Strengthening Mechanisms in Nano Oxide Dispersion-Strengthened Fe-18Cr Ferritic Steel at Different Temperatures
The objective of the present work is to evaluate isothermal uniaxial compressive deformation behavior of nano oxide dispersion-strengthened (n-ODS)-18Cr ferritic steel over a range of temperatures RT—1173 K and range of strain rates 10 −4 to 10 −2 s −1 . Irrespective of temperature, the influence of...
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| Veröffentlicht in: | Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2021-05, Vol.52 (5), p.1901-1912 |
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| container_title | Metallurgical and materials transactions. A, Physical metallurgy and materials science |
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| creator | Jarugula, Rajesh Channagiri, Samartha Raman, S. Ganesh Sundara Sundararajan, G. |
| description | The objective of the present work is to evaluate isothermal uniaxial compressive deformation behavior of nano oxide dispersion-strengthened (n-ODS)-18Cr ferritic steel over a range of temperatures RT—1173 K and range of strain rates 10
−4
to 10
−2
s
−1
. Irrespective of temperature, the influence of the strain rate on the yield strength is insignificant up to 673 K. It is found that the plot of variation of yield strength as a function of temperature exhibits three regimes, which indicates that different deformation mechanisms are governing the yield strength of n-ODS-18Cr steel. Transmission electron microscopic analysis of a sample deformed at the highest temperature of 1173 K and the lowest strain rate of 10
−4
s
−1
demonstrates no significant change in the grain size and nanoprecipitate size. Also, it confirms the interaction between dislocations and nanoprecipitates. Different deformation mechanisms governing the yield strength of n-ODS-18Cr steel are identified in all three regimes and their contributions are quantified. |
| doi_str_mv | 10.1007/s11661-021-06200-0 |
| format | Article |
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−4
to 10
−2
s
−1
. Irrespective of temperature, the influence of the strain rate on the yield strength is insignificant up to 673 K. It is found that the plot of variation of yield strength as a function of temperature exhibits three regimes, which indicates that different deformation mechanisms are governing the yield strength of n-ODS-18Cr steel. Transmission electron microscopic analysis of a sample deformed at the highest temperature of 1173 K and the lowest strain rate of 10
−4
s
−1
demonstrates no significant change in the grain size and nanoprecipitate size. Also, it confirms the interaction between dislocations and nanoprecipitates. Different deformation mechanisms governing the yield strength of n-ODS-18Cr steel are identified in all three regimes and their contributions are quantified.</description><identifier>ISSN: 1073-5623</identifier><identifier>EISSN: 1543-1940</identifier><identifier>DOI: 10.1007/s11661-021-06200-0</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Deformation mechanisms ; Dispersion hardening steels ; Ferritic stainless steels ; Grain size ; Materials Science ; Metallic Materials ; Nanotechnology ; Original Research Article ; Oxide dispersion strengthening ; Strain rate ; Structural Materials ; Surfaces and Interfaces ; Temperature ; Thin Films ; Yield strength ; Yield stress</subject><ispartof>Metallurgical and materials transactions. A, Physical metallurgy and materials science, 2021-05, Vol.52 (5), p.1901-1912</ispartof><rights>The Minerals, Metals & Materials Society and ASM International 2021</rights><rights>The Minerals, Metals & Materials Society and ASM International 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-4cd3f0cad36142f00940192c3acbabfc545d7a2ec4791c607d405575982cdf03</citedby><cites>FETCH-LOGICAL-c319t-4cd3f0cad36142f00940192c3acbabfc545d7a2ec4791c607d405575982cdf03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11661-021-06200-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11661-021-06200-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Jarugula, Rajesh</creatorcontrib><creatorcontrib>Channagiri, Samartha</creatorcontrib><creatorcontrib>Raman, S. Ganesh Sundara</creatorcontrib><creatorcontrib>Sundararajan, G.</creatorcontrib><title>Strengthening Mechanisms in Nano Oxide Dispersion-Strengthened Fe-18Cr Ferritic Steel at Different Temperatures</title><title>Metallurgical and materials transactions. A, Physical metallurgy and materials science</title><addtitle>Metall Mater Trans A</addtitle><description>The objective of the present work is to evaluate isothermal uniaxial compressive deformation behavior of nano oxide dispersion-strengthened (n-ODS)-18Cr ferritic steel over a range of temperatures RT—1173 K and range of strain rates 10
−4
to 10
−2
s
−1
. Irrespective of temperature, the influence of the strain rate on the yield strength is insignificant up to 673 K. It is found that the plot of variation of yield strength as a function of temperature exhibits three regimes, which indicates that different deformation mechanisms are governing the yield strength of n-ODS-18Cr steel. Transmission electron microscopic analysis of a sample deformed at the highest temperature of 1173 K and the lowest strain rate of 10
−4
s
−1
demonstrates no significant change in the grain size and nanoprecipitate size. Also, it confirms the interaction between dislocations and nanoprecipitates. Different deformation mechanisms governing the yield strength of n-ODS-18Cr steel are identified in all three regimes and their contributions are quantified.</description><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Deformation mechanisms</subject><subject>Dispersion hardening steels</subject><subject>Ferritic stainless steels</subject><subject>Grain size</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanotechnology</subject><subject>Original Research Article</subject><subject>Oxide dispersion strengthening</subject><subject>Strain rate</subject><subject>Structural Materials</subject><subject>Surfaces and Interfaces</subject><subject>Temperature</subject><subject>Thin Films</subject><subject>Yield strength</subject><subject>Yield stress</subject><issn>1073-5623</issn><issn>1543-1940</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kEFPAjEQhRujiYj-AU9NPFen7W6XPRoUNUE5wL0p3VkogS62JdF_b3FNuHmYvDm8703mEXLL4Z4DVA-Rc6U4A5FHCQAGZ2TAy0IyXhdwnneoJCuVkJfkKsYNAPBaqgHp5imgX6U1eudX9B3t2ngXd5E6Tz-M7-jsyzVIn1zcY4iu8-xEYEMnyPhoHLKG4JKzdJ4Qt9SkTLQtZmeiC9xl1qRDwHhNLlqzjXjzp0OymDwvxq9sOnt5Gz9OmZW8TqywjWzBmkYqXogWIH_Ba2GlsUuzbG1ZlE1lBNqiqrlVUDUFlGVV1iNhmxbkkNz1sfvQfR4wJr3pDsHni1qUoOqCV0Jll-hdNnQxBmz1PridCd-agz72qvtede5V__aqj9Gyh2I2-xWGU_Q_1A_69Xt0</recordid><startdate>20210501</startdate><enddate>20210501</enddate><creator>Jarugula, Rajesh</creator><creator>Channagiri, Samartha</creator><creator>Raman, S. 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Ganesh Sundara ; Sundararajan, G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-4cd3f0cad36142f00940192c3acbabfc545d7a2ec4791c607d405575982cdf03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Deformation mechanisms</topic><topic>Dispersion hardening steels</topic><topic>Ferritic stainless steels</topic><topic>Grain size</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Nanotechnology</topic><topic>Original Research Article</topic><topic>Oxide dispersion strengthening</topic><topic>Strain rate</topic><topic>Structural Materials</topic><topic>Surfaces and Interfaces</topic><topic>Temperature</topic><topic>Thin Films</topic><topic>Yield strength</topic><topic>Yield stress</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jarugula, Rajesh</creatorcontrib><creatorcontrib>Channagiri, Samartha</creatorcontrib><creatorcontrib>Raman, S. 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A, Physical metallurgy and materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jarugula, Rajesh</au><au>Channagiri, Samartha</au><au>Raman, S. Ganesh Sundara</au><au>Sundararajan, G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strengthening Mechanisms in Nano Oxide Dispersion-Strengthened Fe-18Cr Ferritic Steel at Different Temperatures</atitle><jtitle>Metallurgical and materials transactions. A, Physical metallurgy and materials science</jtitle><stitle>Metall Mater Trans A</stitle><date>2021-05-01</date><risdate>2021</risdate><volume>52</volume><issue>5</issue><spage>1901</spage><epage>1912</epage><pages>1901-1912</pages><issn>1073-5623</issn><eissn>1543-1940</eissn><abstract>The objective of the present work is to evaluate isothermal uniaxial compressive deformation behavior of nano oxide dispersion-strengthened (n-ODS)-18Cr ferritic steel over a range of temperatures RT—1173 K and range of strain rates 10
−4
to 10
−2
s
−1
. Irrespective of temperature, the influence of the strain rate on the yield strength is insignificant up to 673 K. It is found that the plot of variation of yield strength as a function of temperature exhibits three regimes, which indicates that different deformation mechanisms are governing the yield strength of n-ODS-18Cr steel. Transmission electron microscopic analysis of a sample deformed at the highest temperature of 1173 K and the lowest strain rate of 10
−4
s
−1
demonstrates no significant change in the grain size and nanoprecipitate size. Also, it confirms the interaction between dislocations and nanoprecipitates. Different deformation mechanisms governing the yield strength of n-ODS-18Cr steel are identified in all three regimes and their contributions are quantified.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11661-021-06200-0</doi><tpages>12</tpages></addata></record> |
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| ispartof | Metallurgical and materials transactions. A, Physical metallurgy and materials science, 2021-05, Vol.52 (5), p.1901-1912 |
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| subjects | Characterization and Evaluation of Materials Chemistry and Materials Science Deformation mechanisms Dispersion hardening steels Ferritic stainless steels Grain size Materials Science Metallic Materials Nanotechnology Original Research Article Oxide dispersion strengthening Strain rate Structural Materials Surfaces and Interfaces Temperature Thin Films Yield strength Yield stress |
| title | Strengthening Mechanisms in Nano Oxide Dispersion-Strengthened Fe-18Cr Ferritic Steel at Different Temperatures |
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