Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner Application
The liner materials in coal fired tube mills are less promising due to lower combination of abrasion wear resistance, hardness and impact toughness properties, thus giving service life of 25,000 to 35,000 hours. In this study, focus was given to develop a high Cr-V cast iron of high abrasion wear re...
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| Language: | English |
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Gruppo Italiano Frattura
2019-07-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/2275/2599 |
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| author | Dhirendra Kumar G. Jayaraman M. Swamy A. H. V. Pavan Antony M. C. Harison |
| author_facet | Dhirendra Kumar G. Jayaraman M. Swamy A. H. V. Pavan Antony M. C. Harison |
| author_sort | Dhirendra Kumar |
| collection | DOAJ |
| description | The liner materials in coal fired tube mills are less promising due to lower combination of abrasion wear resistance, hardness and impact toughness properties, thus giving service life of 25,000 to 35,000 hours. In this study, focus was given to develop a high Cr-V cast iron of high abrasion wear resistance with higher hardness and impact strength for ball tube mill liner application. The developed liner possesses high abrasive wear resistance and impact resistance simultaneously with expected service life of 40,000 to 50,000 hours. This grade was made using induction melting and sand casting method. The casting was heat treated in two stages to achieve higher abrasion wear resistance and mechanical properties. Various tests like chemical analysis, abrasion wear, hardness and impact tests were conducted on the above developed material. Abrasion wear test results show a low wear loss value (2.7 to 4.4 mg/min). Hardness and impact tests show a high combination of hardness (57 to 64 HRC) and impact strength (44 to 57 J/cm2). Prototype tube mill liners were manufactured and tested in a tube mill at 250MW site. Results obtained from site testing are also discussed in this study. |
| format | Article |
| id | doaj-art-0dd3bd732f2446d29528440bca127856 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2019-07-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-0dd3bd732f2446d29528440bca1278562025-01-03T01:02:43ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932019-07-01134950751410.3221/IGF-ESIS.49.4710.3221/IGF-ESIS.49.47Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner ApplicationDhirendra KumarG. JayaramanM. SwamyA. H. V. PavanAntony M. C. HarisonThe liner materials in coal fired tube mills are less promising due to lower combination of abrasion wear resistance, hardness and impact toughness properties, thus giving service life of 25,000 to 35,000 hours. In this study, focus was given to develop a high Cr-V cast iron of high abrasion wear resistance with higher hardness and impact strength for ball tube mill liner application. The developed liner possesses high abrasive wear resistance and impact resistance simultaneously with expected service life of 40,000 to 50,000 hours. This grade was made using induction melting and sand casting method. The casting was heat treated in two stages to achieve higher abrasion wear resistance and mechanical properties. Various tests like chemical analysis, abrasion wear, hardness and impact tests were conducted on the above developed material. Abrasion wear test results show a low wear loss value (2.7 to 4.4 mg/min). Hardness and impact tests show a high combination of hardness (57 to 64 HRC) and impact strength (44 to 57 J/cm2). Prototype tube mill liners were manufactured and tested in a tube mill at 250MW site. Results obtained from site testing are also discussed in this study.https://www.fracturae.com/index.php/fis/article/view/2275/2599High Cr cast ironHigh Cr-V cast ironAbrasion wearHardnessImpact strength |
| spellingShingle | Dhirendra Kumar G. Jayaraman M. Swamy A. H. V. Pavan Antony M. C. Harison Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner Application Fracture and Structural Integrity High Cr cast iron High Cr-V cast iron Abrasion wear Hardness Impact strength |
| title | Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner Application |
| title_full | Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner Application |
| title_fullStr | Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner Application |
| title_full_unstemmed | Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner Application |
| title_short | Optimization of Vanadium Content for Achieving Higher Wear Resistance and Hardness in High Cr-V White Cast Irons for Ball Tube Mill Liner Application |
| title_sort | optimization of vanadium content for achieving higher wear resistance and hardness in high cr v white cast irons for ball tube mill liner application |
| topic | High Cr cast iron High Cr-V cast iron Abrasion wear Hardness Impact strength |
| url | https://www.fracturae.com/index.php/fis/article/view/2275/2599 |
| work_keys_str_mv | AT dhirendrakumar optimizationofvanadiumcontentforachievinghigherwearresistanceandhardnessinhighcrvwhitecastironsforballtubemilllinerapplication AT gjayaraman optimizationofvanadiumcontentforachievinghigherwearresistanceandhardnessinhighcrvwhitecastironsforballtubemilllinerapplication AT mswamy optimizationofvanadiumcontentforachievinghigherwearresistanceandhardnessinhighcrvwhitecastironsforballtubemilllinerapplication AT ahvpavan optimizationofvanadiumcontentforachievinghigherwearresistanceandhardnessinhighcrvwhitecastironsforballtubemilllinerapplication AT antonymcharison optimizationofvanadiumcontentforachievinghigherwearresistanceandhardnessinhighcrvwhitecastironsforballtubemilllinerapplication |