 10.1108/00035591111148902</identifier><language>eng</language><publisher>Bradford: Emerald Group Publishing Limited</publisher><subject>Acids ; Austempered nodular iron ; Austempering ; Bainitic transformations ; Chlorides ; Chlorine ; Corrosion ; Corrosion effects ; Corrosion tests ; Ductile iron ; Grain boundaries ; Heat ; Heat treating ; Heat treatment ; Iron ; Mechanical properties ; Media ; Molybdenum ; Morphology ; Nodular iron ; Pitting (corrosion) ; Sodium chloride ; Studies ; Sulfuric acid ; Sulphuric acid ; Temperature ; Wear resistance ; Weight loss measurement</subject><ispartof>Anti-corrosion methods and materials, 2011-07, Vol.58 (4), p.190-195</ispartof><rights>Emerald Group Publishing Limited</rights><rights>Emerald Group Publishing Limited 2011</rights><rights>Copyright Emerald Group Publishing Limited 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c410t-e7bc6beff6a6904e2888ee9900ed76baade707de100aea1f31004206f1802fb63</citedby><cites>FETCH-LOGICAL-c410t-e7bc6beff6a6904e2888ee9900ed76baade707de100aea1f31004206f1802fb63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.emerald.com/insight/content/doi/10.1108/00035591111148902/full/pdf$$EPDF$$P50$$Gemerald$$H</linktopdf><linktohtml>$$Uhttps://www.emerald.com/insight/content/doi/10.1108/00035591111148902/full/html$$EHTML$$P50$$Gemerald$$H</linktohtml><link.rule.ids>314,776,780,961,11614,21674,27901,27902,52661,52664,53219,53347</link.rule.ids></links><search><creatorcontrib>Afolabi, A.S</creatorcontrib><title>Effect of austempering temperature and time on corrosion behaviour of ductile iron in chloride and acidic media</title><title>Anti-corrosion methods and materials</title><description>Purpose - The aim of this paper is to study the effect of heat treatment temperature and time on the corrosion behavior of ductile iron in 0.5 M NaCl and 0.5 M H2SO4.Design methodology approach - Ductile iron samples of known composition were austenized at temperatures 800°C and 850°C, and austempered at 300°C and 350°C for periods of 30, 45 and 60 min to convert them to austempered ductile iron (ADI). The corrosion behavior of these ADI samples in 0.5 M NaCl and H2SO4 was measured using the conventional weight loss method. The metallographic examination of the samples was carried out to study the morphology of their corroded surfaces.Findings - Ductile iron is susceptible to corrosion in both acidic and chloride media, while attack by acid media is mainly at the grain boundaries, that from the chloride is pitting. The corrosion behavior of the material is affected by the compositional structures of the materials as well as the austempering temperature and time it was subjected to.Practical implications - Ductile iron has the potential to replace costlier materials in many engineering and structural applications.Originality value - The results revealed that the corrosion of ADI in both acidic and chloride media were strongly dependent on the structure of the material, which in turn was affected by the austempering temperature and time.</description><subject>Acids</subject><subject>Austempered nodular iron</subject><subject>Austempering</subject><subject>Bainitic transformations</subject><subject>Chlorides</subject><subject>Chlorine</subject><subject>Corrosion</subject><subject>Corrosion effects</subject><subject>Corrosion tests</subject><subject>Ductile iron</subject><subject>Grain boundaries</subject><subject>Heat</subject><subject>Heat treating</subject><subject>Heat treatment</subject><subject>Iron</subject><subject>Mechanical properties</subject><subject>Media</subject><subject>Molybdenum</subject><subject>Morphology</subject><subject>Nodular iron</subject><subject>Pitting (corrosion)</subject><subject>Sodium chloride</subject><subject>Studies</subject><subject>Sulfuric acid</subject><subject>Sulphuric acid</subject><subject>Temperature</subject><subject>Wear resistance</subject><subject>Weight loss 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corrosion behaviour of ductile iron in chloride and acidic media</title><author>Afolabi, A.S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-e7bc6beff6a6904e2888ee9900ed76baade707de100aea1f31004206f1802fb63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Acids</topic><topic>Austempered nodular iron</topic><topic>Austempering</topic><topic>Bainitic transformations</topic><topic>Chlorides</topic><topic>Chlorine</topic><topic>Corrosion</topic><topic>Corrosion effects</topic><topic>Corrosion tests</topic><topic>Ductile iron</topic><topic>Grain boundaries</topic><topic>Heat</topic><topic>Heat treating</topic><topic>Heat treatment</topic><topic>Iron</topic><topic>Mechanical properties</topic><topic>Media</topic><topic>Molybdenum</topic><topic>Morphology</topic><topic>Nodular iron</topic><topic>Pitting (corrosion)</topic><topic>Sodium chloride</topic><topic>Studies</topic><topic>Sulfuric acid</topic><topic>Sulphuric acid</topic><topic>Temperature</topic><topic>Wear resistance</topic><topic>Weight loss measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Afolabi, A.S</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>ABI/INFORM Collection (ProQuest)</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>STEM Database</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Database (Proquest)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Afolabi, A.S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of austempering temperature and time on corrosion behaviour of ductile iron in chloride and acidic media</atitle><jtitle>Anti-corrosion methods and materials</jtitle><date>2011-07-01</date><risdate>2011</risdate><volume>58</volume><issue>4</issue><spage>190</spage><epage>195</epage><pages>190-195</pages><issn>0003-5599</issn><eissn>1758-4221</eissn><abstract>Purpose - The aim of this paper is to study the effect of heat treatment temperature and time on the corrosion behavior of ductile iron in 0.5 M NaCl and 0.5 M H2SO4.Design methodology approach - Ductile iron samples of known composition were austenized at temperatures 800°C and 850°C, and austempered at 300°C and 350°C for periods of 30, 45 and 60 min to convert them to austempered ductile iron (ADI). The corrosion behavior of these ADI samples in 0.5 M NaCl and H2SO4 was measured using the conventional weight loss method. The metallographic examination of the samples was carried out to study the morphology of their corroded surfaces.Findings - Ductile iron is susceptible to corrosion in both acidic and chloride media, while attack by acid media is mainly at the grain boundaries, that from the chloride is pitting. The corrosion behavior of the material is affected by the compositional structures of the materials as well as the austempering temperature and time it was subjected to.Practical implications - Ductile iron has the potential to replace costlier materials in many engineering and structural applications.Originality value - The results revealed that the corrosion of ADI in both acidic and chloride media were strongly dependent on the structure of the material, which in turn was affected by the austempering temperature and time.</abstract><cop>Bradford</cop><pub>Emerald Group Publishing Limited</pub><doi>10.1108/00035591111148902</doi><tpages>6</tpages></addata></record> |
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| ispartof | Anti-corrosion methods and materials, 2011-07, Vol.58 (4), p.190-195 |
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| source | Emerald Journals; Emerald Ejournals Premier |
| subjects | Acids Austempered nodular iron Austempering Bainitic transformations Chlorides Chlorine Corrosion Corrosion effects Corrosion tests Ductile iron Grain boundaries Heat Heat treating Heat treatment Iron Mechanical properties Media Molybdenum Morphology Nodular iron Pitting (corrosion) Sodium chloride Studies Sulfuric acid Sulphuric acid Temperature Wear resistance Weight loss measurement |
| title | Effect of austempering temperature and time on corrosion behaviour of ductile iron in chloride and acidic media |
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