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The influence of ingot annealing on the corrosion resistance of a PrFeCoBNbP alloy
The influence of the annealing time on the corrosion resistance of a Pr–Fe–Co–B–Nb alloy with the addition of 0.1 wt% P was investigated here using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The cast ingot alloys were annealed at 1100 °C for 10, 15 and 20 h. The s...
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| Published in: | Journal of magnetism and magnetic materials 2008-07, Vol.320 (14), p.e43-e45 |
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| Main Authors: | , , , |
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| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c331t-5799a548d6b61770e88bb427ca55dbf6b43c21f7e371ad1041c06d5984832d6a3 |
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| cites | cdi_FETCH-LOGICAL-c331t-5799a548d6b61770e88bb427ca55dbf6b43c21f7e371ad1041c06d5984832d6a3 |
| container_end_page | e45 |
| container_issue | 14 |
| container_start_page | e43 |
| container_title | Journal of magnetism and magnetic materials |
| container_volume | 320 |
| creator | Oliveira, M.C.L. Takiishi, H. Faria, R.N. Costa, I. |
| description | The influence of the annealing time on the corrosion resistance of a Pr–Fe–Co–B–Nb alloy with the addition of 0.1
wt% P was investigated here using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The cast ingot alloys were annealed at 1100
°C for 10, 15 and 20
h. The specimens were immersed for 30 days in naturally aerated 0.02
M Na
2HPO
4 solution at room temperature, during which period the evolution of the electrochemical behavior was assessed using EIS. The results indicated that the corrosion resistance of the Pr
14Fe
balCo
16B
6Nb
0.1P
0.25 alloy was related to the annealing time and, hence, to its microstructure. Annealing at 1100
°C for 10
h was insufficient to eliminate the Fe-α phase from the alloy microstructure, whereas annealing for 15 and 20
h removed an increasing amount of Fe-α phase, thereby increasing the alloy's corrosion resistance. |
| doi_str_mv | 10.1016/j.jmmm.2008.02.013 |
| format | article |
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wt% P was investigated here using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The cast ingot alloys were annealed at 1100
°C for 10, 15 and 20
h. The specimens were immersed for 30 days in naturally aerated 0.02
M Na
2HPO
4 solution at room temperature, during which period the evolution of the electrochemical behavior was assessed using EIS. The results indicated that the corrosion resistance of the Pr
14Fe
balCo
16B
6Nb
0.1P
0.25 alloy was related to the annealing time and, hence, to its microstructure. Annealing at 1100
°C for 10
h was insufficient to eliminate the Fe-α phase from the alloy microstructure, whereas annealing for 15 and 20
h removed an increasing amount of Fe-α phase, thereby increasing the alloy's corrosion resistance.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/j.jmmm.2008.02.013</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Corrosion ; Electrochemical technique ; Pr–Fe–B magnet</subject><ispartof>Journal of magnetism and magnetic materials, 2008-07, Vol.320 (14), p.e43-e45</ispartof><rights>2008 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c331t-5799a548d6b61770e88bb427ca55dbf6b43c21f7e371ad1041c06d5984832d6a3</citedby><cites>FETCH-LOGICAL-c331t-5799a548d6b61770e88bb427ca55dbf6b43c21f7e371ad1041c06d5984832d6a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Oliveira, M.C.L.</creatorcontrib><creatorcontrib>Takiishi, H.</creatorcontrib><creatorcontrib>Faria, R.N.</creatorcontrib><creatorcontrib>Costa, I.</creatorcontrib><title>The influence of ingot annealing on the corrosion resistance of a PrFeCoBNbP alloy</title><title>Journal of magnetism and magnetic materials</title><description>The influence of the annealing time on the corrosion resistance of a Pr–Fe–Co–B–Nb alloy with the addition of 0.1
wt% P was investigated here using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The cast ingot alloys were annealed at 1100
°C for 10, 15 and 20
h. The specimens were immersed for 30 days in naturally aerated 0.02
M Na
2HPO
4 solution at room temperature, during which period the evolution of the electrochemical behavior was assessed using EIS. The results indicated that the corrosion resistance of the Pr
14Fe
balCo
16B
6Nb
0.1P
0.25 alloy was related to the annealing time and, hence, to its microstructure. Annealing at 1100
°C for 10
h was insufficient to eliminate the Fe-α phase from the alloy microstructure, whereas annealing for 15 and 20
h removed an increasing amount of Fe-α phase, thereby increasing the alloy's corrosion resistance.</description><subject>Corrosion</subject><subject>Electrochemical technique</subject><subject>Pr–Fe–B magnet</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAQhj2ARCn8AaZMbAnnjySuxAIVBaQKKlRmy3Eu4CiJi50i9d_jqJ2Z7k56n5Peh5AbChkFWty1Wdv3fcYAZAYsA8rPyAw4iFTKnF-QyxBaAKBCFjPysf3GxA5Nt8fBYOKaeHy5MdHDgLqLe-KGZIwZ47x3wcbLY7Bh1Ke4TjZ-hUv3-FZtEt117nBFzhvdBbw-zTn5XD1tly_p-v35dfmwTg3ndEzzcrHQuZB1URW0LAGlrCrBSqPzvK6aohLcMNqUyEuqawqCGijqfCGF5KwuNJ-T2-PfnXc_ewyj6m0w2HV6QLcPivOcchbrzwk7Bk1sEDw2audtr_1BUVCTMtWqSZmalClgKjIRuj9CGCv8WvQqGDs5qq1HM6ra2f_wP0zsdj4</recordid><startdate>20080701</startdate><enddate>20080701</enddate><creator>Oliveira, M.C.L.</creator><creator>Takiishi, H.</creator><creator>Faria, R.N.</creator><creator>Costa, I.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20080701</creationdate><title>The influence of ingot annealing on the corrosion resistance of a PrFeCoBNbP alloy</title><author>Oliveira, M.C.L. ; Takiishi, H. ; Faria, R.N. ; Costa, I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-5799a548d6b61770e88bb427ca55dbf6b43c21f7e371ad1041c06d5984832d6a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Corrosion</topic><topic>Electrochemical technique</topic><topic>Pr–Fe–B magnet</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oliveira, M.C.L.</creatorcontrib><creatorcontrib>Takiishi, H.</creatorcontrib><creatorcontrib>Faria, R.N.</creatorcontrib><creatorcontrib>Costa, I.</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oliveira, M.C.L.</au><au>Takiishi, H.</au><au>Faria, R.N.</au><au>Costa, I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of ingot annealing on the corrosion resistance of a PrFeCoBNbP alloy</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2008-07-01</date><risdate>2008</risdate><volume>320</volume><issue>14</issue><spage>e43</spage><epage>e45</epage><pages>e43-e45</pages><issn>0304-8853</issn><abstract>The influence of the annealing time on the corrosion resistance of a Pr–Fe–Co–B–Nb alloy with the addition of 0.1
wt% P was investigated here using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The cast ingot alloys were annealed at 1100
°C for 10, 15 and 20
h. The specimens were immersed for 30 days in naturally aerated 0.02
M Na
2HPO
4 solution at room temperature, during which period the evolution of the electrochemical behavior was assessed using EIS. The results indicated that the corrosion resistance of the Pr
14Fe
balCo
16B
6Nb
0.1P
0.25 alloy was related to the annealing time and, hence, to its microstructure. Annealing at 1100
°C for 10
h was insufficient to eliminate the Fe-α phase from the alloy microstructure, whereas annealing for 15 and 20
h removed an increasing amount of Fe-α phase, thereby increasing the alloy's corrosion resistance.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2008.02.013</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0304-8853 |
| ispartof | Journal of magnetism and magnetic materials, 2008-07, Vol.320 (14), p.e43-e45 |
| issn | 0304-8853 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_33513201 |
| source | ScienceDirect Journals |
| subjects | Corrosion Electrochemical technique Pr–Fe–B magnet |
| title | The influence of ingot annealing on the corrosion resistance of a PrFeCoBNbP alloy |
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