In-flight oxidation of high-alloy steels during plasma spraying
In-flight oxidation of high-alloy steel powder particles sprayed by a water stabilized plasma gun was studied. The particles were collected in liquid nitrogen, which enabled rapid cooling and prevention from further oxidation. Shrouding by two different gases (nitrogen–hydrogen mixture and acetylene...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1999-11, Vol.272 (1), p.199-206 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Volenı́k, K Hanousek, F Chráska, P Ilavský, J Neufuss, K |
| description | In-flight oxidation of high-alloy steel powder particles sprayed by a water stabilized plasma gun was studied. The particles were collected in liquid nitrogen, which enabled rapid cooling and prevention from further oxidation. Shrouding by two different gases (nitrogen–hydrogen mixture and acetylene) was carried out. The influence of both gases on the oxidation reaction was assessed by determining the oxygen content in particles quenched in liquid nitrogen. Acetylene was found to be significantly more effective in decreasing the oxygen content. The main method to study the composition of the oxidation products was Mössbauer spectroscopy. The dominant oxide phase found in the oxidation products was non-stoichiometric chromium-rich FeCr
2O
4. A comparison with previous results shows that if the particles are deposited onto a solid substrate instead of being quenched in liquid nitrogen, this oxide is converted in non-stoichiometric iron-rich FeCr
2O
4 during the relatively slow cooling of the plasma sprayed deposit. |
| doi_str_mv | 10.1016/S0921-5093(99)00478-5 |
| format | Article |
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2O
4. A comparison with previous results shows that if the particles are deposited onto a solid substrate instead of being quenched in liquid nitrogen, this oxide is converted in non-stoichiometric iron-rich FeCr
2O
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2O
4. A comparison with previous results shows that if the particles are deposited onto a solid substrate instead of being quenched in liquid nitrogen, this oxide is converted in non-stoichiometric iron-rich FeCr
2O
4 during the relatively slow cooling of the plasma sprayed deposit.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>High-alloy steels</subject><subject>In-flight oxidation</subject><subject>Metallic coatings</subject><subject>Metals. Metallurgy</subject><subject>Plasma spray</subject><subject>Production techniques</subject><subject>Shrouding</subject><subject>Surface treatment</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLxDAQgIMouK7-BKEHET1UJ0nbNKdFFl-w4MG9h0ma7kaybU264v57uw_06GmYmW8efIRcUrijQIv7d5CMpjlIfiPlLUAmyjQ_IiNaCp5mkhfHZPSLnJKzGD8AgGaQj8jktUlr7xbLPmm_XYW9a5ukrZPlUErR-3aTxN5aH5NqHVyzSDqPcYVJ7AJuhvycnNToo704xDGZPz3Opy_p7O35dfowSw0vRJ_qWoKwmbY009oaXmrIOA5pjSC4ZsM_kJe5ZpnmCGxoM4kUBCIXlFZ8TK73a7vQfq5t7NXKRWO9x8a266iYAF4AowOY70ET2hiDrVUX3ArDRlFQW1tqZ0ttVSgp1c6Wyoe5q8MBjAZ9HbAxLv4NU1GyfItN9thgxH45G1Q0zjbGVi5Y06uqdf8c-gFES33N</recordid><startdate>19991115</startdate><enddate>19991115</enddate><creator>Volenı́k, K</creator><creator>Hanousek, F</creator><creator>Chráska, P</creator><creator>Ilavský, J</creator><creator>Neufuss, K</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19991115</creationdate><title>In-flight oxidation of high-alloy steels during plasma spraying</title><author>Volenı́k, K ; Hanousek, F ; Chráska, P ; Ilavský, J ; Neufuss, K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-bf907e4be14bbec38b043abe1fa073b20000585b24b3a028b029a107aa3711d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>High-alloy steels</topic><topic>In-flight oxidation</topic><topic>Metallic coatings</topic><topic>Metals. Metallurgy</topic><topic>Plasma spray</topic><topic>Production techniques</topic><topic>Shrouding</topic><topic>Surface treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Volenı́k, K</creatorcontrib><creatorcontrib>Hanousek, F</creatorcontrib><creatorcontrib>Chráska, P</creatorcontrib><creatorcontrib>Ilavský, J</creatorcontrib><creatorcontrib>Neufuss, K</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Volenı́k, K</au><au>Hanousek, F</au><au>Chráska, P</au><au>Ilavský, J</au><au>Neufuss, K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In-flight oxidation of high-alloy steels during plasma spraying</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>1999-11-15</date><risdate>1999</risdate><volume>272</volume><issue>1</issue><spage>199</spage><epage>206</epage><pages>199-206</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>In-flight oxidation of high-alloy steel powder particles sprayed by a water stabilized plasma gun was studied. The particles were collected in liquid nitrogen, which enabled rapid cooling and prevention from further oxidation. Shrouding by two different gases (nitrogen–hydrogen mixture and acetylene) was carried out. The influence of both gases on the oxidation reaction was assessed by determining the oxygen content in particles quenched in liquid nitrogen. Acetylene was found to be significantly more effective in decreasing the oxygen content. The main method to study the composition of the oxidation products was Mössbauer spectroscopy. The dominant oxide phase found in the oxidation products was non-stoichiometric chromium-rich FeCr
2O
4. A comparison with previous results shows that if the particles are deposited onto a solid substrate instead of being quenched in liquid nitrogen, this oxide is converted in non-stoichiometric iron-rich FeCr
2O
4 during the relatively slow cooling of the plasma sprayed deposit.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0921-5093(99)00478-5</doi><tpages>8</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 1999-11, Vol.272 (1), p.199-206 |
| issn | 0921-5093 1873-4936 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Exact sciences and technology High-alloy steels In-flight oxidation Metallic coatings Metals. Metallurgy Plasma spray Production techniques Shrouding Surface treatment |
| title | In-flight oxidation of high-alloy steels during plasma spraying |
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