Metallographic Studies into the Structure and Physicomechanical Properties of Coatings Obtained Using Plasma Methods
The results of metallographic studies into the structure of plasma coatings obtained from a mixture of high-chromium alloy cast irons and nickel-chromium alloys are presented. It is established that the structure of these high hardness coatings consists of carbides and chromium borides having a lede...
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| Veröffentlicht in: | Metallurgist (New York) 2021-11, Vol.65 (7-8), p.893-903 |
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| container_title | Metallurgist (New York) |
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| creator | Kravchenko, I. N. Kartsev, S. V. Velichko, S. A. Kuznetsov, Yu. A. Sharaya, O. A. Markov, M. A. Bykova, A. D. |
| description | The results of metallographic studies into the structure of plasma coatings obtained from a mixture of high-chromium alloy cast irons and nickel-chromium alloys are presented. It is established that the structure of these high hardness coatings consists of carbides and chromium borides having a ledeburite-austenite base. When plasma spraying is followed by reflow melting, the structure of reflowed coatings becomes homogeneous and finely dispersed, resembling that of the initial powder. In plasma coatings, the distribution of elements is uniform; however, when self-fluxing coatings melt, they are redistributed. The highest wear resistance was achieved in coatings obtained via plasma spraying followed by the reflow melting of powder compositions PR-Ni70Cr17Si4B4 (23%) + PG-FBYu 1–4 (73%) + Al (4%) and plasma surfacing with the use of powder compositions PG-FBYu 1–4 (70%) + PR-Ni70Cr17Si4B4 (27%) + Ti (3%). |
| doi_str_mv | 10.1007/s11015-021-01226-6 |
| format | Article |
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N.</creatorcontrib><creatorcontrib>Kartsev, S. V.</creatorcontrib><creatorcontrib>Velichko, S. A.</creatorcontrib><creatorcontrib>Kuznetsov, Yu. A.</creatorcontrib><creatorcontrib>Sharaya, O. A.</creatorcontrib><creatorcontrib>Markov, M. A.</creatorcontrib><creatorcontrib>Bykova, A. D.</creatorcontrib><title>Metallographic Studies into the Structure and Physicomechanical Properties of Coatings Obtained Using Plasma Methods</title><title>Metallurgist (New York)</title><addtitle>Metallurgist</addtitle><description>The results of metallographic studies into the structure of plasma coatings obtained from a mixture of high-chromium alloy cast irons and nickel-chromium alloys are presented. It is established that the structure of these high hardness coatings consists of carbides and chromium borides having a ledeburite-austenite base. When plasma spraying is followed by reflow melting, the structure of reflowed coatings becomes homogeneous and finely dispersed, resembling that of the initial powder. In plasma coatings, the distribution of elements is uniform; however, when self-fluxing coatings melt, they are redistributed. The highest wear resistance was achieved in coatings obtained via plasma spraying followed by the reflow melting of powder compositions PR-Ni70Cr17Si4B4 (23%) + PG-FBYu 1–4 (73%) + Al (4%) and plasma surfacing with the use of powder compositions PG-FBYu 1–4 (70%) + PR-Ni70Cr17Si4B4 (27%) + Ti (3%).</description><subject>Alloy cast iron</subject><subject>Analysis</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Chromium</subject><subject>Chromium alloys</subject><subject>Chromium borides</subject><subject>Coatings</subject><subject>Composition</subject><subject>Fluxing</subject><subject>Hardness</subject><subject>Materials Science</subject><subject>Mechanical properties</subject><subject>Metallic Materials</subject><subject>Methods</subject><subject>Nickel alloys</subject><subject>Nickel chromium alloys</subject><subject>Plasma</subject><subject>Plasma spraying</subject><subject>Powders</subject><subject>Protective coatings</subject><subject>Titanium</subject><subject>Wear resistance</subject><issn>0026-0894</issn><issn>1573-8892</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kUtv3CAUhVHUSpmm_QNdIWXt5AI2Nsto1DykVBkpyRpdYzwm8sAU8CL_PiSOlF3FAnE4333oEPKbwQUDaC8TY8CaCjirgHEuK3lCNqxpRdV1in8jG4AiQqfqU_IjpReAgoHakPzXZpznsI94nJyhj3kZnE3U-RxonmwR4mLyEi1FP9Dd9JqcCQdrJvTO4Ex3MRxtzO9MGOk2YHZ-n-hDn9F5O9DnVN50N2M6IC3NpjCkn-T7iHOyvz7vM_J8_edpe1vdP9zcba_uKyNA5QqlHBred2i6VrRCcd7WhnMueqYk9Kq2EhvRCWlQql6hkuW7HwbWIvCaWXFGzte6xxj-LTZl_RKW6EtLzSU0XErZQXFdrK49zlY7P4Yc0ZQz2EPZ1dvRFf1KdnXT1KoWBeArYGJIKdpRH6M7YHzVDPR7HHqNQ5c49EccWhZIrFAqZr-38WuW_1BvNBGNnQ</recordid><startdate>20211101</startdate><enddate>20211101</enddate><creator>Kravchenko, I. 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N.</creatorcontrib><creatorcontrib>Kartsev, S. V.</creatorcontrib><creatorcontrib>Velichko, S. A.</creatorcontrib><creatorcontrib>Kuznetsov, Yu. A.</creatorcontrib><creatorcontrib>Sharaya, O. A.</creatorcontrib><creatorcontrib>Markov, M. A.</creatorcontrib><creatorcontrib>Bykova, A. D.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Metallurgist (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kravchenko, I. N.</au><au>Kartsev, S. V.</au><au>Velichko, S. A.</au><au>Kuznetsov, Yu. A.</au><au>Sharaya, O. A.</au><au>Markov, M. A.</au><au>Bykova, A. D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Metallographic Studies into the Structure and Physicomechanical Properties of Coatings Obtained Using Plasma Methods</atitle><jtitle>Metallurgist (New York)</jtitle><stitle>Metallurgist</stitle><date>2021-11-01</date><risdate>2021</risdate><volume>65</volume><issue>7-8</issue><spage>893</spage><epage>903</epage><pages>893-903</pages><issn>0026-0894</issn><eissn>1573-8892</eissn><abstract>The results of metallographic studies into the structure of plasma coatings obtained from a mixture of high-chromium alloy cast irons and nickel-chromium alloys are presented. It is established that the structure of these high hardness coatings consists of carbides and chromium borides having a ledeburite-austenite base. When plasma spraying is followed by reflow melting, the structure of reflowed coatings becomes homogeneous and finely dispersed, resembling that of the initial powder. In plasma coatings, the distribution of elements is uniform; however, when self-fluxing coatings melt, they are redistributed. The highest wear resistance was achieved in coatings obtained via plasma spraying followed by the reflow melting of powder compositions PR-Ni70Cr17Si4B4 (23%) + PG-FBYu 1–4 (73%) + Al (4%) and plasma surfacing with the use of powder compositions PG-FBYu 1–4 (70%) + PR-Ni70Cr17Si4B4 (27%) + Ti (3%).</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11015-021-01226-6</doi><tpages>11</tpages></addata></record> |
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| subjects | Alloy cast iron Analysis Characterization and Evaluation of Materials Chemistry and Materials Science Chromium Chromium alloys Chromium borides Coatings Composition Fluxing Hardness Materials Science Mechanical properties Metallic Materials Methods Nickel alloys Nickel chromium alloys Plasma Plasma spraying Powders Protective coatings Titanium Wear resistance |
| title | Metallographic Studies into the Structure and Physicomechanical Properties of Coatings Obtained Using Plasma Methods |
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